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Number of Outputs Vin Min Vin Max DDR Output Current Monolithic Frequency Comments Packages Isupply Ishutdown Vout Maximum Vout Min Topology Synchronous Output Current Temp Range Architecture Features Frequency Adjust Range Frequency Sync Range Switch Current Tracking Vout Max Vswitch Max 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 kHz mA µA V yes/no A A yes/no V V mm² mm yes/no
Selection
(hold Ctrl key to select multiple,
hold Shift key to select range)
LTM4632 3 3.1 15 ±3A (x2), VTTR yes 1000 Ultrathin, Triple Output, Step-Down μModule Regulator for DDR-QDR4 Memory 6.25mm x 6.25mm x 1.82mm LGA,6.25mm x 6.25mm x 2.42mm BGA 13 40 2.5V 0.6 Buck yes 3 E,I Ultrathin Package, PolyPhase, External Synchronization, Power Good, Burst Mode, Tracking 700kHz - 1.3MHz 4.5 yes 2.5 LTspice File,LTpowerCAD Model DC2367A no yes 2016-03-16 $7.35 (LTM4632EV) DDR Memory/Bus Termination,uModule Buck Regulators 39.1mm² (6.25mm x 6.25mm x 2.42mm BGA),39.1mm² (6.25mm x 6.25mm x 1.82mm LGA) 1.82mm (6.25mm x 6.25mm x 1.82mm LGA),2.42mm (6.25mm x 6.25mm x 2.42mm BGA) Gold,SAC305,Tin-Lead no no
LTC3617 2 2.25 5.5 ±6A, VTTR yes 4000 ±6A Monolithic Synchronous Step-Down for DDR 3x5 QFN-24 1.1 0.1 Vin 0.5 Buck yes 6 E,I Constant Frequency Current Mode DDR Mode, Resistor Set Frequency, External Synchronization, Power Good Up to 4MHz Up to 4MHz 10 yes 5.5 LTspice File DC1707A no no 2011-06-20 $3.80 (LTC3617EUDD) DDR Memory/Bus Termination,Multiple Output Buck 15mm² (3x5 QFN-24) 0.75mm (3x5 QFN-24) Matte Tin no yes
LTC3618 3 2.25 5.5 ±3A (x2), VTTR yes 4000 Dual 4MHz, +/-3A Synchronous Buck for DDR 4x4 QFN-24,TSSOP-24 2.4 0.1 2.5V 0.5 Buck yes 3 E,I Constant Frequency Current Mode External Synchronization, Resistor Set Frequency, DDR Mode, Tracking, Anti-Phase Switching, Power Good, Soft Start Up to 4MHz 400kHz - 4MHz 5.5 yes 2.5 LTspice File DC1726A no no 2011-07-26 $4.10 (LTC3618EUF) DDR Memory/Bus Termination,Multiple Output Buck 16mm² (4x4 QFN-24),50.6mm² (TSSOP-24) 0.75mm (4x4 QFN-24),1.2mm (TSSOP-24) Matte Tin,Lead no yes
LTC3615 2 2.25 5.5 ±1.5A (x2) yes 4000 Selectable 0°/90°/180° (LTC3615) or 140°/180° (LTC3615-1) 4x4 QFN-24,TSSOP-24 0.13 0.1 Vin 0.6 Buck yes 3 E,I,H,MP Constant Frequency Current Mode Burst Mode, Resistor Set Frequency, External Synchronization, Tracking, Anti-Phase Switching, DDR Mode, 100% Duty Cycle Up to 4MHz Up to 4MHz 6 yes 5.5 6 LTspice File,LTpowerCAD File DC1435A,DC1572A no no 2010-04-21 $3.95 (LTC3615EUF) DDR Memory/Bus Termination,Extended Temperature (H & MP) Switching Regulators,Internal Power Switch Buck,Micropower Buck Regulators,Multiple Output Buck 16mm² (4x4 QFN-24),50.6mm² (TSSOP-24) 0.75mm (4x4 QFN-24),1.2mm (TSSOP-24) Matte Tin,Lead no yes
