Buck-Boost LED Drivers

Analog Devices buck/boost LED drivers allow LED bias when the input voltage is either above or below the LED voltage. This is ideal in cases such as a single cell lithium-ion (Li-Ion) battery driving a single LED where the input voltage can vary from 4.2 V fully charged down to 2.7 V fully depleted, while the LED forward voltage can vary from 2 V to 4 V depending on brightness and temperature. Our LED drivers offer the highest efficiency, lowest noise, and the smallest footprints. Other features include integrated Schottky diodes, accurate LED current matching, and multiple output capability.
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Buck-Boost LED Drivers

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SortOrderPart#Number of OutputsVin
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(V)
MonolithicTopologyUS Price 1000 to 4999
($ US)
1LT8391A 1 4 60 10 60 No Buck-Boost, LED Driver $4.65 (LT8391AEUFD#PBF)
2LT3922 1 2.8 36 2 40 Yes Boost, Buck, Buck-Boost $2.71 (LT3922EUFD#PBF)
3LT8391 1 4 60 10 60 No Buck-Boost, LED Driver $4.65 (LT8391EUFD#PBF)
4LT3761A 1 4.5 60 10 100 No Boost, Buck, Buck-Boost, LED Driver, Sepic $3.20 (LT3761AEMSE#PBF)
5LT3761 1 4.5 60 10 100 No Boost, Buck, Buck-Boost, LED Driver, Sepic $3.20 (LT3761EMSE#PBF)
6LT3952 1 3 42 4 60 Yes Boost, Buck, Buck-Boost, LED Driver $3.95 (LT3952EFE#PBF)
7LT3795 1 4.5 110 10 110 No Boost, Buck, Buck-Boost, LED Driver, Sepic $3.45 (LT3795EFE#PBF)
8LT3955 1 4.5 60 1 80 Yes Boost, Buck, Buck-Boost, LED Driver, Sepic $3.75 (LT3955EUHE#PBF)
9LT3954 1 4.5 40 4 40 Yes Boost, Buck, Buck-Boost, LED Driver, Sepic $3.60 (LT3954EUHE#PBF)
10LT3797 3 2.5 40 5 100 No Boost, Buck, Buck-Boost, LED Driver, Sepic $4.95 (LT3797EUKG#PBF)
11LT3796 1 6 100 10 100 No Boost, Buck, Buck-Boost, LED Driver, Sepic $3.45 (LT3796EFE#PBF)
12LT3791 1 4.7 60 10 60 No Buck-Boost, LED Driver $4.75 (LT3791EFE#PBF)
13LTM8042-1 1 3 30 350m 32 Yes Boost, Buck, LED Driver $8.76 (LTM8042EV-1#PBF)
14LTM8042 1 3 30 1 32 Yes Boost, Buck, LED Driver $8.76 (LTM8042EV#PBF)
15LT3519 1 3 30 500m 45 Yes Boost, Buck, Buck-Boost, LED Driver, Sepic $2.50 (LT3519EMS#PBF)
16LT3956 1 4.5 80 1.5 80 Yes Boost, Buck, Buck-Boost, Flyback, LED Driver, Sepic $3.50 (LT3956EUHE#PBF)
17LT3756 1 6 100 10 100 No Boost, Buck, Buck-Boost, LED Driver, Sepic $2.90 (LT3756EUD-2#PBF)
18LT3755 1 4.5 40 10 75 No Boost, Buck, Buck-Boost, LED Driver, Sepic $2.75 (LT3755EUD-1#PBF)
19LT3492 3 3 30 300m 60 Yes Boost, Buck, Buck-Boost, LED Driver $3.70 (LT3492EUFD#PBF)
20LT3517 1 3 30 1.25 40 Yes Boost, Buck, Buck-Boost, LED Driver $2.70 (LT3517EUF#PBF)
21LT3518 1 3 40 1.86 45 Yes Boost, Buck, Buck-Boost, LED Driver $2.95 (LT3518EUF#PBF)
22LT3496 3 3 30 700m 45 Yes Boost, Buck, Buck-Boost, LED Driver $3.50 (LT3496EUFD#PBF)
23LT3476 4 2.8 16 1 36 Yes Boost, Buck, Buck-Boost, LED Driver $4.64 (LT3476EUHF#PBF)
24LTC3452 7 2.7 5.5 50m 4.5 Yes Buck-Boost, LED Driver $1.80 (LTC3452EUF#PBF)
25LT3478 1 2.8 36 4.2 42 Yes Boost, Buck, Buck-Boost, LED Driver $3.60 (LT3478EFE#PBF)
26LTC3454 1 2.7 5.5 1 5.15 Yes Buck-Boost, LED Driver $1.95 (LTC3454EDD#PBF)
27LT3477 1 2.3 25 2.66 40 Yes Boost, Buck, Buck-Boost, LED Driver $3.15 (LT3477EUF#PBF)
28LTC3453 4 2.7 5.5 125m 4.5 Yes Buck-Boost, LED Driver $1.85 (LTC3453EUF#PBF)
29LT1618 1 1.6 18 1 36 Yes Boost, Flyback, Sepic $1.75 (LT1618EDD#PBF)