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Number of Outputs Vin Min Vin Max Output Current Max Phases Sense Resistor Comments Packages Synchronous Vout Min Frequency Frequency Adjust Range Frequency Sync Range Isupply Ishutdown Features Architecture Vout Max Vref Accuracy Over Temp Temp Range Polyphase Topology Monolithic Switch Current Topology 1 Topology 2 Output Current 2 Vout Min 2 Vout Max 2 Topology 3 Output Current 3 Vout Min 3 Vout Max 3 Topology 4 Output Current 4 Design Tools Demo Boards Featured New Date Added Price 1k* Product Category Package Area Package Height Terminal Finish Export Control Auto & Transport
Units V V A # yes/no V kHz mA µA V % yes/no yes/no A A V V A V V A mm² mm yes/no
Selection
(hold Ctrl key to select multiple,
hold Shift key to select range)
LTC3737 2 2.75 9.8 5 2 None Optional Rsense, Output Tracking 4x4 QFN-24,SSOP-24 no 0.6 750 300kHz, 550kHz, 750kHz 250kHz - 850kHz 0.225 9 No Rsense, Tracking, PolyPhase, External Synchronization, Selectable Switching Frequency, PLL, Burst Mode, Power Good Constant Frequency Current Mode 9.8 1.5 E yes Buck no 5 Buck Buck 5 .8 - DC664A no no 2004-04-25 $3.65 (LTC3737EGN) External Power Switch Buck Controllers,Multiple Output Buck 16mm² (4x4 QFN-24),54.2mm² (SSOP-24) 0.75mm (4x4 QFN-24),1.75mm (SSOP-24) Lead,Matte Tin no no
LTC3736-2 2 2.75 9.8 5 2 None LTC3736-2 345mV Vsense Max, 1% Accurate Vref 4x4 QFN-24,SSOP-24 yes 0.6 750 300kHz, 550kHz, 750kHz 250kHz - 850kHz 0.475 9 No Rsense, Tracking, PolyPhase, External Synchronization, PLL, Selectable Switching Frequency, Power Good Constant Frequency Current Mode 9.8 1.5 E yes Buck no 5 Buck Buck 5 .8 LTspice File DC922A no no 2004-03-16 $3.80 (LTC3736EGN-2) External Power Switch Buck Controllers,Multiple Output Buck 16mm² (4x4 QFN-24),54.2mm² (SSOP-24) 0.75mm (4x4 QFN-24),1.75mm (SSOP-24) Lead,Matte Tin no no
LTC3736-1 2 2.75 9.8 5 2 None LTC3736-1 204mV Vsense Max, Spread Spectrum, No Ext. Synchronization 4x4 QFN-24,SSOP-24 yes 0.6 750 300kHz, 500kHz, 750kHz 0.5 9 Tracking, No Rsense, Spread Spectrum, PolyPhase, Selectable Switching Frequency, Power Good Constant Frequency Current Mode 9.8 1.5 E yes Buck no 5 Buck Buck 5 .8 LTspice File DC803A no no 2004-03-16 $4.40 (LTC3736EGN-1) External Power Switch Buck Controllers,Multiple Output Buck 16mm² (4x4 QFN-24),54.2mm² (SSOP-24) 0.75mm (4x4 QFN-24),1.75mm (SSOP-24) Lead,Matte Tin no no
LTC3770 1 4 32 15 1 None Fast No Rsense Step-Down with Margining, Tracking and PLL 5x5 QFN-32,SSOP-28 yes 0.6 Up to 1MHz 1.3 30 No Rsense, Margining, Tracking, External Synchronization, PLL, Power Good Constant On-Time Valley Current Mode 28.8 0.67 E no Buck no 15 - LTspice File DC774A no no 2004-12-21 $3.55 (LTC3770EG) External Power Switch Buck Controllers 25mm² (5x5 QFN-32),86.1mm² (SSOP-28) 0.75mm (5x5 QFN-32),2mm (SSOP-28) Lead,Matte Tin no no
LTC3772 1 2.75 9.8 5 1 None No RSENSE, 100% Duty Cycle, LTC3772 Offers Burst Mode 3x2 DFN-8,SOT-23 no 0.8 550 0.04 8 No Rsense, Burst Mode, 100% Duty Cycle Constant Frequency Current Mode 9.8 1.5 E no Buck no 5 - LTspice File DC836A no no 2005-03-30 $1.91 (LTC3772EDDB) External Power Switch Buck Controllers,Micropower Buck Regulators 6mm² (3x2 DFN-8),8.1mm² (SOT-23) 0.75mm (3x2 DFN-8),1mm (SOT-23) Lead,Matte Tin no no
LTC3801 1 2.5 9.8 5 1 Rsense Low Q Current, 1.5% Accurate Vref SOT-23 no 0.8 550 0.016 6 Burst Mode, 100% Duty Cycle Constant Frequency Current Mode 9.8 1.5 E no Buck no 5 - LTspice Model DC623A no no 2003-06-20 $2.01 (LTC3801ES6) External Power Switch Buck Controllers,Micropower Buck Regulators 8.1mm² (SOT-23) 1mm (SOT-23) Lead,Matte Tin no no
LTC3778 1 4 36 20 1 Rsense, None Wide Operating Range, No RSENSE Step-Down TSSOP-20 yes 0.6 Valley Current Mode 0.9 15 No Rsense Valley Current Mode 32.4 1 E no Buck no 20 - LTspice Model DC389A-A,DC389A-B,DC389A-C no no 2001-09-05 $3.35 (LTC3778EF) External Power Switch Buck Controllers 42.2mm² (TSSOP-20) 1.1mm (TSSOP-20) Lead,Matte Tin no no
LTC3772B 1 2.75 9.8 5 1 None No Rsense, 100% Duty Cycle, LTC3772B Disables Burst Mode 3x2 DFN-8,SOT-23 no 0.6 550 0.2 8 No Rsense, 100% Duty Cycle Constant Frequency Current Mode 9.8 1.5 E no Buck no 5 - LTspice File DC924A no no 2005-03-30 $1.91 (LTC3772BEDDB) External Power Switch Buck Controllers 6mm² (3x2 DFN-8),8.1mm² (SOT-23) 0.75mm (3x2 DFN-8),1mm (SOT-23) Lead,Matte Tin no no
LTC3736 2 2.75 9.8 5 2 None LTC3736 204mV Vsense Max, 1.5% Accurate Vref, Burst Mode 4x4 QFN-24,SSOP-24 yes 0.6 750 300kHz, 550kHz, 750kHz 250kHz - 850kHz 0.3 9 No Rsense, Tracking, PolyPhase, External Synchronization, Selectable Switching Frequency, PLL, Burst Mode, Power Good Constant Frequency Current Mode 9.8 1.5 E yes Buck no 5 Buck Buck 5 .8 LTspice Model DC663A no no 2004-03-16 $3.80 (LTC3736EGN) External Power Switch Buck Controllers,Multiple Output Buck 16mm² (4x4 QFN-24),54.2mm² (SSOP-24) 0.75mm (4x4 QFN-24),1.75mm (SSOP-24) Lead,Matte Tin no no
LTC3731H 1 4 36 60 3, 6, 9, 12 Rsense 3-Phase, 600kHz, Synchronous Buck Controller H Grade 5x5 QFN-32,SSOP-24 yes 0.6 600 250kHz - 600kHz 2.3 50 PolyPhase, Differential Remote Sense, Burst Mode, Phase Shedding, External Synchronization, PLL, Power Good Constant Frequency Current Mode 6 2 H yes Buck no 240 - LTspice Model - no no 2004-01-13 $5.00 (LTC3731HG) Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers 25mm² (5x5 QFN-32),69.7mm² (SSOP-24) 0.75mm (5x5 QFN-32),2mm (SSOP-24) Lead,Matte Tin no yes
LTC3728L 2 4 30 25 2 Rsense Small package, high frequency 5x5 QFN-32,SSOP-28 yes 0.8 550 250kHz - 500kHz 0.45 20 PolyPhase, External Synchronization, Power Good, Burst Mode, Soft Start 7 C,E,I yes Buck no 25 Buck Buck 25 0.8 LTspice Model DC392A-C,DC898A-A,DC898A-B,DC899A no no 2001-07-24 $4.30 (LTC3728LXCUH) External Power Switch Buck Controllers,Multiple Output Buck 25mm² (5x5 QFN-32),61.9mm² (SSOP-28) 0.75mm (5x5 QFN-32),1.75mm (SSOP-28) Lead,Matte Tin no yes
LTC3728 2 4 36 25 2 Rsense Dual Synchronous Controller 5x5 QFN-32,SSOP-28 yes 0.8 550 250kHz - 550kHz 0.47 20 PolyPhase, External Synchronization, Power Good, Burst Mode Constant Frequency Current Mode 5.5 1 E,I yes Buck no 25 Buck Buck 25 .8 LTspice File DC392A-B,DC447A,DC542A no no 2001-07-24 $5.00 (LTC3728EG) External Power Switch Buck Controllers,Multiple Output Buck 25mm² (5x5 QFN-32),86.1mm² (SSOP-28) 0.75mm (5x5 QFN-32),2mm (SSOP-28) Lead,Matte Tin no yes
LTC3727LX-1 4 32 25 High Efficiency, 2-Phase Synchronous Step-Down Switching Regulator 5x5 QFN-32,SSOP-28 yes 0.8 550 250kHz to 550kHz 1 20 PolyPhase, Power Good, PLL, External Synchronization, Burst Mode 14 E yes Buck no 25 25 LTspice Model - no no 2001-11-26 $4.35 (LTC3727LXEG-1) External Power Switch Buck Controllers,Multiple Output Buck 25mm² (5x5 QFN-32),86.1mm² (SSOP-28) 0.75mm (5x5 QFN-32),2mm (SSOP-28) Lead,Matte Tin no no
LTC3728L-1 2 4.5 28 25 Dual, 550kHz, 2-Phase Synchronous Regulator 5x5 QFN-32,SSOP-28 yes 0.8 550 250kHz - 550kHz 0.45 20 PolyPhase, External Synchronization, Power Good, Burst Mode, Soft Start 7 E,I yes Buck no 25 25 LTspice Model - no no 2001-07-24 $4.65 (LTC3728LEGN-1) External Power Switch Buck Controllers,Multiple Output Buck 25mm² (5x5 QFN-32),61.9mm² (SSOP-28) 0.75mm (5x5 QFN-32),1.75mm (SSOP-28) Lead,Matte Tin no yes
LTC3729 1 4 36 40 2, 3, 4, 6, 8, 12 Rsense PolyPhase Operation Up to 12 Phases 5x5 QFN-32,SSOP-28 yes 0.8 550 0.58 20 PolyPhase Constant Frequency Current Mode 5 1 E yes Buck no 40 - LTspice Model DC509B no no 2001-07-24 $5.80 (LTC3729EG) External Power Switch Buck Controllers 25mm² (5x5 QFN-32),86.1mm² (SSOP-28) 0.75mm (5x5 QFN-32),2mm (SSOP-28) Lead,Matte Tin no no
LTC3731 1 4 36 65 3, 6, 9, 12 Rsense 3-Phase, 600kHz, Synchronous Buck Controller 5x5 QFN-32,SSOP-24 yes 0.6 600 250kHz - 600kHz 2.3 50 PolyPhase, Differential Remote Sense, Burst Mode, Phase Shedding, External Synchronization, PLL, Power Good Constant Frequency Current Mode 6 1 C,I yes Buck no 65 - LTspice File DC438A,DC558A,DC561A-A,DC561A-B,DC721A-A no no 2004-01-13 $4.35 (LTC3731CG) External Power Switch Buck Controllers 25mm² (5x5 QFN-32),69.7mm² (SSOP-24) 0.75mm (5x5 QFN-32),2mm (SSOP-24) Lead,Matte Tin no yes
LTC3729L-6 1 4 30 40 2, 3, 4, 6, 8, 12 Rsense PolyPhase Up To 12 Phases, LTC3729L-6 Offers 0.6V Reference, 30Vin Max 5x5 QFN-32 yes 0.6 550 0.47 20 PolyPhase Constant Frequency Current Mode 5 1 E yes Buck no 40 - LTspice Model - no no 2001-07-24 $5.60 (LTC3729LEUH-6) External Power Switch Buck Controllers 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) Lead,Matte Tin no no
LTC3801B 1 2.5 9.8 5 1 Rsense LTC3801B Disables Burst Mode SOT-23 no 0.8 550 0.195 6 100% Duty Cycle Constant Frequency Current Mode 9.8 1.5 E no Buck no 5 - LTspice Model DC623A no no 2003-06-20 $2.01 (LTC3801BES6) External Power Switch Buck Controllers,Micropower Buck Regulators 8.1mm² (SOT-23) 1mm (SOT-23) Lead,Matte Tin no no
LTC3802 2 3 30 25 2 None Dual Tracking Synchronous 2-Phase DC/DC 5x5 QFN-32,SSOP-28 yes 0.6 750 330kHz, 550kHz, 750kHz 330kHz - 750kHz 6.5 100 No Rsense, Tracking, PolyPhase, External Synchronization, PLL, Burst Mode, External Synchronization, PLL, Selectable Switching Frequency, Power Good, Soft Start Constant Frequency Voltage Mode 27 1 E yes Buck no 25 Buck Buck 25 .8 LTspice Model DC653A no no 2004-05-25 $4.80 (LTC3802EGN) External Power Switch Buck Controllers,Multiple Output Buck 25mm² (5x5 QFN-32),61.9mm² (SSOP-28) 0.75mm (5x5 QFN-32),1.75mm (SSOP-28) Lead,Matte Tin no no
LTC3832 1 3 8 20 1 None Low Vin, Adjustable or Fixed 2.5Vout SSOP-16 yes 0.6 500 100kHz - 500kHz 100kHz - 500kHz 0.7 1 No Rsense, Fixed Output, Resistor Set Frequency, External Synchronization Constant Frequency Voltage Mode 7.28 0.83 E no Buck no 20 - LTspice File DC469B no no 2002-12-03 $3.10 (LTC3832EGN) External Power Switch Buck Controllers 30.9mm² (SSOP-16) 1.75mm (SSOP-16) Lead,Matte Tin no no
LTC3830-1 1 3 8 20 1 None LTC3830-1 Replaces SHDN With Soft-Start (SS) Pin SO-8 yes 1.265 500 100kHz - 500kHz 100kHz - 500kHz 0.7 1 No Rsense, Fixed Output, Resistor Set Frequency, External Synchronization Constant Frequency Voltage Mode 7.28 1 E no Buck no 20 - LTspice Model DC469A,DC493A no no 2001-11-26 $3.05 (LTC3830-1ES8) External Power Switch Buck Controllers 31mm² (SO-8) 1.75mm (SO-8) Lead,Matte Tin no no
LT3724 1 4 60 5 1 Rsense Wide Vin, Burst Mode TSSOP-16 no 1.23 200 1.7 9 Burst Mode Constant Frequency Current Mode 36 1.3 E,I,MP no Buck, Boost, Sepic, Inverting no 5 - - LTspice File,LTpowerCAD Model DC736A no no 2005-04-12 $3.10 (LT3724EFE) Extended Temperature (H & MP) Switching Regulators,External Power Switch Boost,External Power Switch Buck Controllers,High Input Voltage Buck,SEPIC Regulators 32.6mm² (TSSOP-16) 1.1mm (TSSOP-16) Lead,Matte Tin no yes