LTC3612 1 2.25 5.5 ±1.5A yes 4000 3A, 4MHz Monolithic Synchronous Step-Down DC/DC Converter 3x4 QFN-20,TSSOP-20 0.070 0.1 Vin 0.6 Buck yes 3 E,I,H,MP Constant Frequency Current Mode Burst Mode, DDR Mode, Active Voltage Positioning, 100% Duty Cycle Up to 4MHz Up to 4MHz 6 no 5.5 LTspice File,LTpowerCAD File DC1310A,DC1574A no no 2009-07-28 $3.10 (LTC3612EUDC) DDR Memory/Bus Termination,Extended Temperature (H & MP) Switching Regulators,Internal Power Switch 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
LTC3614 1 2.25 5.5 ±3A yes 4000 4A, 4MHz Monolithic Synchronous Step-Down DC/DC Converter 3x5 QFN-24 0.075 0.1 Vin 0.6 Buck yes 4 E,I,H,MP Constant Frequency Current Mode Burst Mode, Resistor Set Frequency, Tracking, DDR Mode, Power Good, 100% Duty Cycle Up to 4MHz 9 yes 5.5 6 LTspice File,LTpowerCAD File DC1467A no no 2010-04-01 $3.45 (LTC3614EUDD) DDR Memory/Bus Termination,Extended Temperature (H & MP) Switching Regulators,Internal Power Switch Buck,Micropower Buck Regulators 15mm² (3x5 QFN-24) 0.75mm (3x5 QFN-24) Matte Tin,Lead no yes
LTC3616 1 2.25 5.5 ±3A yes 4000 6A, 4MHz Monolithic Synchronous Step-Down DC/DC Converter 3x5 QFN-24 0.075 0.1 Vin 0.6 Buck yes 6 E,I,H,MP Constant Frequency Current Mode Burst Mode, Resistor Set Frequency, External Synchronization, Power Good, DDR Mode, 100% Duty Cycle Up to 4MHz Up to 4MHz 12 yes 5.5 LTspice File,LTpowerCAD File DC1461A no no 2010-02-16 $3.80 (LTC3616EUDD) DDR Memory/Bus Termination,Extended Temperature (H & MP) Switching Regulators,Internal Power Switch Buck,Micropower Buck Regulators 15mm² (3x5 QFN-24) 0.75mm (3x5 QFN-24) Matte Tin no yes
LTC3634 3 3.6 15 ±3A (x2), VTTR yes 4000 15V Dual 3A Monolithic Step-Down Regulator for DDR Power 4x5 QFN-28,TSSOP-28 1.3 15 3V 0.6 Buck yes 3 E,I,H,MP Constant Frequency Current Mode DDR Mode, Resistor Set Frequency, External Synchronization, Power Good 500kHz - 4MHz 500kHz - 4MHz 4.4 no 3 LTspice Model,LTpowerCAD Model DC1708A,DC1839A no no 2011-06-07 $4.25 (LTC3634EUFD) DDR Memory/Bus Termination,Extended Temperature (H & MP) Switching Regulators 20mm² (4x5 QFN-28),62.7mm² (TSSOP-28) 0.75mm (4x5 QFN-28),1.2mm (TSSOP-28) Matte Tin no no
LTC3676 7 2.7 5.5 ±1.5A, VTTR yes 2250 LTC3676-1 has ±1.5A DDR, VTTR ref 6x6 QFN-40,7x7 LQFP-48 0.023 12 5.5V 0.8 Buck yes 2.5 E,I,H Constant Frequency Current Mode Burst Mode, LDO, DDR Mode, Pushbutton Reset, Power Good, Adjustable Slew Rate 2.25MHz or 1.12MHz 3 no 5.5 Linduino File DC1976A-A,DC1976A-B yes no 2012-06-14 $5.50 (LTC3676EUJ-1) DDR Memory/Bus Termination,Digitally Programmable Regulators,Extended Temperature (H & MP) Switching Regulators,Multitopology DC/DC 36mm² (6x6 QFN-40),81mm² (7x7 LQFP-48) 0.75mm (6x6 QFN-40),1.6mm (7x7 LQFP-48) Matte Tin no yes
LTC3831-1 1 3 8 20A no 500 Synchronous Switching Regulator Controller for DDR, LTC3831-1 Vref 0.75V SSOP-16 0.7 1 VIN/2 0.75 Buck yes 20 E Constant Frequency Voltage Mode No Rsense, DDR Mode, Resistor Set Frequency, External Synchronization 100kHz - 500kHz 100kHz - 500kHz 20 no 8 LTspice Model - no no 2001-11-29 $2.90 (LTC3831EGN-1) DDR Memory/Bus Termination 30.9mm² (SSOP-16) 1.75mm (SSOP-16) Lead,Matte Tin no no
