降压型 LED 驱动器

Analog Devices 的降压型 LED 驱动器非常适合于那些输入电压高于 LED 电压的应用,比如在许多汽车或工业应用中。这些 LED 驱动器可提供最高的效率、最低的噪声和最小的占板面积。其他特点包括集成化肖特基二极管、准确的 LED 电流匹配、以及多输出能力。
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Step-Down (Buck) LED Drivers

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SortOrderPart#Number of OutputsVin
(min)
(V)
Vin
(max)
(V)
Output Current
(typ)
(A)
Vout Max
(typ)
(V)
TopologyMonolithicUS Price 1000 to 4999
($ US)
1LT3964 2 4 36 1.6 35.64 Buck, LED Driver Yes $4.50 (LT3964EUHE#PBF)
2LT3932 1 3.6 36 2 36 Buck, LED Driver Yes $2.71 (LT3932EUFD#PBF)
3LT3922 1 2.8 36 2 40 Boost, Buck, Buck-Boost Yes $2.71 (LT3922EUFD#PBF)
4LT3761A 1 4.5 60 10 100 Boost, Buck, Buck-Boost, LED Driver, Sepic No $3.20 (LT3761AEMSE#PBF)
5LT3761 1 4.5 60 10 100 Boost, Buck, Buck-Boost, LED Driver, Sepic No $3.20 (LT3761EMSE#PBF)
6LT3952 1 3 42 4 60 Boost, Buck, Buck-Boost, LED Driver Yes $3.95 (LT3952EFE#PBF)
7LT3744 1 3.3 36 40 36 Buck, LED Driver No $3.95 (LT3744EUHE#PBF)
8LT8613 1 3.4 42 6 41.58 Buck Yes $5.20 (LT8613EUDE#PBF)
9LT3795 1 4.5 110 10 110 Boost, Buck, Buck-Boost, LED Driver, Sepic No $3.45 (LT3795EFE#PBF)
10LT3797 3 2.5 40 5 100 Boost, Buck, Buck-Boost, LED Driver, Sepic No $4.95 (LT3797EUKG#PBF)
11LT3763 1 6 60 20 55 Buck, LED Driver No $4.45 (LT3763EFE#PBF)
12LT8611 1 3.4 42 2.5 40 Buck Yes $3.80 (LT8611EUDD#PBF)
13LT3745-1 16 6 55 75m 36 Buck, LED Driver Yes $4.95 (LT3745EUJ-1#PBF)
14LT3796 1 6 100 10 100 Boost, Buck, Buck-Boost, LED Driver, Sepic No $3.45 (LT3796EFE-1#PBF)
15LT3745 16 6 55 75m 36 Buck, LED Driver Yes $4.95 (LT3745EUJ#PBF)
16LTM8042-1 1 3 30 350m 32 Boost, Buck, LED Driver Yes $8.76 (LTM8042EV-1#PBF)
17LTM8042 1 3 30 1 32 Boost, Buck, LED Driver Yes $8.76 (LTM8042EV#PBF)
18LT3596 3 6 60 300m 60 Buck, LED Driver Yes $3.65 (LT3596EUHG#PBF)
19LT3746 32 6 55 30m 13 Buck, LED Driver Yes $4.95 (LT3746EUHH#PBF)
20LT3741 1 6 36 25 34 Buck, LED Driver No $3.95 (LT3741EUF#PBF)
21LT3597 3 6 60 100m 57 Buck, LED Driver Yes $3.95 (LT3597EUHG#PBF)
22LT3743 1 6 36 20 30 Buck, LED Driver No $4.80 (LT3743EUFD#PBF)
23LT3519 1 3 30 500m 45 Boost, Buck, Buck-Boost, LED Driver, Sepic Yes $2.50 (LT3519EMS#PBF)
24LTM8040 1 4 36 1 13 Buck, LED Driver Yes $7.45 (LTM8040EV#PBF)
25LT3956 1 4.5 80 1.5 80 Boost, Buck, Buck-Boost, Flyback, LED Driver, Sepic Yes $3.50 (LT3956EUHE#PBF)
26LT3595A 16 4.5 45 50m 45 Buck, LED Driver Yes $6.95 (LT3595AEUHH#PBF)
27LT3756 1 6 100 10 100 Boost, Buck, Buck-Boost, LED Driver, Sepic No $2.90 (LT3756EUD-1#PBF)
28LT3755 1 4.5 40 10 75 Boost, Buck, Buck-Boost, LED Driver, Sepic No $2.75 (LT3755EUD-2#PBF)
29LT3592 1 3.6 36 500m 36 Buck, LED Driver Yes $1.65 (LT3592EDDB#TRPBF)
30LT3492 3 3 30 300m 60 Boost, Buck, Buck-Boost, LED Driver Yes $3.70 (LT3492EUFD#PBF)
31LT3517 1 3 30 1.25 40 Boost, Buck, Buck-Boost, LED Driver Yes $2.70 (LT3517EUF#PBF)
32LT3595 16 4.5 45 50m 45 Buck, LED Driver Yes $6.95 (LT3595EUHH#PBF)
33LT3590 1 4.5 55 50m 55 Buck, LED Driver Yes $1.40 (LT3590ESC8#TRPBF)
34LT3518 1 3 40 1.86 45 Boost, Buck, Buck-Boost, LED Driver Yes $2.95 (LT3518EUF#PBF)
35LT3496 3 3 30 700m 45 Boost, Buck, Buck-Boost, LED Driver Yes $3.50 (LT3496EUFD#PBF)
36LT3476 4 2.8 16 1 36 Boost, Buck, Buck-Boost, LED Driver Yes $4.64 (LT3476EUHF#PBF)
37LT3475-1 2 4 36 1.5 25 Buck, LED Driver Yes $3.50 (LT3475EFE-1#PBF)
38LT3475 2 4 36 1.5 15 Buck, LED Driver Yes $3.56 (LT3475EFE#TRPBF)
39LT3478 1 2.8 36 4.2 42 Boost, Buck, Buck-Boost, LED Driver Yes $3.60 (LT3478EFE-1#PBF)
40LT3474-1 1 4 36 1 26 Buck, LED Driver Yes $2.95 (LT3474EFE-1#PBF)
41LT3474 1 4 36 1 15 Buck, LED Driver Yes $2.95 (LT3474EFE#PBF)
42LT3477 1 2.3 25 2.66 40 Boost, Buck, Buck-Boost, LED Driver Yes $3.15 (LT3477EUF#PBF)
43AD8240 1 9 27---- $1.29 (AD8240YRMZ-R7)
44LT1618 1 1.6 18 1 36 Boost, Flyback, Sepic Yes $1.75 (LT1618EDD#PBF)