LTC3832-1 1 3 8 20 1 None LTC3832-1 Does Not Offer Current Limit, Frequency Adjust, Shutdown SO-8 yes 0.6 500 100kHz - 500kHz 100kHz - 500kHz 0.7 1 No Rsense, Fixed Output Constant Frequency Voltage Mode 7.28 0.83 E no Buck no 20 - LTspice File DC469B no no 2002-12-03 $2.95 (LTC3832-1ES8) External Power Switch Buck Controllers 31mm² (SO-8) 1.75mm (SO-8) Lead,Matte Tin no no
LTC3835 1 4 36 20 1 Rsense 80μA IQ Step-Down Controller, CLKOUT, EXTVCC, PGOOD Pins 4x5 QFN-20,TSSOP-20 yes 0.8 650 140kHz - 650kHz 0.08 10 Burst Mode, Tracking, External Synchronization, PLL, Power Good Constant Frequency Current Mode 10 1 E,I no Buck no 20 - LTspice File DC967B no no 2006-06-29 $3.55 (LTC3835EFE) External Power Switch Buck Controllers,Micropower Buck Regulators 20mm² (4x5 QFN-20),42.2mm² (TSSOP-20) 0.75mm (4x5 QFN-20),1.2mm (TSSOP-20) Lead,Matte Tin no no
LTC3836 2 2.75 4.5 20 2 None Dual 2-Phase, No RSENSE Low VIN Synchronous Controller 4x5 QFN-28,SSOP-28 yes 0.6 750 300kHz - 750kHz 250kHz - 850kHz 0.45 6.5 No Rsense, PolyPhase, Tracking, External Synchronization, PLL, Resistor Set Frequency Constant Frequency Current Mode 4.365 1.5 E yes Buck no 25 Buck Buck 20 .8 LTspice Model DC1081A,DC1107A no no 2006-10-04 $2.75 (LTC3836EGN) External Power Switch Buck Controllers,Multiple Output Buck 20mm² (4x5 QFN-28),61.9mm² (SSOP-28) 0.75mm (4x5 QFN-28),1.75mm (SSOP-28) Lead,Matte Tin no no
LTC3835-1 1 4 36 20 1 Rsense 80μA IQ Step-Down Controller, LTC3835-1 Offers Smaller Package 5x3 DFN-16,SSOP-16 yes 0.8 650 140kHz - 650kHz 0.08 10 Burst Mode, Tracking, External Synchronization, PLL Constant Frequency Current Mode 10 1 E,I no Buck no 20 - LTspice File DC965A no no 2006-06-29 $3.40 (LTC3835EDHC-1) External Power Switch Buck Controllers,Micropower Buck Regulators 15mm² (5x3 DFN-16),30.9mm² (SSOP-16) 0.75mm (5x3 DFN-16),1.75mm (SSOP-16) Lead,Matte Tin no no
LTC3828 1 4 28 25 2 Rsense Dual, 2-Phase Step-Down Controller with Tracking 5x5 QFN-32,SSOP-28 yes 0.8 550 260kHz - 550kHz 2 20 Tracking, PolyPhase, Power Good, External Synchronization Constant Frequency Current Mode 7 1 E yes Buck no 25 - LTspice Model DC802A,DC884A,DC980A/B no no 2005-05-17 $4.65 (LTC3828EG) External Power Switch Buck Controllers 25mm² (5x5 QFN-32),86.1mm² (SSOP-28) 0.75mm (5x5 QFN-32),2mm (SSOP-28) Lead,Matte Tin no no
LTC3827-1 2 4 36 25 2 Rsense 80uA Iq, LTC3827-1 No Clock Out Pin, One PGOOD SSOP-28 yes 0.8 650 140kHz - 650kHz 0.08 8 PolyPhase, Burst Mode, External Synchronization, PLL, Tracking, Power Good Constant Frequency Current Mode 10 1 E,I yes Buck no 25 Buck Buck 25 0.8 LTspice Model DC868A no no 2005-12-15 $5.00 (LTC3827EG-1) External Power Switch Buck Controllers,Micropower Buck Regulators,Multiple Output Buck 86.1mm² (SSOP-28) 2mm (SSOP-28) Lead,Matte Tin no yes
LTC3809-1 1 2.75 9.8 5 1 None No Rsense, LTC3809-1 Offers Tracking 3x3 DFN-10,MS-10E yes 0.6 550 0.35 9 No Rsense, Tracking, Burst Mode, 100% Duty Cycle Constant Frequency Current Mode 9.8 1.5 E,I no Buck no 5 - LTspice File DC882A no no 2005-08-22 $2.50 (LTC3809EDD-1) External Power Switch Buck Controllers 9mm² (3x3 DFN-10),14.7mm² (MS-10E) 0.75mm (3x3 DFN-10),1.1mm (MS-10E) Lead,Matte Tin no yes
LTC3809 1 2.75 9.8 5 1 None No Rsense, LTC3809 PLL, PGOOD, Spread Spectrum For Low EMI 3x3 DFN-10,MS-10E yes 0.6 750 300kHz, 550kHz, 750kHz 250kHz - 750kHz 0.35 9 No Rsense, Spread Spectrum, External Synchronization, PLL, Selectable Switching Frequency, Burst Mode, Power Good, 100% Duty Cycle Constant Frequency Current Mode 9.8 1.5 E no Buck no 5 - LTspice Model - no no 2005-08-22 $2.50 (LTC3809EDD) External Power Switch Buck Controllers 9mm² (3x3 DFN-10),14.7mm² (MS-10E) 0.75mm (3x3 DFN-10),1.1mm (MS-10E) Lead,Matte Tin no no
LTC3808 1 2.75 9.8 5 1 None Optional Rsense, PLL, Spread Spectrum For Low EMI, Tracking, Power Good 4x3 DFN-14,SSOP-16 yes 0.6 750 300kHz, 550kHz, 750kHz 250kHz - 750kHz 0.35 9 No Rsense, Tracking, Spread Spectrum, Burst Mode, External Synchronization, PLL, Selectable Switching Frequency, Power Good, 100% Duty Cycle Constant Frequency Current Mode 9.8 1.5 E no Buck no 5 - LTspice Model DC769A no no 2005-05-05 $2.60 (LTC3808EGN) External Power Switch Buck Controllers 12mm² (4x3 DFN-14),30.9mm² (SSOP-16) 0.75mm (4x3 DFN-14),1.75mm (SSOP-16) Lead,Matte Tin no no
LTC3822 1 2.75 4.5 20 1 None All N-Channel FETs, No Rsense, LTC3822 Internal Soft Start 3x3 DFN-10,MS-10E yes 0.6 750 300kHz, 550kHz, 750kHz 0.34 7.5 No Rsense, Selectable Switching Frequency Constant Frequency Current Mode 4.455 1 E no Buck no 20 - LTspice Model DC1014A,DC972A no no 2006-10-25 $1.55 (LTC3822EDD) External Power Switch Buck Controllers 9mm² (3x3 DFN-10),14.7mm² (MS-10E) 0.75mm (3x3 DFN-10),1.1mm (MS-10E) Lead,Matte Tin no no
LTC3822-1 1 2.75 4.5 20 1 None LTC3822-1 Selectable Continuous/Pulse Skip/Burst Mode, Tracking, PLL, PGOOD 3x3 DFN-12,SSOP-16 yes 0.6 750 300kHz, 550kHz, 750kHz 250kHz - 750kHz 0.36 7.5 No Rsense, External Synchronization, Tracking, Burst Mode, Power Good Constant Frequency Current Mode 4.45 1 E no Buck no 20 - LTspice File DC1105A no no 2006-10-25 $1.75 (LTC3822EDD-1) External Power Switch Buck Controllers 9mm² (3x3 DFN-12),30.9mm² (SSOP-16) 0.75mm (3x3 DFN-12),1.75mm (SSOP-16) Lead,Matte Tin no no
LTC3827 2 4 36 25 2 Rsense 80uA Iq, LTC3827 Clock Out Pin, Two PGOOD Outputs 5x5 QFN-32 yes 0.8 650 140kHz - 650kHz 0.08 8 PolyPhase, Burst Mode, External Synchronization, PLL, Tracking, Power Good Constant Frequency Current Mode 10 1 E,I yes Buck no 25 Buck Buck 25 .8 LTspice Model - no no 2005-12-15 $5.10 (LTC3827EUH) External Power Switch Buck Controllers,Micropower Buck Regulators,Multiple Output Buck 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) Lead,Matte Tin no yes
LTC3824 1 4 60 5 1 Rsense High Voltage Step-Down With 40uA Quiescent Current MS-10E no 0.8 600 200kHz - 600kHz 200kHz - 600kHz 0.04 25 Burst Mode, Resistor Set Frequency, External Synchronization, 100% Duty Cycle Constant Frequency Current Mode 60 1.5 E,I,H,MP no Buck no 5 - LTspice File DC960A no no 2006-05-26 $1.95 (LTC3824EMSE) Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators 14.7mm² (MS-10E) 1.1mm (MS-10E) Lead,Matte Tin no yes
LTC3727A-1 2 4 36 25 2 Rsense LTC3727A-1 Vout 0.8V to 14V, No Latch Off, 120ns Min On Time SSOP-28 yes 0.8 550 250kHz to 550kHz 0.67 20 PolyPhase, Power Good, PLL, External Synchronization, Burst Mode Constant Frequency Current Mode 14 1 E,I yes Buck no 25 Buck Buck 25 .8 LTspice Model DC457B no no 2001-11-26 $4.85 (LTC3727AEG-1) External Power Switch Buck Controllers,Multiple Output Buck 86.1mm² (SSOP-28) 2mm (SSOP-28) Lead,Matte Tin no yes
LTC3830 1 3 8 20 1 None High Power Step-Down Synchronous Step-Down SO-16,SO-8,SSOP-16 yes 1.265 500 100kHz - 500kHz 100kHz - 500kHz 0.7 1 No Rsense, Fixed Output, Resistor Set Frequency, External Synchronization Constant Frequency Voltage Mode 7.28 1 E no Buck no 20 - LTspice Model DC469A,DC493A no no 2001-11-26 $3.05 (LTC3830ES8) External Power Switch Buck Controllers 30.9mm² (SSOP-16),31mm² (SO-8),62mm² (SO-16) 1.75mm (SSOP-16),1.75mm (SO-8),1.75mm (SO-16) Lead,Matte Tin no no
LTC1735-1 1 3.5 36 20 1 Rsense LTC1735-1 Offers Power Good Flag SO-16,SSOP-16 yes 0.8 300 Up to 500kHz Up to 500kHz 0.45 15 External Synchronization, Resistor Set Frequency, Power Good Constant Frequency Current Mode 7 1 C,I no Buck no 20 - - LTspice Model DC267A no no 1999-02-12 $3.10 (LTC1735CS-1) External Power Switch Buck Controllers 30.9mm² (SSOP-16),62mm² (SO-16) 1.75mm (SSOP-16),1.75mm (SO-16) Lead,Matte Tin no yes
LTC1704 2 3.15 5.5 20 1 Rsense Synchronous Step-Down Controller, LDO Controller SSOP-16 yes 0.8 550 4.5 75 LDO Constant Frequency Current Mode 6 1.5 E no Buck, LDO no 20 Buck LDO 2 0.8 - - DC357A-A,DC357A-B no no 2002-04-01 $4.10 (LTC1704BEGN) Buck Regulator Plus LDO,External Power Switch Buck Controllers 30.9mm² (SSOP-16) 1.75mm (SSOP-16) Lead,Matte Tin no no
LTC1771 1 2.8 20 5 1 Rsense Burst Mode MS-8,SO-8 no 1.23 0.01 2 Burst Mode, 100% Duty Cycle Constant Off-Time Current Mode 18 2 E,I no Buck no 5 - - LTspice Model - no no 2000-02-28 $2.65 (LTC1771ES8) External Power Switch Buck Controllers,Micropower Buck Regulators 14.7mm² (MS-8),31mm² (SO-8) 1.1mm (MS-8),1.75mm (SO-8) Lead,Matte Tin no no
LTC1772 1 2.5 9.8 5 1 Rsense Constant Frequency Current Mode Step-Down DC/DC Controller in SOT-23 SOT-23 no 0.8 550 0.27 8 Burst Mode, 100% Duty Cycle Constant Frequency Current Mode 9.8 2.5 C,E,I,H no Buck no 5 - - LTspice Model DC270A,DC279A-B no no 1999-10-04 $1.81 (LTC1772CS6) Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers 8.1mm² (SOT-23) 1mm (SOT-23) Lead,Matte Tin no yes
LTC1773 1 2.65 8.5 6 1 Rsense 100% Duty Cycle MS-10 yes 0.8 550 Up to 750kHz 0.4 10 Burst Mode, External Synchronization, 100% Duty Cycle Constant Frequency Current Mode 8.5 1.5 E no Buck no 6 - - LTspice Model DC309A,DC431A no no 2000-11-14 $2.50 (LTC1773EMS) External Power Switch Buck Controllers 14.7mm² (MS-10) 1.1mm (MS-10) Lead,Matte Tin no no
LTC1772B 1 2.5 9.8 5 1 Rsense LTC1772B Disables Burst Mode SOT-23 no 0.8 550 0.27 8 100% Duty Cycle Constant Frequency Current Mode 9.8 2.5 E,I no Buck no 5 - - LTspice Model - no no 1999-10-04 $1.91 (LTC1772BES6) External Power Switch Buck Controllers 8.1mm² (SOT-23) 1mm (SOT-23) Lead,Matte Tin no yes
LTC1702A 2 3 7 20 2 None Dual Output Voltage Mode Step-Down Controller SSOP-24 no 0.8 550 2.2 30 No Rsense, PolyPhase Constant Frequency Current Mode 7 1 C,I yes Buck no 20 Buck Buck 20 .8 - LTspice File DC275A,DC473A no no 1999-06-17 $4.75 (LTC1702ACGN) External Power Switch Buck Controllers,Multiple Output Buck 54.2mm² (SSOP-24) 1.75mm (SSOP-24) Lead,Matte Tin no yes
LTC1625 1 3.7 36 10 1 None SO-16,SSOP-16 yes 1.19 150 0.5 15 No Rsense Constant Frequency Current Mode 36 1 C,I no Buck no 10 - - LTspice File DC2008A no no 1998-07-20 $4.55 (LTC1625CS) External Power Switch Buck Controllers 30.9mm² (SSOP-16),62mm² (SO-16) 1.75mm (SSOP-16),1.75mm (SO-16) Lead,Matte Tin no yes
LT3844 1 4 60 5 1 Rsense Wide Input Voltage Range, Burst Mode TSSOP-16 no 1.231 600 100kHz - 500kHz 100kHz - 600kHz 0.12 10 Burst Mode, Resistor Set Frequency, External Synchronization Constant Frequency Current Mode 36 1.3 E,I no Buck, Boost, Inverting, Sepic no 5 - - LTspice File,LTpowerCAD Model DC974A no no 2006-04-12 $3.10 (LT3844EFE) External Power Switch Boost,External Power Switch Buck Controllers,High Input Voltage Buck,Inverting Regulators,SEPIC Regulators 32.6mm² (TSSOP-16) 1.1mm (TSSOP-16) Lead,Matte Tin no yes
