Power Management LED Driver ICs Buck-Boost LED Drivers

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Number of Outputs Vin Min Vin Max Output Current Vout Max Monolithic Topology Packages Max Number of LEDs Dimming Features Frequency Isupply Ishutdown Synchronous Architecture Temp Range Comments 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 V yes/no # kHz mA µA yes/no mm² mm yes/no
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LTC3453 (single string) 1 2.7 5.5 0.5 4.5 yes Buck-Boost, LED Driver QFN-16 1 DC Open LED Protection, Soft Start 1000 0.6 6 yes Independently Controlled Individual Current Sinks E 90% efficiency, targets Li Ion batteries, open/short LED protection, soft-start LTspice Model DC810A no no 2005-03-03 $1.85 (LTC3453EUF) Buck-Boost LED Drivers no no
LTC3453 (dual string) 2 2.7 5.5 0.25 4.5 yes Buck-Boost, LED Driver QFN-16 2 (parallel) DC Open LED Protection, Soft Start 1000 0.6 6 yes Independently Controlled Individual Current Sinks E 90% efficiency, targets Li Ion batteries, open/short LED protection, soft-start LTspice Model DC810A no no 2005-03-03 $1.85 (LTC3453EUF) Buck-Boost LED Drivers no no
LTM8042-1 1 3 30 0.35 32 yes Boost, Buck, LED Driver 15mm x 9mm x 2.82mm LGA 10 3000:1 PWM, 10:1 Analog Constant Current Constant Voltage, True Color PWM Dimming, Soft Start 2500 4.2 0.1 no Improved Average Output Current Control E,I uModule Multi-Topology 350mA CC/CV LED Driver or Current Source LTspice File DC1511A-A,DC1511A-B yes no 2010-09-08 $8.76 (LTM8042EV-1) Buck-Boost LED Drivers,Current Sources,Multitopology LED Driver,Step-Down (Buck) LED Drivers,Step-Up (Boost) LED Drivers,uModule LED Drivers 135mm² (15mm x 9mm x 2.82mm LGA) 2.82mm (15mm x 9mm x 2.82mm LGA) Gold no no
LTM8042 1 3 30 1 32 yes Boost, Buck, LED Driver 15mm x 9mm x 2.82mm LGA 10 3000:1 PWM, 10:1 Analog Constant Current Constant Voltage, True Color PWM Dimming, Soft Start 2500 4.2 0.1 no Improved Average Output Current Control E,I uModule Multi-Topology 1A CC/CV LED Driver or Current Source LTspice File DC1511A-A,DC1511A-B yes no 2010-09-08 $8.76 (LTM8042EV) Buck-Boost LED Drivers,Current Sources,Multitopology LED Driver,Step-Down (Buck) LED Drivers,Step-Up (Boost) LED Drivers,uModule LED Drivers 135mm² (15mm x 9mm x 2.82mm LGA) 2.82mm (15mm x 9mm x 2.82mm LGA) Gold no no
LTC3453 4 2.7 5.5 0.125 4.5 yes Buck-Boost, LED Driver 4x4 QFN-16 4 (parallel) DC Open LED Protection, Soft Start 1000 0.6 6 yes Independently Controlled Individual Current Sinks E 90% efficiency, targets Li Ion batteries, open/short LED protection, soft-start LTspice Model DC810A no no 2005-03-03 $1.85 (LTC3453EUF) Buck-Boost LED Drivers 16mm² (4x4 QFN-16) 0.75mm (4x4 QFN-16) Lead,Matte Tin no no
LT3517 1 3 30 1.25 40 yes Buck, Boost, Buck-Boost, LED Driver 4x4 QFN-16,TSSOP-16 10 5000:1 PWM, 10:1 Analog True Color PWM Dimming, Open LED Protection, Resistor Set Frequency 2500 6 .1 no Improved Average Output Current Control E,I,H Full-Featured LED Driver with 1.5A Switch Current LTspice File DC1279A no no 2007-11-29 $2.70 (LT3517EUF) Buck-Boost LED Drivers,Extended Temperature (H & MP) LED Drivers,Multitopology LED Driver,Step-Down (Buck) LED Drivers,Step-Up (Boost) LED Drivers 16mm² (4x4 QFN-16),32.6mm² (TSSOP-16) 0.75mm (4x4 QFN-16),1.1mm (TSSOP-16) Lead,Matte Tin no yes