LTC3876 3 4.5 38 20A, ±20A, VTTR no 2000 Dual DC/DC Controller for DDR, Differential VDDQ Sense & +/-50mA VTT Reference 5x7 QFN-38,TSSOP-38 5 20 2.5V 1 Buck yes 20 E,I Controlled On-Time Valley Current Mode DDR Mode, Resistor Set Frequency, External Synchronization, Tracking, DCR Current Sense, Power Good 200kHz - 2MHz 200kHz - 2MHz 25 yes 2.5 LTspice Model DC1631A yes no 2011-11-28 $2.94 (LTC3876EUHF) DDR Memory/Bus Termination 35mm² (5x7 QFN-38),62.7mm² (TSSOP-38) 0.75mm (5x7 QFN-38),1.2mm (TSSOP-38) Matte Tin no yes
LTC3413 1 2.5 5.5 3A yes 2000 3A, 2MHz Monolithic Synchronous Regulator for DDR/QDR Memory Termination TSSOP-16 0.25 0.02 VREF/2 0.7 Buck yes 3 E,I Constant Frequency Current Mode Resistor Set Frequency, Power Good, DDR Mode Up to 2MHz 5.4 no 5.5 LTspice Model,LTpowerCAD Model DC492A yes no 2002-11-13 $3.95 (LTC3413EFE) DDR Memory/Bus Termination 32.6mm² (TSSOP-16) 1.1mm (TSSOP-16) Lead,Matte Tin no yes
LTC3831 1 3 8 20A no 500 Synchronous Switching Regulator Controller for DDR, LTC3831 Vref 1.25V SSOP-16 0.7 1 VIN/2 1.25 Buck yes 20 E,I Constant Frequency Voltage Mode No Rsense, DDR Mode, Resistor Set Frequency, External Synchronization 100kHz - 500kHz 100kHz - 500kHz 20 no 8 LTspice Model DC470A no no 2001-11-29 $2.90 (LTC3831EGN) DDR Memory/Bus Termination 30.9mm² (SSOP-16) 1.75mm (SSOP-16) Lead,Matte Tin no no
LTC3776 2 2.75 9.8 4A, ±4A no 750 Generates VDDQ and VTT; VTT sinks/sources current. Optional spread spectrum 4x4 QFN-24,SSOP-24 0.575 9 VOUT2=1/2*VOUT1 0.3 Buck yes 5 E - PolyPhase, No Rsense, DDR Mode, Selectable Switching Frequency, Spread Spectrum, External Synchronization, PLL, Soft Start 300kHz, 550kHz, 750kHz 250kHz - 850kHz 5 no 9.8 LTspice File DC829A no no 2005-03-08 $3.75 (LTC3776EGN) DDR Memory/Bus Termination 16mm² (4x4 QFN-24),54.2mm² (SSOP-24) 0.75mm (4x4 QFN-24),1.75mm (SSOP-24) Lead,Matte Tin no no
LTC3717-1 1 4 36 20A no 1500 No RSENSE Step-Down Controller for DDR, Vout = 1/2Vref, LTC3717-1 Has Von Pin 5x5 QFN-32 1 15 VREF/2 0.7 Buck yes 20 E Constant Frequency Current Mode DDR Mode, Resistor Set Frequency, Power Good 20 no 18 LTspice Model - no no 2002-01-02 $3.15 (LTC3717EUH-1) DDR Memory/Bus Termination 25mm² (5x5 QFN-32) 0.75mm (5x5 QFN-32) Lead,Matte Tin no no
LTC3718 1 1.5 36 20A no 1500 Very low input voltage. provides its own 5V N-CH MOSFET gate drive SSOP-24 1 15 VREF/2 0.7 Buck yes 20 E - DDR Mode, Resistor Set Frequency, Power Good 20 no 36 LTspice Model DC464A no no 2002-02-22 $3.45 (LTC3718EG) DDR Memory/Bus Termination 69.7mm² (SSOP-24) 2mm (SSOP-24) Lead,Matte Tin no no
LTC3717 1 4 36 20A no 1500 No RSENSE Step-Down Controller for DDR, Vout = 1/2Vin SSOP-16 1 15 VIN/2 0.7 Buck yes 20 E Constant Frequency Current Mode DDR Mode, Resistor Set Frequency, Power Good 20 no 36 LTspice Model DC450A no no 2002-01-02 $2.95 (LTC3717EGN) DDR Memory/Bus Termination 30.9mm² (SSOP-16) 1.75mm (SSOP-16) Lead,Matte Tin no no