LT3800 1 4 60 15 1 Rsense High-Voltage Synchronous Current Mode Step-Down TSSOP-16 yes 1.231 200 3 20 Burst Mode Constant Frequency Current Mode 36 1 E,I no Buck, Inverting no 20 - - LTspice File,LTpowerCAD Model DC720A no no 2005-05-10 $3.10 (LT3800EFE) External Power Switch Buck Controllers,High Input Voltage Buck 32.6mm² (TSSOP-16) 1.1mm (TSSOP-16) Lead,Matte Tin no yes
LTC3727-1 2 4 36 25 2 Rsense LTC3727-1 Vout 0.8V to 14V, No Latch Off, 180ns Min On Time 5x5 QFN-32,SSOP-28 yes 0.8 550 250kHz to 550kHz 0.67 20 PolyPhase, Power Good, PLL, External Synchronization, Burst Mode Constant Frequency Current Mode 14 1 E,I yes Buck no 25 Buck Buck 25 .8 LTspice File - no no 2001-11-26 $4.85 (LTC3727EG-1) External Power Switch Buck Controllers,Multiple Output Buck 25mm² (5x5 QFN-32),86.1mm² (SSOP-28) 0.75mm (5x5 QFN-32),2mm (SSOP-28) Lead,Matte Tin no yes
LTC1622 1 2 9.8 5 1 Rsense Low Vin Step Down Controller MS-8,SO-8 no 0.8 550 0.27 4 100% Duty Cycle Constant Frequency Current Mode 9.8 1.9 C,I no Buck no 5 - - LTspice Model DC232A no no 1999-01-15 $1.85 (LTC1622CS8) External Power Switch Buck Controllers 14.7mm² (MS-8),31mm² (SO-8) 1.1mm (MS-8),1.75mm (SO-8) Lead,Matte Tin no no
LTC1624 1 3.5 36 5 1 Rsense SO-8 N-Channel Switching Regulator Controller SO-8 no 1.19 200 0.5 16 - Constant Frequency Current Mode 34.2 1 C,I no Buck, Boost, Sepic, Inverting, Flyback no 5 - - LTspice File DC164A no no 1999-07-12 $3.50 (LTC1624CS8) External Power Switch Buck Controllers,Inverting Regulators,SEPIC Regulators 31mm² (SO-8) 1.75mm (SO-8) Lead,Matte Tin no yes
LTC1775 1 3.7 36 20 1 None No Rsense SO-16,SSOP-16 yes 1.19 150 150kHz to 225kHz 0.5 15 Burst Mode, No Rsense, External Synchronization Constant Frequency Current Mode 36 1 C,I no Buck no 20 - - LTspice Model DC337A no no 1999-09-29 $4.65 (LTC1775CS) External Power Switch Buck Controllers 30.9mm² (SSOP-16),62mm² (SO-16) 1.75mm (SSOP-16),1.75mm (SO-16) Lead,Matte Tin no no
LTC1735 1 3.5 36 20 1 Rsense SO-16,SSOP-16,TSSOP-20 yes 0.8 300 Up to 500kHz Up to 500kHz 0.45 15 External Synchronization, Resistor Set Frequency, Active Voltage Positioning, Power Good, Soft Start Constant Frequency Current Mode 7 1 C,E,I no Buck no 20 - - LTspice Model DC222A,DC247A no no 1999-02-12 $3.10 (LTC1735CS) External Power Switch Buck Controllers 30.9mm² (SSOP-16),42.2mm² (TSSOP-20),62mm² (SO-16) 1.1mm (TSSOP-20),1.75mm (SO-16),1.75mm (SSOP-16) Lead,Matte Tin no yes
LTC3707-SYNC 2 4.5 28 25 2 Rsense LTC3707-SYNC Offers PLL For External Synchronization SSOP-28 yes 0.8 300 150kHz - 300kHz 0.47 20 Burst Mode, External Synchronization, PolyPhase, Power Good Constant Frequency Current Mode 7 1.5 E,I yes Buck no 25 Buck Buck 25 .8 LTspice Model - no no 2002-06-24 $4.65 (LTC3707EGN-SYNC) External Power Switch Buck Controllers,Multiple Output Buck 61.9mm² (SSOP-28) 1.75mm (SSOP-28) Lead,Matte Tin no yes
LTC3707 2 4.5 28 25 2 Rsense Dual 2-Phase Synchronous Controller SSOP-28 yes 0.8 300 150kHz - 300kHz 0.35 20 Burst Mode, Resistor Set Frequency, PolyPhase, Power Good Constant Frequency Current Mode 7 1.5 E,I yes Buck no 25 Buck Buck 25 .8 LTspice Model DC455A no no 2002-06-24 $4.55 (LTC3707EGN) External Power Switch Buck Controllers,Multiple Output Buck 61.9mm² (SSOP-28) 1.75mm (SSOP-28) Lead,Matte Tin no yes
LTC3703 1 9.3 100 20 1 None LTC3703 100Vin, 9.3V to 15V MOSFET Gate Drive, UV+ 8.7V, UV- 6.2V SSOP-16,SSOP-28 yes 0.8 600 100kHz to 600kHz Up to 600kHz 1.7 25 No Rsense, Resistor Set Frequency, External Synchronization Constant Frequency Current Mode 93 1 E,I,H no Buck, Boost no 20 - LTspice File DC501A no no 2003-12-24 $3.10 (LTC3703EGN) Extended Temperature (H & MP) Switching Regulators,External Power Switch Boost,External Power Switch Buck Controllers,High Input Voltage Buck 30.9mm² (SSOP-16),86.1mm² (SSOP-28) 1.75mm (SSOP-16),2mm (SSOP-28) Lead,Matte Tin no yes
LTC3708 2 4 36 25 2 None Dual Synchronous Buck Controller, Tracking, Fast Transient 5x5 QFN-32 yes 0.6 2.4 250 No Rsense, Tracking, PolyPhase Constant On-Time Valley Current Mode 32.4 1 E yes Buck no 25 Buck Buck 25 .8 LTspice Model - no no 2003-12-11 $4.80 (LTC3708EUH) External Power Switch Buck Controllers,Multiple Output Buck 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) Lead,Matte Tin no no
LTC3709 1 5 36 40 2 None Fast 2-Phase, No Rsense with Tracking/Sequencing 5x5 QFN-32,SSOP-24 yes 0.6 200 2.4 25 No Rsense, Tracking, Sequencing, PolyPhase Constant On-Time Valley Current Mode 32.4 1 E yes Buck no 40 - LTspice Model DC793A no no 2005-01-06 $4.90 (LTC3709EG) External Power Switch Buck Controllers 25mm² (5x5 QFN-32),69.7mm² (SSOP-24) 0.75mm (5x5 QFN-32),2mm (SSOP-24) Lead,Matte Tin no no
LTC3727 2 4 36 25 2 Rsense LTC3727 Vout 0.8V to 14V, Latch Off, 180ns Min On Time SSOP-28 yes 0.8 550 250kHz to 550kHz 0.67 20 PolyPhase, Power Good, PLL, External Synchronization, Burst Mode Constant Frequency Current Mode 14 1 E yes Buck no 25 Buck Buck 25 .8 LTspice Model - no no 2001-11-26 $4.85 (LTC3727EG) External Power Switch Buck Controllers,Multiple Output Buck 86.1mm² (SSOP-28) 2mm (SSOP-28) Lead,Matte Tin no no
LTC3713 1 1.5 36 20 1 None Provides 5V for N-CH MOSFET Gate Drive SSOP-24 yes 0.8 1500 0.9 15 No Rsense, Power Good, Resistor Set Frequency Valley Current Mode 32.4 1 E no Buck no 20 - LTspice Model DC412A no no 2002-01-04 $4.10 (LTC3713EG) External Power Switch Buck Controllers 69.7mm² (SSOP-24) 2mm (SSOP-24) Lead,Matte Tin no no
LTC3701 2 2.5 10 5 2 Rsense Dual, Non-Synchronous Step-Down Controller SSOP-16 no 0.8 750 0.46 9 Burst Mode, PolyPhase, Power Good, 100% Duty Cycle Constant Frequency Current Mode 10 2 E yes Buck no 5 Buck Buck 5 .8 LTspice Model DC424A no no 2002-01-11 $3.40 (LTC3701EGN) External Power Switch Buck Controllers,Multiple Output Buck 30.9mm² (SSOP-16) 1.75mm (SSOP-16) Lead,Matte Tin no no
LTC3703-5 1 9.3 60 20 1 None LTC3703 60Vin, 4.5V to 15V MOSFET Gate Drive, UV+ 3.7V, UV- 3.1V SSOP-16,SSOP-28 yes 0.8 600 100kHz to 600kHz Up to 600kHz 1.7 25 No Rsense, Resistor Set Frequency, External Synchronization Constant Frequency Current Mode 55.8 1 E,I no Buck, Boost no 20 - LTspice File - no no 2003-12-24 $3.10 (LTC3703EGN-5) External Power Switch Boost,External Power Switch Buck Controllers,High Input Voltage Buck 30.9mm² (SSOP-16),86.1mm² (SSOP-28) 1.75mm (SSOP-16),2mm (SSOP-28) Lead,Matte Tin no yes
LTC1876 3 3.5 36 25 2 Rsense Dual Synchronous Buck And One Boost Controller SSOP-36 yes 0.8 1200 0.35 20 PolyPhase Constant Frequency Current Mode 7 1 E yes Buck, Boost no 25 Buck Boost 25 .8 34 Buck - DC324A,DC386A no no 2000-10-30 $5.95 (LTC1876EG) External Power Switch Buck Controllers,Multiple Output Buck,Multitopology DC/DC 163.9mm² (SSOP-36) 2.64mm (SSOP-36) Lead,Matte Tin no no
LTC1874 2 2.5 9.8 20 1 Rsense Dual Constant Frequency Current Mode Step-Down SSOP-16 no 0.8 550 0.27 8 100% Duty Cycle, Burst Mode Constant Frequency Current Mode 9.8 2.5 E no Buck no 20 Buck Buck 20 .8 - LTspice Model - no no 2000-07-28 $3.30 (LTC1874EGN) External Power Switch Buck Controllers,Multiple Output Buck 30.9mm² (SSOP-16) 1.75mm (SSOP-16) Lead,Matte Tin no no
LTC3700 2 2.65 9.8 5 1 Rsense Buck Controller with LDO MS-10 no 0.8 550 0.21 10 LDO, Burst Mode, 100% Duty Cycle Constant Frequency Current Mode 9.8 3.75 E no Buck, LDO no 10 Buck LDO 0.15 2.8 LTspice Model DC463A no no 2002-05-21 $2.35 (LTC3700EMS) Buck Regulator Plus LDO,External Power Switch Buck Controllers 14.7mm² (MS-10) 1.1mm (MS-10) Lead,Matte Tin no no
LTC1778 1 4 36 20 Power Good Output Voltage Monitor (LTC1778) SSOP-16 yes 0.8 0.9 15 No Rsense, Power Good, Soft Start Valley Current Mode 32.4 1 E,I no Buck no 20 Buck LTspice File DC378A,DC385A no no 2001-02-25 $2.70 (LTC1778EGN) External Power Switch Buck Controllers 30.9mm² (SSOP-16) 1.75mm (SSOP-16) Lead,Matte Tin no yes
LTC3877 (dual output) 2 4.5 38 30 2, 3, 4, 6, 8, 12 Sub-Milliohm DCR, Rsense, DCR Dual Phase Step-Down Synchronous Controller with VID Output Voltage Programming and Low Value DCR Sensing 7x7 QFN-44 yes 0.6 1000 250kHz - 1MHz 250kHz - 1MHz 7.3 33 VID Voltage Programming, Differential Remote Sense, PolyPhase, External Synchronization, Power Good, Resistor Set Frequency Constant Frequency Current Mode 5 1 E,I yes Buck no 30 Buck Buck 30 0.6 5 - DC2229A-A,DC2229A-B no yes 2015-07-27 $3.94 (LTC3877EUK) Digitally Programmable Regulators,External Power Switch Buck Controllers,Multiple Output Buck 49mm² (7x7 QFN-44) 0.75mm (7x7 QFN-44) Matte Tin no no
LTC3875 (single output) 1 4.5 38 60 2, 3, 4, 6, 12 Rsense, DCR, Sub-Milliohm DCR Dual, 2-Phase, Low Value DCR Sensing and Temp Comp 6x6 QFN-40 yes 0.6 720 250kHz - 720kHz 250kHz - 720kHz 7 40 Resistor Set Frequency, External Synchronization, Differential Remote Sense, Sub-Milliohm DCR Current Sense, Tracking, Power Good Constant Frequency Current Mode 5 0.75 E,I yes Buck no 60 Buck 0.6 LTspice File,LTpowerCAD File DC2000A,DC2055A,DC2142A,DC2225A no no 2013-12-20 $3.47 (LTC3875EUJ) External Power Switch Buck Controllers,Multiple Output Buck 36mm² (6x6 QFN-40) 0.75mm (6x6 QFN-40) Matte Tin no yes
LTC3865 2 4.5 38 25 2 Rsense, DCR Pin Selectable Outputs, LTC3865 Adjustable Current Limit 5x5 QFN-32,TSSOP-38 yes 0.6 770 250kHz - 770kHz 250kHz - 770kHz 3 30 Pin Selectable Output Voltage, PolyPhase, DCR Current Sense, External Synchronization, Resistor Set Frequency, Tracking, Power Good Constant Frequency Current Mode 5 1 E,I yes Buck no 25 Buck Buck 25 0.6 LTspice File DC1479A,DC1480A no no 2010-02-05 $2.65 (LTC3865EUH) External Power Switch Buck Controllers,Multiple Output Buck 25mm² (5x5 QFN-32),62.7mm² (TSSOP-38) 0.75mm (5x5 QFN-32),1.2mm (TSSOP-38) Matte Tin no yes
LTC3865-1 2 4.5 38 25 2 Rsense, DCR Pin Selectable Outputs, LTC3865 Two PGOOD, No Adjustable Current Limit 5x5 QFN-32 yes 0.6 770 250kHz - 770kHz 250kHz - 770kHz 3 30 Pin Selectable Output Voltage, PolyPhase, DCR Current Sense, External Synchronization, Resistor Set Frequency, Tracking, Power Good Constant Frequency Current Mode 5 1 E,I yes Buck no 25 Buck Buck 25 0.6 LTspice File DC1479A,DC1480A no no 2010-02-05 $2.65 (LTC3865EUH-1) External Power Switch Buck Controllers,Multiple Output Buck 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) Matte Tin no yes