LT3518 1 3 40 1.86 45 yes Buck, Boost, Buck-Boost, LED Driver 4x4 QFN-16,TSSOP-16 10 3000:1 PWM, 10:1 Analog True Color PWM Dimming, Open LED Protection, Resistor Set Frequency 2500 4.5 .1 no Improved Average Output Current Control E,I,H Full-Featured LED Driver with 2.3A Switch Current LTspice File DC1160A no no 2007-06-26 $2.95 (LT3518EUF) Buck-Boost LED Drivers,Extended Temperature (H & MP) LED Drivers,Multitopology LED Driver,Step-Down (Buck) LED Drivers,Step-Up (Boost) LED Drivers 16mm² (4x4 QFN-16),32.6mm² (TSSOP-16) 0.75mm (4x4 QFN-16),1.1mm (TSSOP-16) Lead,Matte Tin no yes
LTC3452 7 2.7 5.5 0.05 4.5 yes Buck-Boost, LED Driver 4x4 QFN-20 5 (parallel) & 2 (flash) PWM Open LED Protection, Soft Start 1000 0.6 6.5 yes Improved Average Output Current Control E Synchronous Buck-Boost MAIN/CAMERA White LED Driver LTspice File DC928A no no 2007-01-16 $1.80 (LTC3452EUF) Buck-Boost LED Drivers 16mm² (4x4 QFN-20) 0.75mm (4x4 QFN-20) Lead,Matte Tin no no
LT3477 1 2.3 25 2.66 40 yes Buck, Boost, Buck-Boost, LED Driver 4x4 QFN-20,TSSOP-20 12 500:1 PWM, 10:1 Analog Output Current Regulation, Resistor Set Frequency, Differential Remote Sense 3500 5 0.1 no Average Output Current Control E,I 3A, DC/DC Converter with Dual Rail-to-Rail Current Sense LTspice File DC1130A,DC841A no no 2005-05-05 $3.15 (LT3477EUF) Buck-Boost LED Drivers,Internal Power Switch Boost,Multitopology LED Driver,SEPIC Regulators,Step-Down (Buck) LED Drivers,Step-Up (Boost) LED Drivers 16mm² (4x4 QFN-20),42.2mm² (TSSOP-20) 0.75mm (4x4 QFN-20),1.2mm (TSSOP-20) Lead,Matte Tin no yes
LT3519 1 3 30 0.5 45 yes Boost, Sepic, Buck-Boost, Buck, LED Driver MS-16 10 3000:1 PWM, 10:1 Analog True Color PWM Dimming, Open LED Protection 400 2 .1 no Improved Average Output Current Control E,I LED Driver with Integrated Schottky Diode LTspice File DC1482A,DC1612A-A,DC1612A-B no no 2009-08-04 $2.50 (LT3519EMS-1) Buck-Boost LED Drivers,Multitopology LED Driver,Step-Down (Buck) LED Drivers,Step-Up (Boost) LED Drivers 19.8mm² (MS-16) 1.1mm (MS-16) Matte Tin no yes
LT3761 1 4.5 60 10 100 no Buck, Boost, Buck-Boost, Sepic, LED Driver MS-16E 25+ 3000:1 PWM Resistor Set Switching Frequency, Rail-to-Rail Current Sense, Open LED Protection 1000 1.8 0.1 no Constant Frequency Current Mode E,I,H LT3761 Offers Open LED Status Pin, LT3761-1 Offers Frequency Synchronization LTspice File DC1772A yes no 2012-08-17 $3.20 (LT3761EMSE-1) Buck-Boost LED Drivers,Extended Temperature (H & MP) LED Drivers,Multitopology LED Driver,Step-Down (Buck) LED Drivers,Step-Up (Boost) LED Drivers,Supercapacitor Chargers,Switching Battery Chargers 19.8mm² (MS-16E) 1.1mm (MS-16E) Matte Tin no yes
LT3761A 1 4.5 60 10 100 no Buck, Boost, Buck-Boost, Sepic, LED Driver MS-16E 25+ 3000:1 PWM Resistor Set Switching Frequency, Rail-to-Rail Current Sense, Open LED Protection 1000 1.8 0.1 no Constant Frequency Current Mode E,I LT3761A offers improved accuracy of internal PWM dimming over LT3761 LTspice Model - no yes 2016-05-02 $3.20 (LT3761AEMSE) Buck-Boost LED Drivers,Multitopology LED Driver,Step-Down (Buck) LED Drivers,Step-Up (Boost) LED Drivers 19.8mm² (MS-16E) 1.1mm (MS-16E) Matte Tin no no