LTC3877 (single output) 1 4.5 38 60 2, 3, 4, 6, 8, 12 Sub-Milliohm DCR, Rsense, DCR Dual Phase Step-Down Synchronous Controller with VID Output Voltage Programming and Low Value DCR Sensing 7x7 QFN-44 yes 0.6 1000 250kHz - 1MHz 250kHz - 1MHz 7.3 33 VID Voltage Programming, Differential Remote Sense, PolyPhase, External Synchronization, Power Good, Resistor Set Frequency Constant Frequency Current Mode 5 1 E,I yes Buck no 60 Buck 0.6 5 - DC2229A-A,DC2229A-B no yes 2015-07-27 $3.94 (LTC3877EUK) Digitally Programmable Regulators,External Power Switch Buck Controllers,Multiple Output Buck 49mm² (7x7 QFN-44) 0.75mm (7x7 QFN-44) Matte Tin no no
LTC3880 (single output) 1 4.5 24 60 2, 3, 4, 6 Rsense, DCR Dual PolyPhase, Power System Management, LTC3880-1 external 5V supply 6x6 QFN-40 yes 0.5 1000 250kHz - 1MHz 250kHz - 1MHz 20 Burst Mode, Differential Remote Sense, PolyPhase, PMBus, I2C Control, EEPROM, ADC, DCR Current Sense, Sequencing, Margining, Tracking, External Synchronization Constant Frequency Current Mode 5.5 0.5 E,I yes Buck no 60 Buck LTspice File,LTpowerCAD File,LTpowerPlay ,Linduino File DC1590B-B,DC1590B-A,DC1753A-A,DC1709A,DC1962C,DC2052A,DC1740A-A,DC1740A-B,DC1962C-KIT ,DC2088A,DC2089A-A,DC2089A-B,DC1753B-A,DC1753B-B yes no 2011-01-20 $5.35 (LTC3880EUJ-1) Digital Power System Management,Digitally Programmable Regulators,External Power Switch Buck Controllers,Multiple Output Buck 36mm² (6x6 QFN-40) 0.75mm (6x6 QFN-40) Matte Tin no yes
LTC3882 (dual output) 2 3 13.2 40 2, 3, 4, 6, 8 Rsense, DCR Dual Output PolyPhase Voltage Mode Step-Down with PSM 6x6 QFN-40 yes 0.5 1250 250kHz - 1.25MHz 250kHz - 1.25MHz 32 Burst Mode, Differential Remote Sense, PolyPhase, PMBus, I2C Control, EEPROM, ADC, DCR Current Sense, Sequencing, Margining, Tracking, External Synchronization Constant Frequency Voltage Mode 5.25 0.5 E,I yes Buck no 40 Buck Buck 40 0.5 5.25 LTspice Model,LTpowerCAD File,Linduino File DC1936A ,DC2174A-A ,DC2174A-B,DC2252A-A,DC2291A no no 2014-07-29 $5.35 (LTC3882EUJ) Digital Power System Management,Digitally Programmable Regulators,External Power Switch Buck Controllers,Multiple Output Buck 36mm² (6x6 QFN-40) 0.75mm (6x6 QFN-40) Matte Tin no no
LTC3880 (dual output) 2 4.5 24 30 2, 3, 4, 6 Rsense, DCR Dual PolyPhase, Power System Management, LTC3880-1 external 5V supply 6x6 QFN-40 yes 0.5 1000 250kHz - 1MHz 250kHz - 1MHz 20 Burst Mode, Differential Remote Sense, PolyPhase, PMBus, I2C Control, EEPROM, ADC, DCR Current Sense, Sequencing, Margining, Tracking, External Synchronization Constant Frequency Current Mode 5.5 0.5 E,I yes Buck no 30 Buck Buck 30 LTspice File,LTpowerCAD File,LTpowerPlay ,Linduino File DC1590B-B,DC1590B-A,DC1753A-A,DC1709A,DC1962C,DC2052A,DC1740A-A,DC1740A-B,DC1962C-KIT ,DC2088A,DC2089A-A,DC2089A-B,DC1753B-A,DC1753B-B yes no 2011-01-20 $5.35 (LTC3880EUJ-1) Digital Power System Management,Digitally Programmable Regulators,External Power Switch Buck Controllers,Multiple Output Buck 36mm² (6x6 QFN-40) 0.75mm (6x6 QFN-40) Matte Tin no yes
LTC3879 1 4 38 25 1 None Fast, Wide Operating Range No RSENSE Step-Down Controller 3x3 QFN-16,MS-16E yes 0.6 2000 Up to 2MHz 1.35 18 No Rsense, Tracking, Power Good, Resistor Set Frequency Constant On-Time Valley Current Mode 34.2 1 E,I no Buck no 25 - LTspice File DC1289A,DC1345A no no 2009-03-10 $1.76 (LTC3879EMSE) External Power Switch Buck Controllers 9mm² (3x3 QFN-16),19.8mm² (MS-16E) 0.75mm (3x3 QFN-16),1.1mm (MS-16E) Matte Tin no no
LTC3878 1 4 38 25 1 None Fast, Wide Operating Range No Rsense Step-Down Controller SSOP-16 yes 0.8 2000 Up to 2MHz 1.5 18 Power Good, Resistor Set Frequency Constant On-Time Valley Current Mode 34.2 1 E,I no Buck no 25 - LTspice File DC1292A no no 2009-01-19 $1.71 (LTC3878EGN) External Power Switch Buck Controllers 30.9mm² (SSOP-16) 1.75mm (SSOP-16) Matte Tin no no
LTC3875 (dual output) 2 4.5 38 30 2, 3, 4, 6, 12 Rsense, DCR, Sub-Milliohm DCR Dual, 2-Phase, Low Value DCR Sensing and Temp Comp 6x6 QFN-40 yes 0.6 720 250kHz - 720kHz 250kHz - 720kHz 7 40 Resistor Set Frequency, External Synchronization, Differential Remote Sense, Sub-Milliohm DCR Current Sense, Tracking, Power Good Constant Frequency Current Mode 5 0.75 E,I yes Buck no 30 Buck Buck 30 0.6 LTspice File,LTpowerCAD File DC2000A,DC2055A,DC2142A,DC2225A no no 2013-12-20 $3.47 (LTC3875EUJ) External Power Switch Buck Controllers,Multiple Output Buck 36mm² (6x6 QFN-40) 0.75mm (6x6 QFN-40) Matte Tin no yes
LTC3874 1 4.5 38 25 2, 3, 4, 6, 12 DCR, Sub-Milliohm DCR Slave Controller with Sub-Milliohm DCR Sensing 4x5 QFN-28 yes 0.8 1000 250kHz - 1MHz 4.6 1.8 Sub-Milliohm DCR Current Sense, External Synchronization, PolyPhase Constant Frequency Current Mode 5.5 E,I yes Buck no 25 - LTspice File,LTpowerCAD File DC2142A,DC2229A-B,DC2084A yes no 2013-11-27 $2.47 (LTC3874EUFD) Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers 20mm² (4x5 QFN-28) 0.75mm (4x5 QFN-28) Matte Tin no yes
LTC3869 (dual output) 2 4 38 30 2 Rsense, DCR Dual, 2-Phase Synchronous Step-Down Controller 4x4 QFN-28,4x5 QFN-28,SSOP-28 yes 0.6 780 250kHz - 780kHz 250kHz - 780kHz 3 30 PolyPhase, DCR Current Sense, Resistor Set Frequency, External Synchronization, Tracking, Power Good Constant Frequency Current Mode 12.5 0.75 E,I yes Buck no 30 Buck Buck 30 0.6 LTspice File,LTpowerCAD File DC1798A-A,DC1798A-B,DC1807A-A,DC1807A-B yes no 2011-02-07 $2.65 (LTC3869EUF) External Power Switch Buck Controllers,Multiple Output Buck 16mm² (4x4 QFN-28),20mm² (4x5 QFN-28),61.9mm² (SSOP-28) 0.75mm (4x4 QFN-28),0.75mm (4x5 QFN-28),1.75mm (SSOP-28) Matte Tin no yes
LTC3868-1 2 4 24 25 2 Rsense, DCR 300μA IQ, Dual 2-Phase Synch Buck, LTC3868-1 Fixed Current Limit, One PGOOD 4x5 QFN-28,SSOP-28 yes 0.8 850 50kHz - 900kHz 75kHz - 850kHz 0.17 0.01 Burst Mode, PolyPhase, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power Good Constant Frequency Current Mode 14 1.5 E,I yes Buck no 25 Buck Buck 25 .8 LTspice Model,LTpowerCAD Model - no no 2009-07-28 $2.59 (LTC3868EGN-1) External Power Switch Buck Controllers,Micropower Buck Regulators,Multiple Output Buck 20mm² (4x5 QFN-28),61.9mm² (SSOP-28) 0.75mm (4x5 QFN-28),1.75mm (SSOP-28) Matte Tin no no
LTC3868 2 4 24 25 2 Rsense, DCR 300μA IQ, Dual 2-Phase Sync Buck, LTC3868 Adj Current Limit, CLKOUT, Two PGOOD 5x5 QFN-32 yes 0.8 850 50kHz - 900kHz 75kHz - 850kHz 0.17 8 Burst Mode, PolyPhase, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power Good Constant Frequency Current Mode 14 1.5 E,I yes Buck no 25 Buck Buck 25 .8 LTspice Model,LTpowerCAD Model - no no 2009-07-28 $2.71 (LTC3868EUH) External Power Switch Buck Controllers,Micropower Buck Regulators,Multiple Output Buck 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) Matte Tin no no
LTC3882 (single output) 1 3 13.2 80 2, 3, 4, 6, 8 Rsense, DCR Dual Output PolyPhase Voltage Mode Step-Down with PSM 6x6 QFN-40 yes 0.5 1250 250kHz - 1.25MHz 250kHz - 1.25MHz 32 Burst Mode, Differential Remote Sense, PolyPhase, PMBus, I2C Control, EEPROM, ADC, DCR Current Sense, Sequencing, Margining, Tracking, External Synchronization Constant Frequency Voltage Mode 5.25 0.5 E,I yes Buck no 80 Buck 0.5 5.25 LTspice Model,LTpowerCAD File,Linduino File DC1936A ,DC2174A-A ,DC2174A-B,DC2252A-A,DC2291A no no 2014-07-29 $5.35 (LTC3882EUJ) Digital Power System Management,Digitally Programmable Regulators,External Power Switch Buck Controllers,Multiple Output Buck 36mm² (6x6 QFN-40) 0.75mm (6x6 QFN-40) Matte Tin no no
LTC3869 (single output) 1 4 38 60 2 Rsense, DCR Dual, 2-Phase Synchronous Step-Down Controller 4x4 QFN-28,4x5 QFN-28,SSOP-28 yes 0.6 780 250kHz - 780kHz 250kHz - 780kHz 3 30 PolyPhase, DCR Current Sense, Resistor Set Frequency, External Synchronization, Tracking, Power Good Constant Frequency Current Mode 12.5 0.75 E,I yes Buck no 60 Buck 0.6 LTspice File,LTpowerCAD File DC1798A-A,DC1798A-B,DC1807A-A,DC1807A-B yes no 2011-02-07 $2.65 (LTC3869EUF) External Power Switch Buck Controllers,Multiple Output Buck 16mm² (4x4 QFN-28),20mm² (4x5 QFN-28),61.9mm² (SSOP-28) 0.75mm (4x4 QFN-28),0.75mm (4x5 QFN-28),1.75mm (SSOP-28) Matte Tin no yes
LTC3870 2 4.5 60 20 2 Rsense, DCR Slave Controller for LTC3880/LTC3883 with PSM 4x5 QFN-28 yes 0.5 1000 100kHz - 1MHz 100kHz - 1MHz 1.1 1100 PolyPhase, External Synchronization, Resistor Set Frequency Constant Frequency Current Mode 14 E,I yes Buck no 20 Buck Buck 20 0.5 14 LTspice Model,LTpowerCAD File DC2089A-A,DC2089A-B,DC2155A-B yes no 2014-03-03 $2.35 (LTC3870EUFD) Digital Power System Management,External Power Switch Buck Controllers,High Input Voltage Buck,Multiple Output Buck 20mm² (4x5 QFN-28) 0.75mm (4x5 QFN-28) Matte Tin no no
LTC3867 1 4 38 25 1 Rsense, DCR Differential Remote Sense and Nonlinear Control 4x4 QFN-24 yes 0.6 1200 200kHz - 1.2MHz 200kHz - 1.2MHz 3.5 30 External Synchronization, Resistor Set Frequency, DCR Current Sense, Power Good, Tracking, Nonlinear Control Constant Frequency Current Mode 14 1 E,I no Buck no 25 - LTspice Model,LTpowerCAD File DC1771A,DC1928A no no 2011-07-26 $2.65 (LTC3867EUF) External Power Switch Buck Controllers 16mm² (4x4 QFN-24) 0.75mm (4x4 QFN-24) Matte Tin no no
LTC3871 1 1.2 100 30 12 Rsense, DCR Bidirectional PolyPhase Synchronous Buck or Boost Controller 7x7 LQFP-48 yes 1.2 500 50kHz to 500kHz 60kHz to 460kHz 8 140 Bidirectional, Output Current Monitor, External Synchronization, Resistor Set Frequency, PolyPhase Constant Frequency Current Mode 100 1 E,I,H yes Buck, Boost no 30 Buck, Boost LTspice Model,LTpowerCAD Model DC2348A-A,DC2348A-B yes yes 2016-09-01 $5.40 (LTC3871ELXE) Extended Temperature (H & MP) Switching Regulators,External Power Switch Boost,External Power Switch Buck Controllers 81mm² (7x7 LQFP-48) 1.6mm (7x7 LQFP-48) Matte Tin no yes
LTC3870-1 2 4.5 60 20 2 Rsense, DCR PolyPhase Step-Down Slave Controller for Digital Power System Management 4x4 QFN-24 yes 0.5 1000 100kHz - 1MHz 100kHz - 1MHz 1.1 PolyPhase, External Synchronization, Resistor Set Frequency Constant Frequency Current Mode 14 0.5 E,I Buck no 20 Buck Buck 20 0.5 14 LTspice Model DC2454A no yes 2015-11-10 $2.35 (LTC3870EUF-1) Digital Power System Management,External Power Switch Buck Controllers,High Input Voltage Buck,Multiple Output Buck 16mm² (4x4 QFN-24) 0.75mm (4x4 QFN-24) Matte Tin no no
LTC3864 1 3.5 60 5 1 Rsense 60V Low IQ Step-Down DC/DC Controller with 100% Duty Cycle 4x3 DFN-12,MS-12E no 0.8 850 50kHz - 850kHz 75kHz - 750kHz 0.04 7 100% Duty Cycle, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good Constant Frequency Current Mode 60 1 E,I,H,MP no Buck no 5 - LTspice File,LTpowerCAD File DC1722A,DC2434A yes no 2012-10-23 $2.06 (LTC3864EDE) Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators 12mm² (4x3 DFN-12),19.8mm² (MS-12E) 0.75mm (4x3 DFN-12),1.1mm (MS-12E) Matte Tin no yes
LTC3866 1 4.5 38 30 1 Rsense, DCR, Sub-Milliohm DCR Sub Milliohm DCR Sensing 4x4 QFN-24,TSSOP-24 yes 0.6 770 250kHz - 770kHz 250kHz - 770kHz 3.2 30 Resistor Set Frequency, External Synchronization, Differential Remote Sense, Sub-Milliohm DCR Current Sense, Tracking, Power Good Constant Frequency Current Mode 3.5 0.75 E,I no Buck no 30 - LTspice File,LTpowerCAD File DC1829A yes no 2012-01-26 $2.71 (LTC3866EUF) External Power Switch Buck Controllers 16mm² (4x4 QFN-24),50.6mm² (TSSOP-24) 0.75mm (4x4 QFN-24),1.2mm (TSSOP-24) Matte Tin no no
LTC3890-1 2 4 60 15 2 Rsense, DCR LTC3890-1 No Multi-Phase, Current Limit Foldback, Forced Continuous SSOP-28 yes 0.8 900 50kHz - 900kHz 75kHz - 850kHz 0.06 14 Burst Mode, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power Good, Tracking, PolyPhase Constant Frequency Current Mode 24 1 E,I,H,MP yes Buck no 15 Buck Buck 15 0.8 LTspice File,LTpowerCAD File DC1244A,DC2299A-B no no 2010-02-25 $4.47 (LTC3890EGN-1) Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators,Multiple Output Buck 61.9mm² (SSOP-28) 1.75mm (SSOP-28) Matte Tin no yes
LTC3892-1 2 4.5 60 25 2 Rsense, DCR 60V Low IQ, Dual, 2-Phase Synch Buck Controller, Fixed ILIM TSSOP-28 yes 0.8 900 50kHz - 900kHz 75kHz - 850kHz 0.034 3.6 Burst Mode, PolyPhase, Resistor Set Frequency, External Synchronization, Tracking Constant Frequency Current Mode 59.4 1.5 E,I,H,MP yes Buck no 25 Buck Buck 25 0.8 59.4 LTspice File,LTpowerCAD Model DC1998A,DC2190A-A,DC2190A-B,DC2493A no yes 2015-04-01 $4.82 (LTC3892EFE-1) Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators,Multiple Output Buck 62.7mm² (TSSOP-28) 1.2mm (TSSOP-28) Matte Tin no yes
LTC3892 (single output) 1 4.5 60 30 2 Rsense, DCR 60V Low IQ, Dual, 2-Phase Synch Buck Controller, PGOOD, Select ILIM 5x5 QFN-32 yes 0.8 900 50kHz - 900kHz 75kHz - 850kHz 0.034 3.6 Burst Mode, PolyPhase, Resistor Set Frequency, External Synchronization, Tracking, Power Good Constant Frequency Current Mode 59.4 1.5 E,I,H,MP yes Buck no 30 Buck 0.8 59.4 LTspice File,LTpowerCAD Model DC1998A,DC2190A-A,DC2190A-B,DC2493A no yes 2015-04-01 $4.94 (LTC3892EUH) Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators,Multiple Output Buck 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) Matte Tin no yes
LTC3892 (dual output) 2 4.5 60 15 2 Rsense, DCR 60V Low IQ, Dual, 2-Phase Synch Buck Controller, PGOOD, Select ILIM 5x5 QFN-32 yes 0.8 900 50kHz - 900kHz 75kHz - 850kHz 0.034 3.6 Burst Mode, PolyPhase, Resistor Set Frequency, External Synchronization, Tracking, Power Good Constant Frequency Current Mode 59.4 1.5 E,I,H,MP yes Buck no 15 Buck Buck 15 0.8 59.4 LTspice File,LTpowerCAD Model DC1998A,DC2190A-A,DC2190A-B,DC2493A no yes 2015-04-01 $4.94 (LTC3892EUH) Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators,Multiple Output Buck 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) Matte Tin no yes
LTC3891 1 4 60 15 1 Rsense, DCR 50μA IQ, 60V Synchronous Step-Down Controller 3x4 QFN-20,TSSOP-20 yes 0.8 900 50kHz - 900kHz 75kHz - 750kHz 0.05 14 DCR Current Sense, Resistor Set Frequency, External Synchronization, Burst Mode, Power Good Constant Frequency Current Mode 24 1 E,I,H,MP no Buck no 15 - LTspice File,LTpowerCAD File DC1940A,DC1695B no no 2010-10-15 $3.47 (LTC3891EUDC) Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators 12mm² (3x4 QFN-20),42.2mm² (TSSOP-20) 0.75mm (3x4 QFN-20),1.2mm (TSSOP-20) Matte Tin no yes
LTC3892-2 2 4.5 60 25 2 Rsense, DCR 60V Low IQ, Dual, 2-Phase Synch Buck Controller, PGOOD, Select ILIM, Pulse Skip 5x5 QFN-32 yes 0.8 900 50kHz - 900kHz 75kHz - 850kHz 0.034 3.6 Burst Mode, PolyPhase, Resistor Set Frequency, External Synchronization, Tracking Constant Frequency Current Mode 59.4 1.5 E,I,H,MP yes Buck no 25 Buck Buck 25 0.8 59.4 LTspice File,LTpowerCAD Model DC1998A,DC2190A-A,DC2190A-B,DC2493A no yes 2015-04-01 $4.94 (LTC3892EUH-2) Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators,Multiple Output Buck 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) Matte Tin no yes
LTC3895 1 4 140 10 1 Rsense, DCR 150V Low IQ, Synchronous Step-Down DC/DC Controller TSSOP-38 yes 0.8 900 50kHz to 900kHz 75kHz to 850kHz 0.04 10 Burst Mode, 100% Duty Cycle, Resistor Set Frequency, External Synchronization, Power Good Constant Frequency Current Mode 60 1.5 E,I,H no Buck no 25 Buck LTspice Model,LTpowerCAD Model DC2117A yes yes 2016-03-23 $4.70 (LTC3895EFE) Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators 62.7mm² (TSSOP-38) 1.2mm (TSSOP-38) Matte Tin no yes
LTC7851 4 3 5.5 30 4 Rsense, DCR Quad Multiphase Step-Down Voltage Mode, /-1 Lower Current Sense Amp Gain 5x9 QFN-58 yes 0.6 2250 250kHz - 2.25MHz 250kHz - 2.25MHz 60 100 PolyPhase, External Synchronization, Resistor Set Frequency, Differential Remote Sense, DCR Current Sense Constant Frequency Voltage Mode 5 0.75 E,I yes Buck no 30 Buck Buck 30 0.6 5 Buck 30 0.6 5 Buck 30 LTpowerCAD Model DC2380A-A,DC2380A-B,DC2380A-C no yes 2016-01-25 $4.27 (LTC7851EUHH-1) External Power Switch Buck Controllers,Multiple Output Buck 45mm² (5x9 QFN-58) 0.75mm (5x9 QFN-58) Matte Tin no no
LTC7813 2 2.2 60 20 1 Rsense, DCR Low IQ, 60V Synchronous Boost+Buck Controller 5x5 QFN-32 yes 0.8 850 115kHz - 835kHz 75kHz - 850kHz 0.034 3.6 Burst Mode, External Synchronization, Resistor Set Frequency, Tracking Constant Frequency Current Mode 60 1.5 E,I,H,MP no Boost, Buck no 25 Boost Buck 20 LTspice Model,LTpowerCAD Model DC2435A-A,DC2435A-B,DC2435A-C no yes 2016-03-16 $4.82 (LTC7813EUH) Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,External Power Switch Buck-Boost,High Input Voltage Buck,Micropower Buck Regulators,Multitopology DC/DC 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) Matte Tin no yes
LTC7812 2 2.5 38 20 Rsense, DCR Low IQ, 38V Synchronous Boost+Buck Controller 5x5 QFN-32 yes 0.8 850 115kHz - 835kHz 75kHz - 850kHz 0.033 10 Burst Mode, External Synchronization, Resistor Set Frequency, Tracking Constant Frequency Current Mode 60 1.5 E,I,H no Boost, Buck no 25 Buck Boost 20 24 LTspice Model,LTpowerCAD File DC2422A-A,DC2422A-B,DC2422A-C no yes 2015-10-08 $4.00 (LTC7812EUH) Extended Temperature (H & MP) Switching Regulators,External Power Switch Boost,External Power Switch Buck Controllers,External Power Switch Buck-Boost,Micropower Buck Regulators,Multitopology DC/DC 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) Matte Tin no yes
LTC3899 3 4.5 60 15 1 Rsense, DCR 60V Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller 5x7 QFN-38,TSSOP-38 yes 0.8 900 75kHz - 850kHz 50kHz - 900kHz 0.039 3.6 Burst Mode, Resistor Set Frequency, External Synchronization, Tracking Constant Frequency Current Mode 59.4 1.5 E,I,H,MP no Buck, Buck, Boost no 15 Buck Buck 15 0.8 59.4 Boost 1.2 60 LTspice Model DC1898A no no 2015-02-02 $4.95 (LTC3899EUHF) Extended Temperature (H & MP) Switching Regulators,External Power Switch Boost,External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators,Multiple Output Buck,Multitopology DC/DC 35mm² (5x7 QFN-38),62.7mm² (TSSOP-38) 0.75mm (5x7 QFN-38),1.2mm (TSSOP-38) Matte Tin no yes
LTC3890-3 2 4 60 15 2 Rsense, DCR LTC3890-3 Pulse Skipping, Can Make Boost/SEPIC SSOP-28 yes 0.8 900 50kHz - 900kHz 75kHz - 850kHz 0.050 14 DCR Current Sense, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good Constant Frequency Current Mode 24 1.5 E,I,H,MP yes Buck no 15 Buck Buck 15 0.8 LTspice File,LTpowerCAD Model DC2299A-A no no 2013-01-23 $4.47 (LTC3890EGN-3) Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators,Multiple Output Buck 61.9mm² (SSOP-28) 1.75mm (SSOP-28) Matte Tin no yes
LTC3890-2 2 4 60 15 2 Rsense, DCR LTC3890-2 Adj. Current Limit, Multi-Phase, Pulse Skip, Can Make Boost/SEPIC 5x5 QFN-32 yes 0.8 900 50kHz - 900kHz 75kHz - 850kHz 0.050 14 DCR Current Sense, Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Power Good Constant Frequency Current Mode 24 1.5 E,I,H,MP no Buck no 15 Buck Buck 15 0.8 LTspice File,LTpowerCAD File DC2236A-A no no 2012-11-13 $4.59 (LTC3890EUH-2) Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators,Multiple Output Buck 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) Matte Tin no yes
LTC3884 (single output) 1 4.5 38 60 2, 4, 6 Rsense, DCR, Sub-milliohm DCR Dual Output PolyPhase Step-Down Controller with Sub MilliOhm DCR Sensing and Digital Power System Management 7x7 QFN-48 yes 0.5 1000 200kHz - 1MHz 200kHz - 1MHz 23 PMBus, EEPROM, Fault Logging, Supervisor, Sequencing, Margining, Internal Temp Monitor, Voltage Monitor, Current Monitor, PolyPhase, External Synchronization Constant Frequency Current Mode 5.5 0.5 E,I yes Buck, Buck no 60 Buck Buck 0.5 5.5 LTspice Model,LTpowerCAD File DC2165A,DC2283A,DC2084A,DC2298A yes yes 2015-10-13 $6.35 (LTC3884EUK) Digital Power System Management,Digitally Programmable Regulators,External Power Switch Buck Controllers,Multiple Output Buck 49mm² (7x7 QFN-48) 0.75mm (7x7 QFN-48) Matte Tin no no
LTC3884 (dual output) 2 4.5 38 30 2, 4, 6 Rsense, DCR, Sub-milliohm DCR Dual Output PolyPhase Step-Down Controller with Sub MilliOhm DCR Sensing and Digital Power System Management 7x7 QFN-48 yes 0.5 1000 200kHz - 1MHz 200kHz - 1MHz 23 PMBus, EEPROM, Fault Logging, Supervisor, Sequencing, Margining, Internal Temp Monitor, Voltage Monitor, Current Monitor, PolyPhase, External Synchronization Constant Frequency Current Mode 5.5 0.5 E,I yes Buck, Buck no 30 Buck Buck 30 0.5 5.5 LTspice Model,LTpowerCAD File DC2165A,DC2283A,DC2084A,DC2298A yes yes 2015-10-13 $6.35 (LTC3884EUK) Digital Power System Management,Digitally Programmable Regulators,External Power Switch Buck Controllers,Multiple Output Buck 49mm² (7x7 QFN-48) 0.75mm (7x7 QFN-48) Matte Tin no no
LTC3883 1 4.5 24 30 2, 3, 4, 6 Rsense, DCR Single Phase, Digital Power System Management 5x5 QFN-32 yes 0.5 1000 250kHz - 1MHz 250kHz - 1MHz 20 Burst Mode, Differential Remote Sense, PolyPhase, PMBus, I2C Control, EEPROM, ADC, DCR Current Sense, Sequencing, Margining, Tracking, External Synchronization Constant Frequency Current Mode 5.5 0.5 E,I yes Buck no 30 Buck - LTpowerPlay ,LTspice File,LTpowerCAD File,Linduino File DC2052A,DC1778B-A yes no 2012-08-13 $4.82 (LTC3883EUH-1) Digital Power System Management,Digitally Programmable Regulators,External Power Switch Buck Controllers 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) Matte Tin no yes