LT3922 1 2.8 36 2 40 yes Boost, Buck, Buck-Boost 4x5 QFN-28 Up to 34V 5000:1 PWM, 128:1 Internal PWM Spread Spectrum, Silent Switcher Architecture 2000 2.9 1 yes E,I,H 36V, 2A Synchronous Step-Up LED Driver LTspice File DC2247A yes yes 2016-08-24 $3.95 (LT3922EUFD) Buck-Boost LED Drivers,Extended Temperature (H & MP) LED Drivers,Multitopology LED Driver,Step-Down (Buck) LED Drivers,Step-Up (Boost) LED Drivers 20mm² (4x5 QFN-28) 0.75mm (4x5 QFN-28) Matte Tin no no
LT3496 3 3 30 0.7 45 yes Boost, Buck, Buck-Boost, LED Driver 4x5 QFN-28,TSSOP-28 3 x 10 3000:1 PWM, 10:1 Analog True Color PWM Dimming, Open LED Protection, Resistor Set Frequency 2100 6 .1 no Improved Average Output Current Control E,I,H Triple Output LED Driver LTspice File DC1288A,DC986A no no 2007-04-30 $3.50 (LT3496EUFD) Buck-Boost LED Drivers,Extended Temperature (H & MP) LED Drivers,Multitopology LED Driver,Step-Down (Buck) LED Drivers,Step-Up (Boost) LED Drivers 20mm² (4x5 QFN-28),62.7mm² (TSSOP-28) 0.75mm (4x5 QFN-28),1.2mm (TSSOP-28) Matte Tin no yes
LT3492 3 3 30 0.3 60 yes Buck, Boost, Buck-Boost, LED Driver 4x5 QFN-28,TSSOP-28 3 x 10 3000:1 PWM, 10:1 Analog True Color PWM Dimming, Open LED Protection 2100 6 .1 no Improved Average Output Current Control E,I Triple Output LED Driver Triple Output LED Driver with 3000:1 PWM Dimming LTspice File DC1405A no no 2009-11-25 $3.70 (LT3492EUFD) Buck-Boost LED Drivers,Multitopology LED Driver,Step-Down (Buck) LED Drivers,Step-Up (Boost) LED Drivers 20mm² (4x5 QFN-28),62.7mm² (TSSOP-28) 0.75mm (4x5 QFN-28),1.2mm (TSSOP-28) Matte Tin no yes
LT8391 1 4 60 10 60 no Buck-Boost, LED Driver 4x5 QFN-28,TSSOP-28 25+ 2000:1 External and 128:1 Internal PWM Dimming Resistor Set Frequency, External Synchronization, Open LED Protection, Spread Spectrum 650 2.1 1 Constant Frequency Current Mode E,I 60V Synchronous 4-Switch Buck-Boost LED Controller with Spread Spectrum LTspice File DC2345A no yes 2016-03-02 $4.65 (LT8391EFE) Buck-Boost LED Drivers 20mm² (4x5 QFN-28),62.7mm² (TSSOP-28) 0.75mm (4x5 QFN-28),1.2mm (TSSOP-28) Matte Tin no no
LT3955 1 4.5 60 1 80 yes Buck, Boost, Sepic, Buck-Boost, LED Driver 5x6 QFN-36 25+ 3000:1 PWM, 10:1 Analog Open LED Protection, Resistor Set Frequency, C/10 Battery Termination 1000 1.7 0.1 no Constant Frequency Current Mode E,I 60VIN LED Converter with Internal PWM Generator LTspice File DC2020A no no 2013-06-11 $3.75 (LT3955EUHE) Buck-Boost LED Drivers,Multitopology LED Driver,Step-Up (Boost) LED Drivers 30mm² (5x6 QFN-36) 0.75mm (5x6 QFN-36) Matte Tin no no
LT3956 1 4.5 80 1.5 80 yes Buck, Boost, Buck-Boost, Sepic, Flyback, LED Driver 5x6 QFN-36 25+ 3000:1 PWM, 10:1 Analog Constant Voltage Constant Current, Open LED, True Color PWM 1000 1.4 .1 no Improved Average Output Current Control E,I 80VIN, 80VOUT Constant-Current, Constant-Voltage Converter LTspice File DC1521A yes no 2010-05-18 $3.50 (LT3956EUHE) Buck-Boost LED Drivers,Multitopology LED Driver,Step-Down (Buck) LED Drivers,Step-Up (Boost) LED Drivers 30mm² (5x6 QFN-36) 0.75mm (5x6 QFN-36) Matte Tin no yes