LTC3882-1 (single output) 1 3 13.2 80 2, 3, 4, 6, 8 Rsense, DCR Dual Output PolyPhase Voltage Mode Step-Down with PSM, Dedicated PGOOD 6x6 QFN-40 yes 0.5 1250 250kHz - 1.25MHz 250kHz - 1.25MHz 32 Burst Mode, Differential Remote Sense, PolyPhase, PMBus, I2C Control, EEPROM, ADC, DCR Current Sense, Sequencing, Margining, Tracking, External Synchronization Constant Frequency Voltage Mode 5.25 0.5 E,I yes Buck no 80 Buck 0.5 5.25 LTspice Model,LTpowerCAD Model DC2252A-B,DC2312A-A,DC2312A-B no yes 2015-09-28 $5.35 (LTC3882EUJ-1) Digital Power System Management,Digitally Programmable Regulators,External Power Switch Buck Controllers,Multiple Output Buck 36mm² (6x6 QFN-40) 0.75mm (6x6 QFN-40) Matte Tin no no
LTC3886 (dual output) 2 4.5 60 15 2, 4, 6 Rsense, DCR 60V Dual Output Step-Down Controller with Digital Power System Management 7x8 QFN-52 yes 0.5 750 100kHz to 750kHz 100kHz to 750kHz 26 PMBus, EEPROM, Fault Logging, Supervisor, Sequencing, Margining, Internal Temp Monitor, Voltage Monitor, Current Monitor, PolyPhase, External Synchronization Constant Frequency Current Mode 13.8 0.5 E,I yes Buck no 15 Buck Buck 15 0.5 13.8 LTpowerCAD Model,Linduino File DC2155A-A,DC2277A,DC2155A-B yes yes 2015-07-20 $6.35 (LTC3886EUKG) Digital Power System Management,Digitally Programmable Regulators,External Power Switch Buck Controllers,High Input Voltage Buck,Multiple Output Buck 56mm² (7x8 QFN-52) 0.75mm (7x8 QFN-52) Matte Tin no yes
LTC3886 (single output) 1 4.5 60 30 2, 4, 6 Rsense, DCR 60V Dual Output Step-Down Controller with Digital Power System Management 7x8 QFN-52 yes 0.5 750 100kHz to 750kHz 100kHz to 750kHz 26 PMBus, EEPROM, Fault Logging, Supervisor, Sequencing, Margining, Internal Temp Monitor, Voltage Monitor, Current Monitor, PolyPhase, External Synchronization Constant Frequency Current Mode 13.8 0.5 E,I yes Buck no 30 Buck 0.5 13.8 LTpowerCAD Model,Linduino File DC2155A-A,DC2277A,DC2155A-B yes yes 2015-07-20 $6.35 (LTC3886EUKG) Digital Power System Management,Digitally Programmable Regulators,External Power Switch Buck Controllers,High Input Voltage Buck,Multiple Output Buck 56mm² (7x8 QFN-52) 0.75mm (7x8 QFN-52) Matte Tin no yes
LTC3861-1 (single output) 1 3 24 80 2, 3, 4, 6, 12 Rsense, DCR Dual, Multiphase Buck Voltage Mode Controller, 1 Diff Amp, 1.25mV Sense Accuracy 5x5 QFN-32 yes 0.6 2250 Up to 2.25MHz Up to 2.25MHz 30 50 PolyPhase, External Synchronization, Resistor Set Frequency, DCR Current Sense, Power Good, Tracking, Soft Start Constant Frequency Voltage Mode 5.5 0.75 E,I yes Buck no 80 Buck - - LTspice Model,LTpowerCAD Model - no no 2012-08-16 $2.76 (LTC3861EUH-1) External Power Switch Buck Controllers,Multiple Output Buck 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) Matte Tin no yes
LTC3890 2 4 60 15 2 Rsense, DCR LTC3890 Adj. Current Limit, Multi-Phase, Current Limit Foldback 5x5 QFN-32 yes 0.8 900 50kHz - 900kHz 75kHz - 850kHz 0.06 14 Burst Mode, DCR Current Sense, Resistor Set Frequency, External Synchronization, Tracking, Power Good, PolyPhase Constant Frequency Current Mode 24 1 E,I,H,MP yes Buck no 15 Buck Buck 15 0.8 LTspice File,LTpowerCAD File DC2236A-B yes no 2010-02-25 $4.59 (LTC3890EUH) Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators,Multiple Output Buck 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) Matte Tin no yes
LTC3887 (single output) 1 4.5 24 60 2, 4, 6 Rsense, DCR Dual PolyPhase Step-Down with Digital PSM, /-1 drives external DrMOS 6x6 QFN-40 yes 0.5 1000 250kHz - 1MHz 250kHz - 1MHz 20 PMBus, EEPROM, Fault Logging, Supervisor, Sequencing, Margining, Internal Temp Monitor, Voltage Monitor, Current Monitor, PolyPhase, External Synchronization Constant Frequency Current Mode 5.5 0.5 E,I yes Buck no 60 Buck 0.5 5.5 LTpowerPlay ,LTspice Model,LTpowerCAD File,Linduino File DC1709A,DC2263A-A,DC2263A-B,DC2454A,DC2394A yes no 2015-03-16 $5.47 (LTC3887EUJ-1) Digital Power System Management,Digitally Programmable Regulators,External Power Switch Buck Controllers,Multiple Output Buck 36mm² (6x6 QFN-40) 0.75mm (6x6 QFN-40) Matte Tin no yes
LTC3887 (dual output) 2 4.5 24 30 2, 4, 6 Rsense, DCR Dual PolyPhase Step-Down with Digital PSM, /-1 drives external DrMOS 6x6 QFN-40 yes 0.5 1000 250kHz - 1MHz 250kHz - 1MHz 20 PMBus, EEPROM, Fault Logging, Supervisor, Sequencing, Margining, Internal Temp Monitor, Voltage Monitor, Current Monitor, PolyPhase, External Synchronization Constant Frequency Current Mode 5.5 0.5 E,I yes Buck no 30 Buck Buck 30 0.5 5.5 LTpowerPlay ,LTspice Model,LTpowerCAD File,Linduino File DC1709A,DC2263A-A,DC2263A-B,DC2454A,DC2394A yes no 2015-03-16 $5.47 (LTC3887EUJ-1) Digital Power System Management,Digitally Programmable Regulators,External Power Switch Buck Controllers,Multiple Output Buck 36mm² (6x6 QFN-40) 0.75mm (6x6 QFN-40) Matte Tin no yes
LTC3882-1 (dual output) 2 3 13.2 40 2, 3, 4, 6, 8 Rsense, DCR Dual Output PolyPhase Voltage Mode Step-Down with PSM, Dedicated PGOOD 6x6 QFN-40 yes 0.5 1250 250kHz - 1.25MHz 250kHz - 1.25MHz 32 Burst Mode, Differential Remote Sense, PolyPhase, PMBus, I2C Control, EEPROM, ADC, DCR Current Sense, Sequencing, Margining, Tracking, External Synchronization Constant Frequency Voltage Mode 5.25 0.5 E,I yes Buck no 40 Buck Buck 40 0.5 5.25 LTspice Model,LTpowerCAD Model DC2252A-B,DC2312A-A,DC2312A-B no yes 2015-09-28 $5.35 (LTC3882EUJ-1) Digital Power System Management,Digitally Programmable Regulators,External Power Switch Buck Controllers,Multiple Output Buck 36mm² (6x6 QFN-40) 0.75mm (6x6 QFN-40) Matte Tin no no
LTC3853 3 4.5 24 25 3 Rsense, DCR Triple Output, Multiphase Synchronous Buck Controller 6x6 QFN-40 yes 0.8 500 250kHz - 750kHz 250kHz - 750kHz 4.1 42 PolyPhase, DCR Current Sense, External Synchronization, PLL, Power Good, Tracking Constant Frequency Current Mode 13.5 1 E,I,H,MP yes Buck no 25 Buck Buck 25 0.8 13.5 Buck 25 0.8 13.5 LTspice File DC1254A,DC1349A no no 2008-08-18 $3.53 (LTC3853EUJ) Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,Multiple Output Buck 36mm² (6x6 QFN-40) 0.75mm (6x6 QFN-40) Matte Tin no yes
LT3763 1 6 60 20 1 Rsense 60V High Current Step-Down LED Driver Controller TSSOP-28 yes 2 1000 200kHz - 1MHz 200kHz - 1MHz 1.7 0.2 True Color PWM Dimming, Resistor Set Frequency, External Synchronization, Output Current Regulation Constant Frequency Current Mode 55 3 E,I,H Buck, LED Driver no 20 Buck LTspice File DC1831A yes no 2012-10-09 $4.45 (LT3763EFE) Extended Temperature (H & MP) LED Drivers,External Power Switch Buck Controllers,High Input Voltage Buck,Step-Down (Buck) LED Drivers 62.7mm² (TSSOP-28) 1.2mm (TSSOP-28) Matte Tin no no
LT3840 1 2.5 60 20 1 Rsense Integrated Buck-Boost For Gate Drive 4x6 QFN-38,TSSOP-28 yes 1.25 1000 50kHz - 1MHz 50kHz - 1MHz 0.02 0.1 Burst Mode, Resistor Set Frequency, External Synchronization, Power Good, Output Current Regulation, Output Current Monitor, Integrated Buck-Boost For Gate Drive Constant Frequency Current Mode 60 1 E,I,H,MP no Buck, Inverting no 20 Buck, Inverting LTspice File DC1909A yes no 2014-02-10 $3.65 (LT3840EUFE) Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators 24mm² (4x6 QFN-38),62.7mm² (TSSOP-28) 0.75mm (4x6 QFN-38),1.2mm (TSSOP-28) Matte Tin no yes
LTC3829 1 4.5 38 90 3, 6 Rsense, DCR 3-Phase, Single Output Synchronous Step-Down with Diff Amp 5x7 QFN-38,TSSOP-38 yes 0.6 770 250kHz - 770kHz 250kHz - 770kHz 4 40 Burst Mode, Differential Remote Sense, Phase Shedding, DCR Current Sense, Active Voltage Positioning, External Synchronization, Resistor Set Frequency, Nonlinear Control Constant Frequency Current Mode 5 0.75 E,I yes Buck no 90 - LTspice File,LTpowerCAD File DC1530A,DC1675A no no 2010-04-26 $3.71 (LTC3829EUHF) External Power Switch Buck Controllers 35mm² (5x7 QFN-38),62.7mm² (TSSOP-38) 0.75mm (5x7 QFN-38),1.2mm (TSSOP-38) Matte Tin no yes
LT3845A 1 4 60 15 2 Rsense LT3845A Offers Improved Performance TSSOP-16 yes 1.231 500 100kHz - 500kHz 100kHz - 500kHz 0.12 20 Resistor Set Frequency, External Synchronization, Burst Mode Constant Frequency Current Mode 36 1.2 E,I,MP yes Buck no 15 - - LTspice File,LTpowerCAD Model DC1619A no no 2006-12-22 $3.56 (LT3845AEFE) Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,High Input Voltage Buck 32.6mm² (TSSOP-16) 1.1mm (TSSOP-16) Matte Tin no yes
LTC3833 1 4.5 38 25 1 Rsense, DCR Fast, Accurate Step-Down DC/DC with Differential Output Sensing 3x4 QFN-20,TSSOP-20 yes 0.6 2000 200kHz - 2MHz 200kHz - 2MHz 2 15 Differential Remote Sense, Resistor Set Frequency, External Synchronization, DCR Current Sense, Power Good, Tracking, Soft Start Controlled On-Time Valley Current Mode 5.5 0.66 E,I no Buck no 25 - LTspice File,LTpowerCAD File DC1640A-B,DC1640A-A,DC1516A-A,DC1516A-B no no 2010-10-18 $2.50 (LTC3833EUDC) External Power Switch Buck Controllers 12mm² (3x4 QFN-20),42.2mm² (TSSOP-20) 0.75mm (3x4 QFN-20),1.2mm (TSSOP-20) Matte Tin no yes
LTC3834 1 4 36 25 1, 2 Rsense 30μA IQ Step-Down Controller, CLKOUT, EXTVCC, PGOOD Pins 4x5 QFN-20,TSSOP-20 yes 0.8 650 140kHz - 650kHz .03 4 Burst Mode, External Synchronization, PLL, Tracking, Power Good, PolyPhase Constant Frequency Current Mode 5 1 E,I yes Buck no 25 - LTspice Model DC1344A no no 2007-11-16 $3.88 (LTC3834EFE) External Power Switch Buck Controllers,Micropower Buck Regulators 20mm² (4x5 QFN-20),42.2mm² (TSSOP-20) 0.75mm (4x5 QFN-20),1.2mm (TSSOP-20) Matte Tin no yes
LTC3861-1 (dual output) 2 3 24 40 2, 3, 4, 6, 12 Rsense, DCR Dual, Multiphase Buck Voltage Mode Controller, 1 Diff Amp, 1.25mV Sense Accuracy 5x5 QFN-32 yes 0.6 2250 Up to 2.25MHz Up to 2.25MHz 30 50 PolyPhase, External Synchronization, Resistor Set Frequency, DCR Current Sense, Power Good, Tracking, Soft Start Constant Frequency Voltage Mode 5.5 0.75 E,I yes Buck no 40 Buck Buck 40 - LTspice Model,LTpowerCAD Model - no no 2012-08-16 $2.76 (LTC3861EUH-1) External Power Switch Buck Controllers,Multiple Output Buck 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) Matte Tin no yes
LT3741 1 6 36 25 1 Rsense Constant Current, Constant Voltage Step-Down 4x4 QFN-20,TSSOP-20 yes 4 1000 200kHz - 1MHz 200kHz - 1MHz 1.8 0.1 Output Current Regulation, Resistor Set Frequency, External Synchronization Average Output Current Control 34 1.5 E,I no Buck, LED Driver no 25 - - LTspice File DC1602A no no 2010-03-09 $3.95 (LT3741EUF-1) External Power Switch Buck Controllers,Step-Down (Buck) LED Drivers 16mm² (4x4 QFN-20),42.2mm² (TSSOP-20) 0.75mm (4x4 QFN-20),1.2mm (TSSOP-20) Matte Tin no no
LT3742 2 4 30 5 2 Rsense Dual, 2-Phase Step-Down Switching Controller 4x4 QFN-24 no 0.8 500 5 20 Anti-Phase Switching, Tracking, Power Good, 100% Duty Cycle Constant Frequency Current Mode 30 1.5 E yes Buck no 5 Buck Buck 5 .8 - LTspice File,LTpowerCAD Model DC927A no no 2007-12-04 $2.30 (LT3742EUF) External Power Switch Buck Controllers,Multiple Output Buck 16mm² (4x4 QFN-24) 0.75mm (4x4 QFN-24) Matte Tin no no