LT3954 1 4.5 40 1.5 40 yes Buck, Boost, Sepic, Buck-Boost, LED Driver 5x6 QFN-36 10 3000:1 PWM Rail-to-Rail Current Sense, Internal PWM Generator 1000 1.8 0.1 no Constant Frequency Current Mode E,I 40Vin LED Converter with Internal PWM Generator LTspice File DC2079A no no 2013-03-11 $3.60 (LT3954EUHE) Buck-Boost LED Drivers,Multitopology LED Driver,Step-Up (Boost) LED Drivers 30mm² (5x6 QFN-36) 0.75mm (5x6 QFN-36) Matte Tin no no
LT3478 1 2.8 36 4.2 42 yes Boost, Buck-Boost, Buck, LED Driver TSSOP-16 10 3000:1 PWM, 10:1 Analog True Color PWM Dimming, Open LED Protection, Resistor Set Frequency 2250 6.1 3 no Improved Average Output Current Control E,I 4.5A Monolithic LED Drivers with True Color PWM Dimming LTspice File DC949A-A,DC949A-B no no 2007-05-23 $3.60 (LT3478EFE-1) Buck-Boost LED Drivers,Multitopology LED Driver,Step-Down (Buck) LED Drivers,Step-Up (Boost) LED Drivers 32.6mm² (TSSOP-16) 1.1mm (TSSOP-16) Matte Tin no yes
LT3476 4 2.8 16 1 36 yes Boost, Buck-Boost, Buck, LED Driver 5x7 QFN-38 4 x 8 1000:1 PWM, 10:1 Analog True Color PWM Dimming, Open LED Protection, Resistor Set Frequency, 2000 5.5 0.1 no Improved Average Output Current Control E,I High Current Quad Output LED Driver LTspice File DC976A no no 2006-09-28 $4.64 (LT3476EUHF) Buck-Boost LED Drivers,Multitopology LED Driver,Step-Down (Buck) LED Drivers,Step-Up (Boost) LED Drivers 35mm² (5x7 QFN-38) 0.75mm (5x7 QFN-38) Lead,Matte Tin no yes
LT3797 3 2.5 40 5 100 no Buck, Boost, Buck-Boost, Sepic, LED Driver 7x8 QFN-52 25+ 3000:1 PWM Rail-to-Rail Current Sense, Open LED Protection, Resistor Set Frequency, External Synchronization 1000 0.5 0.1 no Constant Frequency Current Mode E,I Triple Output LED Driver Controller LTspice File DC1784A,DC2218A no no 2013-11-11 $4.95 (LT3797EUKG) Buck-Boost LED Drivers,Multitopology LED Driver,Step-Down (Buck) LED Drivers,Step-Up (Boost) LED Drivers 56mm² (7x8 QFN-52) 0.75mm (7x8 QFN-52) Matte Tin no no
LT3795 1 4.5 110 10 110 no Buck, Boost, Buck-Boost, Sepic, LED Driver TSSOP-28 25+ 3000:1 PWM True Color PWM Dimming, Spread Spectrum, Resistor Set Frequency, Open LED Protection, C/10 Battery Termination 1000 2.9 10 no Constant Frequency Current Mode E,I,H 110V LED Controller with Spread Spectrum Frequency Modulation LTspice File DC1827A no no 2013-08-21 $3.45 (LT3795EFE) Buck-Boost LED Drivers,Extended Temperature (H & MP) LED Drivers,Multitopology LED Driver,Step-Down (Buck) LED Drivers,Step-Up (Boost) LED Drivers 62.7mm² (TSSOP-28) 1.2mm (TSSOP-28) Matte Tin no yes
LT3796 1 6 100 10 100 no Buck, Boost, Buck-Boost, Sepic, LED Driver TSSOP-28 25+ 3000:1 PWM Output Current Regulation, True Color PWM Dimming, Resistor Set Frequency, External Synchronization 1000 2.5 1 no Constant Frequency Current Mode E,I,H 100V Constant-Current and Constant-Voltage Controller with Dual Current Sense LTspice File DC1706A no no 2012-04-03 $3.45 (LT3796EFE-1) Buck-Boost LED Drivers,Extended Temperature (H & MP) LED Drivers,Extended Temperature (H & MP) Switching Regulators,Multitopology LED Driver,Step-Down (Buck) LED Drivers,Step-Up (Boost) LED Drivers,Supercapacitor Chargers,Switching Battery Chargers 62.7mm² (TSSOP-28) 1.2mm (TSSOP-28) Matte Tin no yes