LTC3834-1 1 4 36 25 1, 2 Rsense 30μA IQ Step-Down Controller, LTC3834-1 Offers Smaller Package 5x3 DFN-16,SSOP-16 yes 0.8 650 140kHz - 650kHz .03 4 Burst Mode, External Synchronization, PLL, Tracking Constant Frequency Current Mode 5 1 E,I no Buck no 25 - LTspice Model DC1346A no no 2007-11-16 $3.69 (LTC3834EDHC-1) External Power Switch Buck Controllers,Micropower Buck Regulators 15mm² (5x3 DFN-16),30.9mm² (SSOP-16) 0.75mm (5x3 DFN-16),1.75mm (SSOP-16) Matte Tin no yes
LT8709 1 -80 -4.5 25 1 Rsense Negative Input Synchronous Multi-Topology DC/DC Controller TSSOP-20 yes 1.234 750 Up to 750kHz Up to 750kHz 4 0 Output Current Monitor, Output Current Regulation, Power Good, Resistor Set Frequency, External Synchronization Constant Frequency Current Mode 80 E,I no Buck, Boost, Sepic, Inverting no 25 Buck, Boost, Sepic, Inverting LTspice File DC2148A yes no 2014-12-31 $3.65 (LT8709EFE) External Power Switch Boost,External Power Switch Buck Controllers,Inverting Regulators,SEPIC Regulators 42.2mm² (TSSOP-20) 1.2mm (TSSOP-20) Matte Tin no no
LTC3826-1 2 4 36 25 2 Rsense 30uA Iq, LTC3826-1 No Clock Out Pin, One PGOOD SSOP-28 yes 0.8 530 250kHz - 530kHz 140kHz - 650kHz .03 4 PolyPhase, Burst Mode, PLL, Selectable Switching Frequency, External Synchronization, Power Good, Tracking Constant Frequency Current Mode 10 1 E,I yes Buck no 25 Buck Buck 25 0.8 LTspice Model - no no 2007-07-13 $5.38 (LTC3826EG-1) External Power Switch Buck Controllers,Micropower Buck Regulators,Multiple Output Buck 86.1mm² (SSOP-28) 2mm (SSOP-28) Matte Tin no yes
LTC3807 1 4 38 25 1 Rsense, DCR Low IQ, Synchronous Step-Down Controller with 24V Output Voltage Capability 3x4 QFN-20,TSSOP-20 yes 0.8 900 50kHz to 900kHz 75kHz to 750kHz 0.05 14 Burst Mode, DCR Current Sense, Resistor Set Frequency, External Synchronization, Tracking, Power Good Constant Frequency Current Mode 24 1.5 E,I,H,MP no Buck no 25 Buck LTspice Model,LTpowerCAD File DC2221A no no 2014-08-11 $2.30 (LTC3807EUDC) Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,Micropower Buck Regulators 12mm² (3x4 QFN-20),42.2mm² (TSSOP-20) 0.75mm (3x4 QFN-20),1.2mm (TSSOP-20) Matte Tin no no
LTC3775 1 4.5 38 25 1 Rsense, None Voltage Mode DC/DC Controller 3x3 QFN-16,MS-16E yes 0.6 1000 250kHz - 1MHz 3.5 14 External Synchronization Constant Frequency Voltage Mode 30.4 0.75 E,I no Buck no 25 - LTspice File DC1290A-A,DC1290A-B no no 2009-10-21 $1.79 (LTC3775EMSE) External Power Switch Buck Controllers 9mm² (3x3 QFN-16),19.8mm² (MS-16E) 0.75mm (3x3 QFN-16),1.1mm (MS-16E) Matte Tin no yes
LTC3774 (single output) 1 4.5 38 60 2, 3, 4, 6, 8, 12 Sub-Milliohm DCR, DCR, Rsense Dual, Multiphase Controller for Sub-Milliohm DCR Sensing 5x6 QFN-36 yes 0.6 1200 200kHz - 1.2MHz 200kHz - 1.2MHz 9 40 Sub-Milliohm DCR Current Sense, Phase Shedding, Differential Remote Sense, External Synchronization, Resistor Set Frequency, Tracking, Power Good, No FET Drivers Advanced Constant Frequency Current Mode 3.5 0.75 E,I yes Buck no 60 Buck 0.6 LTspice File,LTpowerCAD File DC2002A,DC2111A-A,DC2111A-B yes no 2013-10-18 $2.95 (LTC3774EUHE) External Power Switch Buck Controllers,Multiple Output Buck 30mm² (5x6 QFN-36) 0.75mm (5x6 QFN-36) Matte Tin no no
LTC3774 (dual output) 2 4.5 38 30 2, 3, 4, 6, 8, 12 Sub-Milliohm DCR, DCR, Rsense Dual, Multiphase Controller for Sub-Milliohm DCR Sensing 5x6 QFN-36 yes 0.6 1200 200kHz - 1.2MHz 200kHz - 1.2MHz 9 40 Sub-Milliohm DCR Current Sense, Phase Shedding, Differential Remote Sense, External Synchronization, Resistor Set Frequency, Tracking, Power Good, No FET Drivers Advanced Constant Frequency Current Mode 3.5 0.75 E,I yes Buck no 30 Buck Buck 30 0.6 LTspice File,LTpowerCAD File DC2002A,DC2111A-A,DC2111A-B yes no 2013-10-18 $2.95 (LTC3774EUHE) External Power Switch Buck Controllers,Multiple Output Buck 30mm² (5x6 QFN-36) 0.75mm (5x6 QFN-36) Matte Tin no no
LTC3810-5 1 4.35 60 10 1 Rsense, None LTC3810-5 Vin 4.35V to 60V, 5.5V Driver Voltage, Tracking, External Synchronization 5x5 QFN-32 yes 0.8 250 100kHz - 1MHz 100kHz - 1MHz 3 240 Tracking, No Rsense, External Synchronization, Power Good, Resistor Set Frequency Constant On-Time Valley Current Mode 60 0.5 E,I,H no Buck no 10 - LTspice File,LTpowerCAD Model DC1168A no no 2007-05-26 $3.38 (LTC3810EUH-5) Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers,High Input Voltage Buck 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) Matte Tin no no
LTC3811 (dual output) 2 4.5 30 20 2, 3, 4, 6, 12 Rsense, DCR High Speed Dual, Multiphase Step-Down 5x7 QFN-38,SSOP-36 yes 0.6 500 250kHz to 750kHz 150kHz to 900kHz 10.5 20 PolyPhase, Differential Remote Sense, DCR Current Sense, Power Good, Tracking, Sequencing, Selectable Switching Frequency, External Synchronization, PLL Constant Frequency Current Mode 3.3 0.5 E yes Buck no 20 Buck Buck 20 0.8 LTspice Model DC971A no no 2007-08-27 $3.75 (LTC3811EG) External Power Switch Buck Controllers,Multiple Output Buck 35mm² (5x7 QFN-38),163.9mm² (SSOP-36) 0.75mm (5x7 QFN-38),2.64mm (SSOP-36) Matte Tin no no
LTC3823 1 4.5 30 25 1 Rsense, None Fast No Rsense, Differential Output Sensing, Tracking and PLL 5x5 QFN-32,SSOP-28 yes 0.6 1000 100kHz - 1MHz 100kHz - 1MHz 1.4 30 No Rsense, Tracking, Differential Remote Sense, PLL, External Synchronization, Resistor Set Frequency Constant On-Time Valley Current Mode 27 0.67 E,I no Buck no 25 - LTspice File DC1021A no no 2006-12-05 $2.75 (LTC3823EGN) External Power Switch Buck Controllers 25mm² (5x5 QFN-32),61.9mm² (SSOP-28) 0.75mm (5x5 QFN-32),1.75mm (SSOP-28) Matte Tin no yes
LTC3812-5 1 6.2 60 10 1 Rsense, None Vin 4.35V to 60V, 5.5V Driver Voltage TSSOP-16 yes 0.8 250 100kHz to 1MHz 100kHz to 1MHz 3 224 No Rsense, Power Good, Resistor Set Frequency Constant On-Time Valley Current Mode 55.8 0.875 E,I no Buck no 20 - LTspice Model,LTpowerCAD Model DC1035A no no 2007-04-17 $3.25 (LTC3812EFE-5) External Power Switch Buck Controllers,High Input Voltage Buck 32.6mm² (TSSOP-16) 1.1mm (TSSOP-16) Matte Tin no no
LTC3811 (single output) 1 4.5 30 30 2, 3, 4, 6, 12 Rsense, DCR High Speed Dual, Multiphase Step-Down 5x7 QFN-38,SSOP-36 yes 0.6 500 250kHz to 750kHz 150kHz to 900kHz 10.5 20 PolyPhase, Differential Remote Sense, DCR Current Sense, Power Good, Tracking, Sequencing, Selectable Switching Frequency, External Synchronization, PLL Constant Frequency Current Mode 3.3 0.5 E yes Buck no 30 Buck 0.8 LTspice Model DC971A no no 2007-08-27 $3.75 (LTC3811EG) External Power Switch Buck Controllers,Multiple Output Buck 35mm² (5x7 QFN-38),163.9mm² (SSOP-36) 0.75mm (5x7 QFN-38),2.64mm (SSOP-36) Matte Tin no no
LTC3838 2 4.5 38 30 2 Rsense, DCR Dual Fast Step Down Controller with Differential Output Sensing 5x7 QFN-38,TSSOP-38 yes 0.6 2000 200kHz to 2MHz 200kHz to 2MHz 3 15 Differential Remote Sense, External Synchronization, Resistor Set Frequency, DCR Current Sense, Power Good, Tracking Controlled On-Time Valley Current Mode 5.5 0.67 E,I yes Buck no 30 Buck Buck 30 0.6 LTspice File,LTpowerCAD File DC1626A-A,DC1626A-B,DC1801A-A,DC1801A-B no no 2011-10-28 $3.18 (LTC3838EUHF) External Power Switch Buck Controllers,Multiple Output Buck 35mm² (5x7 QFN-38),62.7mm² (TSSOP-38) 0.75mm (5x7 QFN-38),1.2mm (TSSOP-38) Matte Tin no no
LT3740 1 2.2 22 20 1 None Valley Mode, No Rsense 5x3 DFN-16 yes 0.8 300 2.5 0.6 No Rsense, Power Good, Tracking Constant Frequency Valley Current Mode 5 1 E no Buck no 20 - - LTspice File,LTpowerCAD Model DC947A no no 2006-11-03 $1.95 (LT3740EDHC) External Power Switch Buck Controllers 15mm² (5x3 DFN-16) 0.75mm (5x3 DFN-16) Matte Tin no no
LTC3858-1 2 4 38 25 2 Rsense, DCR Dual 170μA IQ Buck Controller, LTC3858-1 One PGOOD, Latch Off 4x5 QFN-28,SSOP-28 yes 0.8 900 50kHz - 900kHz 75kHz - 850kHz 0.17 8 DCR Current Sense, Resistor Set Frequency, External Synchronization, Burst Mode, Power Good, PolyPhase Constant Frequency Current Mode 24 1 E,I yes Buck no 25 Buck Buck 25 .8 LTspice File,LTpowerCAD File DC1352A-B no no 2009-07-08 $3.88 (LTC3858EGN-1) External Power Switch Buck Controllers,Multiple Output Buck 20mm² (4x5 QFN-28),61.9mm² (SSOP-28) 0.75mm (4x5 QFN-28),1.75mm (SSOP-28) Matte Tin no yes
LTC3858 2 4 38 25 2 Rsense, DCR Dual 170μA IQ Buck Controller, LTC3858 CLKOUT, Two PGOOD, Latch Off 5x5 QFN-32 yes 0.8 900 50kHz - 900kHz 75kHz - 850kHz 0.17 8 DCR Current Sense, Resistor Set Frequency, External Synchronization, Burst Mode, Power Good, PolyPhase Constant Frequency Current Mode 24 1 E,I yes Buck no 25 Buck Buck 25 .8 LTspice Model,LTpowerCAD File DC1381A-B,DC1510A-A,DC1510A-B no no 2009-07-08 $4.00 (LTC3858EUH) External Power Switch Buck Controllers,Multiple Output Buck 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) Matte Tin no no
LTC3857-1 2 4 38 25 2 Rsense, DCR Dual 50μA IQ Buck Controller, LTC3857-1 One PGOOD, Foldback SSOP-28 yes 0.8 850 50kHz - 900kHz 75kHz - 850kHz 0.05 0.01 Burst Mode, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power Good Constant Frequency Current Mode 24 1 E,I yes Buck no 25 Buck Buck 25 .8 LTspice Model,LTpowerCAD File DC1352A-A no no 2009-07-28 $3.88 (LTC3857EGN-1) External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators,Multiple Output Buck 61.9mm² (SSOP-28) 1.75mm (SSOP-28) Matte Tin no yes
LTC3838-1 2 4.5 38 30 2 Rsense, DCR LTC3838-1 Dual Differential Output Sensing 5x7 QFN-38 yes 0.6 2000 200kHz to 2MHz 200kHz to 2MHz 3 15 Differential Remote Sense, External Synchronization, Resistor Set Frequency, DCR Current Sense, Power Good, Tracking Controlled On-Time Valley Current Mode 5.5 0.67 E,I yes Buck no 30 Buck Buck 30 0.6 LTspice File,LTpowerCAD Model DC1997A-A no no 2013-02-14 $3.18 (LTC3838EUHF-1) External Power Switch Buck Controllers,Multiple Output Buck 35mm² (5x7 QFN-38) 0.75mm (5x7 QFN-38) Matte Tin no no
LTC3858-2 2 4 38 20 2 Rsense, DCR LTC3858-2 OVP Crowbar and Short Circuit Latch-Off Disabled 5x5 QFN-32 yes 0.8 900 50kHz - 900kHz 75kHz - 850kHz 0.4 8 Burst Mode, Tracking, Resistor Set Frequency, External Synchronization, DCR Current Sense, Anti-Phase Switching, Power Good Constant Frequency Current Mode 24 1 E,I yes Buck no 25 Buck Buck 20 0.8 LTspice Model,LTpowerCAD Model - no no 2010-11-24 $4.00 (LTC3858EUH-2) External Power Switch Buck Controllers,Multiple Output Buck 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) Matte Tin no no