LT3952 1 3 42 4 60 yes LED Driver, Buck, Boost, Buck-Boost TSSOP-28 Up to 60V 4000:1 PWM, 20:1 Analog Open LED Protection, Shorted LED Protection, Resistor Set Frequency, External Synchronization, Input Current Limit, Input Current Monitor, Spread Spectrum 3000 1.5 35 no Constant Frequency Current Mode E,I,H 60V LED Driver with 4A Switch Current LTspice File DC2013A,DC2361A no yes 2015-03-30 $3.95 (LT3952EFE) Buck-Boost LED Drivers,Extended Temperature (H & MP) LED Drivers,Multitopology LED Driver,Step-Down (Buck) LED Drivers,Step-Up (Boost) LED Drivers 62.7mm² (TSSOP-28) 1.2mm (TSSOP-28) Matte Tin no no
LT3791 1 4.7 60 10 60 no Buck-Boost, LED Driver TSSOP-38 100W+ PWM, Analog Output Disconnect 700 3 0.1 yes Constant Frequency Current Mode E,I,H,MP 60V 4-Switch Synchronous Buck-Boost LED Driver Controller, OPEN LED Pin LTspice File,LTpowerCAD Model DC1666A yes no 2012-03-07 $4.75 (LT3791EFE) Buck-Boost LED Drivers,Extended Temperature (H & MP) LED Drivers,Extended Temperature (H & MP) Switching Regulators 62.7mm² (TSSOP-38) 1.2mm (TSSOP-38) Matte Tin no no
LTC3454 1 2.7 5.5 1 5.15 yes Buck-Boost, LED Driver 3x3 DFN-10 1 PWM & Analog Open LED Protection, Soft Start 1000 0.825 0 yes Improved Average Output Current Control E 1A Synchronous Buck-Boost High Current LED Driver LTspice Model DC875B no no 2005-12-21 $1.95 (LTC3454EDD) Buck-Boost LED Drivers 9mm² (3x3 DFN-10) 0.75mm (3x3 DFN-10) Lead,Matte Tin no no
LT1618 1 1.6 18 1 36 yes Boost, Sepic, Flyback 3x3 DFN-10,MS-10 20 Analog Output Current Regulation 1400 1.8 0.1 no Constant Frequency Current Mode E Constant Current/Voltage LTspice File DC780B no no 2001-01-24 $1.75 (LT1618EDD) Buck-Boost LED Drivers,Internal Power Switch Boost,LCD/CCD/OLED Bias,SEPIC Regulators,Step-Down (Buck) LED Drivers,Step-Up (Boost) LED Drivers 9mm² (3x3 DFN-10),14.7mm² (MS-10) 0.75mm (3x3 DFN-10),1.1mm (MS-10) Lead,Matte Tin no no
LT3755 1 4.5 40 10 75 no Buck, Boost, Sepic, Buck-Boost, LED Driver 3x3 QFN-16,MS-16E 25+ 3000:1 PWM, 10:1 Analog True Color PWM Dimming, Open LED Detection, Resistor Set Frequency, External Synchronization 1000 1.4 .1 no Improved Average Output Current Control E,I,H 40VIN, 60VOUT LED Controller (LT3755-1 Offers Frequency Synchronization, LT3755-2 Offers Improved Open LED Status) ) LTspice File DC1268B-A,DC1268B-B no no 2008-05-12 $2.75 (LT3755EUD-1) Buck-Boost LED Drivers,Extended Temperature (H & MP) LED Drivers,Multitopology LED Driver,Step-Down (Buck) LED Drivers,Step-Up (Boost) LED Drivers 9mm² (3x3 QFN-16),19.8mm² (MS-16E) 0.75mm (3x3 QFN-16),1.1mm (MS-16E) Matte Tin no yes
LT3756 1 6 100 10 100 no Buck, Boost, Sepic, Buck-Boost, LED Driver 3x3 QFN-16,MS-16E 25+ 3000:1 PWM, 10:1 Analog True Color PWM Dimming, Open LED Detection, Resistor Set Frequency 1000 1.4 .1 no Improved Average Output Current Control E,I,H 100VIN, 100VOUT LED Controller (LT3756-1 Offers Frequency Synchronization, LT3756-2 Offers Improved Open LED Status Pin) LTspice File DC1319B-A,DC1319B-B yes no 2008-08-19 $2.90 (LT3756EUD-1) Buck-Boost LED Drivers,Extended Temperature (H & MP) LED Drivers,Multitopology LED Driver,Step-Down (Buck) LED Drivers,Step-Up (Boost) LED Drivers 9mm² (3x3 QFN-16),19.8mm² (MS-16E) 0.75mm (3x3 QFN-16),1.1mm (MS-16E) Matte Tin no yes