LTC3860 (dual output) 2 3 24 40 2, 3, 4, 6, 12 Rsense, DCR Dual, Multiphase Buck Controller, 1 Diff Amp, 2mV Sense Accuracy 5x5 QFN-32 yes 0.6 1250 250kHz - 1.25MHz 250kHz - 1.25MHz 14 50 Differential Remote Sense, PolyPhase, Resistor Set Frequency, External Synchronization, PLL, DCR Current Sense, Power Good, Tracking Constant Frequency Voltage Mode 5 1 E,I yes Buck no 40 Buck Buck 40 0.6 LTspice File,LTpowerCAD File DC1184A,DC1755A no no 2010-02-02 $2.59 (LTC3860EUH) External Power Switch Buck Controllers,Multiple Output Buck 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) Matte Tin no yes
LTC3861 (single output) 1 3 24 80 2, 3, 4, 6, 12 Rsense, DCR Dual, Multiphase Buck Voltage Mode Controller, 2 Diff Amp, 1.25mV Sense Accuracy 5x6 QFN-36 yes 0.6 2250 Up to 2.25MHz Up to 2.25MHz 30 50 Differential Remote Sense, PolyPhase, External Synchronization, Resistor Set Frequency, DCR Current Sense, Power Good, Tracking Constant Frequency Voltage Mode 5.5 0.75 E,I yes Buck no 80 Buck - LTspice File,LTpowerCAD File DC1822A yes no 2012-01-25 $2.88 (LTC3861EUHE) External Power Switch Buck Controllers,Multiple Output Buck 30mm² (5x6 QFN-36) 0.75mm (5x6 QFN-36) Matte Tin no yes
LTC3861 (dual output) 2 3 24 40 2, 3, 4, 6, 12 Rsense, DCR Dual, Multiphase Buck Voltage Mode Controller, 2 Diff Amp, 1.25mV Sense Accuracy 5x6 QFN-36 yes 0.6 2250 Up to 2.25MHz Up to 2.25MHz 30 50 Differential Remote Sense, PolyPhase, External Synchronization, Resistor Set Frequency, DCR Current Sense, Power Good, Tracking Constant Frequency Voltage Mode 5.5 0.75 E,I yes Buck no 40 Buck Buck 40 LTspice File,LTpowerCAD File DC1822A yes no 2012-01-25 $2.88 (LTC3861EUHE) External Power Switch Buck Controllers,Multiple Output Buck 30mm² (5x6 QFN-36) 0.75mm (5x6 QFN-36) Matte Tin no yes
LTC3860 (single output) 1 3 24 80 2, 3, 4, 6, 12 Rsense, DCR Dual, Multiphase Buck Controller, 1 Diff Amp, 2mV Sense Accuracy 5x5 QFN-32 yes 0.6 1250 250kHz - 1.25MHz 250kHz - 1.25MHz 14 50 Differential Remote Sense, PolyPhase, Resistor Set Frequency, External Synchronization, PLL, DCR Current Sense, Power Good, Tracking Constant Frequency Voltage Mode 5 1 E,I yes Buck no 80 Buck 0.6 LTspice File,LTpowerCAD File DC1184A,DC1755A no no 2010-02-02 $2.59 (LTC3860EUH) External Power Switch Buck Controllers,Multiple Output Buck 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) Matte Tin no yes
LTC3856 1 4.5 38 60 2, 3, 4, 6, 12 Rsense, DCR 2-Phase Synchronous Step-Down DC/DC Controller with Diffamp 5x5 QFN-32,TSSOP-38 yes 0.6 770 250kHz - 770kHz 4 40 PolyPhase, Active Voltage Positioning, Differential Remote Sense, Burst Mode, DCR Current Sense, Phase Shedding, External Synchronization, PLL, Tracking, Power Good Constant Frequency Current Mode 5 0.75 E,I yes Buck no 60 - LTspice File,LTpowerCAD File DC1580A no no 2010-05-13 $3.18 (LTC3856EUH) External Power Switch Buck Controllers 25mm² (5x5 QFN-32),62.7mm² (TSSOP-38) 0.75mm (5x5 QFN-32),1.2mm (TSSOP-38) Matte Tin no yes
LTC3857 2 4 38 25 2 Rsense, DCR Dual 50μA IQ Buck Controller, LTC3857 CLKOUT, Two PGOOD, Foldback 5x5 QFN-32 yes 0.8 850 50kHz - 900kHz 75kHz - 850kHz 0.05 0.01 Burst Mode, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power Good Constant Frequency Current Mode 24 1 E,I yes Buck no 25 Buck Buck 25 .8 LTspice File,LTpowerCAD File DC1381A-A no no 2009-07-28 $4.00 (LTC3857EUH) External Power Switch Buck Controllers,High Input Voltage Buck,Micropower Buck Regulators,Multiple Output Buck 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) Matte Tin no yes
LTC3855 2 4.5 38 30 2, 3, 4, 6, 12 Rsense, DCR Dual, Multiphase Synchronous Controller with Diff. Remote Sense 6x6 QFN-40,TSSOP-38 yes 0.6 770 250kHz - 770kHz 3.5 30 Differential Remote Sense, PolyPhase, DCR Current Sense, Tracking, External Synchronization Constant Frequency Current Mode 12.5 0.75 E,I yes Buck no 30 Buck Buck 30 0.6 LTspice File,LTpowerCAD File DC1441A,DC1586A,DC1617A-A,DC1617A-B yes no 2009-10-26 $3.18 (LTC3855EUJ) External Power Switch Buck Controllers,Multiple Output Buck 36mm² (6x6 QFN-40),62.7mm² (TSSOP-38) 0.75mm (6x6 QFN-40),1.2mm (TSSOP-38) Matte Tin no yes
LTC3838-2 2 4.5 38 30 2 Rsense, DCR LTC3838-2 Ext. Reference, Dual Differential Output Sensing 5x7 QFN-38 yes 0.6 2000 200kHz to 2MHz 200kHz to 2MHz 3 15 Differential Remote Sense, External Synchronization, Resistor Set Frequency, DCR Current Sense, Power Good, Tracking Controlled On-Time Valley Current Mode 5.5 0.67 E,I yes Buck no 30 Buck Buck 30 0.6 LTspice File,LTpowerCAD Model DC1997A-B no no 2013-02-12 $3.18 (LTC3838EUHF-2) External Power Switch Buck Controllers,Multiple Output Buck 35mm² (5x7 QFN-38) 0.75mm (5x7 QFN-38) Matte Tin no no
LTC3850-2 2 4 30 25 2 Rsense, DCR LTC3850-2 Same Function as LTC3850-1, Different Pinout SSOP-28 yes 0.8 500 250kHz - 780kHz 0.85 30 PolyPhase, DCR Current Sense, Selectable Switching Frequency, External Synchronization, PLL, Tracking, Power Good Constant Frequency Current Mode 6 1 I yes Buck no 25 Buck LTspice Model,LTpowerCAD Model - no no 2008-09-05 $2.55 (LTC3850IGN-2) External Power Switch Buck Controllers 61.9mm² (SSOP-28) 1.75mm (SSOP-28) Matte Tin no yes
LTC3851A 1 4 38 25 1 Rsense, DCR PLL, LTC3851A Adjustable Current Limit 3x3 QFN-16,MS-16E,SSOP-16 yes 0.8 750 250kHz - 750kHz 250kHz - 750kHz 1.2 25 DCR Current Sense, Resistor Set Frequency, External Synchronization, Tracking, Burst Mode Constant Frequency Current Mode 5.5 1 E,I,H,MP no Buck no 25 - LTspice File,LTpowerCAD File DC1432A-A no no 2010-10-25 $1.71 (LTC3851AEGN) Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers 9mm² (3x3 QFN-16),19.8mm² (MS-16E),30.9mm² (SSOP-16) 0.75mm (3x3 QFN-16),1.1mm (MS-16E),1.75mm (SSOP-16) Matte Tin no yes
LTC3851A-1 1 4 38 25 1 Rsense, DCR PLL, LTC3851A-1 PGOOD Pin 3x3 QFN-16,MS-16E yes 0.8 750 250kHz - 750kHz 1 25 DCR Current Sense, Power Good, External Synchronization, Tracking, Burst Mode Constant Frequency Current Mode 5.5 1 E,I,H,MP no Buck no 25 - LTspice Model,LTpowerCAD File DC1432A-B no no 2010-11-02 $1.71 (LTC3851AEMSE-1) Extended Temperature (H & MP) Switching Regulators,External Power Switch Buck Controllers 9mm² (3x3 QFN-16),19.8mm² (MS-16E) 0.75mm (3x3 QFN-16),1.1mm (MS-16E) Matte Tin no yes
LTC3854 1 4.5 38 25 1 Rsense, DCR Small Footprint, Wide Vin Range Synchronous Step-Down Controller 3x2 DFN-12,MS-12E yes 0.8 400 2 10 DCR Current Sense Constant Frequency Current Mode 5.5 1 E,I no Buck no 25 - LTspice File,LTpowerCAD File DC1271A,DC1487A,DC1450A no no 2009-05-08 $1.65 (LTC3854EDDB) External Power Switch Buck Controllers 6mm² (3x2 DFN-12),19.8mm² (MS-12E) 0.75mm (3x2 DFN-12),1.1mm (MS-12E) Matte Tin no yes
LTC3852 1 2.7 38 25 1 Rsense, DCR Low Input Voltage, Synchronous Step-Down Controller 3x5 QFN-24 yes 0.8 750 250kHz - 750kHz 250kHz - 750kHz 7 5 DCR Current Sense, External Synchronization, Resistor Set Frequency, Power Good, Burst Mode Constant Frequency Current Mode 5 1.25 E,I no Buck no 25 - LTspice File DC1270A no no 2010-10-18 $1.95 (LTC3852EUDD) External Power Switch Buck Controllers 15mm² (3x5 QFN-24) 0.75mm (3x5 QFN-24) Matte Tin no yes
LTC3839 1 4.5 38 60 2, 3, 4, 6, 12 Rsense, DCR Fast, 2-Phase, Single-Output Step-Down, Differential Output Sensing 5x5 QFN-32 yes 0.6 2000 200kHz - 2MHz 200kHz - 2MHz 3 15 Differential Remote Sense, External Synchronization, Resistor Set Frequency, PolyPhase, DCR Current Sense, Tracking, Power Good Controlled On-Time Valley Current Mode 5.5 1 E,I yes Buck no 60 - LTspice File,LTpowerCAD File DC1632A yes no 2011-12-20 $3.18 (LTC3839EUH) External Power Switch Buck Controllers 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) Matte Tin no no
LTC3773 3 3.3 36 25 3 Rsense Triple Output Synchronous Tracking 3-Phase Buck 5x7 QFN-38,SSOP-36 yes 0.6 700 220kHz, 400kHz, 560kHz 160kHz - 700kHz 2.8 20 Tracking, PolyPhase, Power Good, Selectable Switching Frequency, External Synchronization, Burst Mode Constant Frequency Current Mode 5 1.5 E yes Buck no 25 Buck Buck 25 0.6 5 Buck 25 0.6 5 LTspice Model DC908A,DC913A no no 2006-11-29 $3.95 (LTC3773EG) External Power Switch Buck Controllers,Multiple Output Buck 35mm² (5x7 QFN-38),163.9mm² (SSOP-36) 0.75mm (5x7 QFN-38),2.64mm (SSOP-36) Matte Tin,Lead no no
LTC3859AL 3 4.5 38 25 2 Rsense, DCR Triple Buck/Buck/Boost Synch Controller, Improved Burst Mode 5x7 QFN-38,TSSOP-38 yes 0.8 900 50kHz - 900kHz 75kHz - 850kHz 0.055 14 PolyPhase, Burst Mode, DCR Current Sense, External Synchronization, Resistor Set Frequency, Tracking Constant Frequency Current Mode 24 1 E,I,H,MP yes Buck, Boost no 25 Buck Buck 25 0.8 24 Buck 0.8 60 LTspice Model DC2122A no no 2013-01-24 $4.35 (LTC3859ALEUHF) Extended Temperature (H & MP) Switching Regulators,External Power Switch Boost,External Power Switch Buck Controllers,Micropower Buck Regulators,Multiple Output Buck,Multitopology DC/DC 35mm² (5x7 QFN-38),62.7mm² (TSSOP-38) 0.75mm (5x7 QFN-38),1.2mm (TSSOP-38) Matte Tin,Lead no yes
LTC3826 2 4 36 25 2 Rsense 30uA Iq, LTC3826 Clock Out Pin, Two PGOOD Outputs 5x5 QFN-32 yes 0.8 530 250kHz - 530kHz 140kHz - 650kHz .03 4 PolyPhase, Burst Mode, PLL, Selectable Switching Frequency, External Synchronization, Power Good, Tracking Constant Frequency Current Mode 10 1 E,I yes Buck no 25 Buck Buck 25 0.8 LTspice File DC1235A no no 2007-07-06 $5.50 (LTC3826EUH) External Power Switch Buck Controllers,Micropower Buck Regulators,Multiple Output Buck 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) Matte Tin,Lead no yes
LTC3810 1 6.2 100 10 1 Rsense, None LTC3810 Vin 6.2V to 100V, 10V Driver Voltage, Tracking, External Synchronization SSOP-28 yes 0.8 250 100kHz to 1MHz 100kHz to 1MHz 3 240 No Rsense, Power Good, Tracking, External Synchronization, Resistor Set Frequency Constant On-Time Valley Current Mode 55.8 0.5 E,I no Buck no 20 - LTspice File,LTpowerCAD Model DC952A no no 2007-04-19 $3.50 (LTC3810EG) External Power Switch Buck Controllers,High Input Voltage Buck 86.1mm² (SSOP-28) 2mm (SSOP-28) Matte Tin,Lead no no
LTC3850 2 4 24 25 2 Rsense, DCR LTC3850-1 Replaces ILIM With EXTVCC 4x5 QFN-28,SSOP-28 yes 0.8 500 250kHz - 780kHz 250kHz - 780kHz 0.85 30 PolyPhase, DCR Current Sense, Selectable Switching Frequency, External Synchronization, PLL, Tracking, Power Good Constant Frequency Current Mode 6 1 E,I yes Buck no 25 Buck Buck 25 0.8 LTspice File,LTpowerCAD File DC1126A,DC1185B-A,DC1185B-B,DC1231A-A,DC1231A-B,DC1185A-A no no 2007-06-18 $2.40 (LTC3850EGN-1) External Power Switch Buck Controllers,Multiple Output Buck 20mm² (4x5 QFN-28),61.9mm² (SSOP-28) 0.75mm (4x5 QFN-28),1.75mm (SSOP-28) Matte Tin,Lead no yes