LED 驱动器 IC
Analog Devices 拥有门类非常宽泛的 LED 驱动器 IC 产品，适用于汽车、显示器背光照明、手持式和一般照明应用。它们可被配置为无电感器型白光 LED 驱动器 (用于并联的 LED) 或基于开关稳压器的白光 LED 驱动器 (用于串联的 LED)。拓扑包括升压稳压器 LED 驱动器、降压稳压器 LED 驱动器、降压-升压 LED 驱动器、SEPIC 拓扑 LED 驱动器 … 等等。不管采用何种拓扑，这些 LED 驱动器 IC 均可提供最高的效率、最低的噪声和最小的占板面积。我们 LED 驱动器产品库的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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技术文章
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- 具集成型电压限制功能的 3A、1MHz 降压模式 LED 驱动器
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- 60V、2MHz 降压-升压型控制器调节高功率电压和电流并具有高效率和低 EMI
- 低 EMI LED 驱动器具有用于汽车照明的 2A、40V、集成型同步开关
- 前进，LED 向前进 PDF
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LT Journal
应用笔记
- AN117 - DC/DC uModule Regulator Printed Circuit Board Design Guidelines PDF
- AN115 - LTC3220/LTC3220-1 User’s Guide PDF
- AN111 - LTC3219 User PDF
- AN108 - LTC3207/LTC3207-1 Users Guide PDF
- AN95 - Simple Circuitry for Cellular Telephone/Camera Flash Illumination: A Practical Guide for Successfully Implementing Flashlamps PDF
解决方案通报和手册
LED 驱动器 IC
| SortOrder | Part# | Number of Outputs | Vin (min) (V) | Vin (max) (V) | Switch Current (typ) (A) | Topology | Max Number of LEDs | Vout Max (typ) (V) | Price (1000+) ($ US) |
|---|---|---|---|---|---|---|---|---|---|
| 1 | LT3942 | 1 | 3 | 36 | 2.5 | Buck-Boost | Up to 36V | 36 | $2.95 (LT3942EUFD#PBF) |
| 2 | LT3952A | 1 | 3 | 42 | 4.5 | Boost, Buck, Buck-Boost, LED Driver | Up to 60V | 60 | $2.95 (LT3952AEFE#PBF) |
| 3 | LT3762 | 1 | 2.5 | 38.5 | 10 | Boost, LED Driver | Up to 60V | 60 | $2.71 (LT3762EUFD#PBF) |
| 4 | LTM8005 | 1 | 5 | 38 | 10 | Boost, LED Driver | Up to 38V | 38 | $9.95 (LTM8005EY#PBF) |
| 5 | LT8391A | 1 | 4 | 60 | 25 | Buck-Boost, LED Driver | 25+ | 60 | $3.23 (LT8391AEUFD#PBF) |
| 6 | LT3964 | 2 | 4 | 36 | 1.8 | Buck, LED Driver | 2 x 10+ | 35.64 | $4.50 (LT3964EUHE#PBF) |
| 7 | LT3932 | 1 | 3.6 | 36 | 3 | Buck, LED Driver | 10 | 36 | $2.71 (LT3932EUFD#PBF) |
| 8 | LT3922-1 | 1 | 2.8 | 36 | 2.3 | Boost, Buck, Buck-Boost | Up to 34V | 40 | $2.71 (LT3922EUFD-1#PBF) |
| 9 | LT3922 | 1 | 2.8 | 36 | 2.3 | Boost, Buck, Buck-Boost | Up to 34V | 40 | $2.71 (LT3922EUFD#PBF) |
| 10 | LT8391 | 1 | 4 | 60 | 25 | Buck-Boost, LED Driver | 25+ | 60 | $3.23 (LT8391EUFD#PBF) |
| 11 | LT3761A | 1 | 4.5 | 60 | 25 | Boost, Buck, Buck-Boost, LED Driver, Sepic | 25+ | 100 | $3.20 (LT3761AEMSE#PBF) |
| 12 | LT3965 | 8 | 8 | 60 | 330m | Matrix LED Dimmer | 8+ | 60 | $3.95 (LT3965EFE#PBF) |
| 13 | LT3909 | 2 | 2.9 | 40 | 1.1 | Boost, LED Driver | 2 x 10 | 36 | $2.50 (LT3909EDD#PBF) |
| 14 | LT3761 | 1 | 4.5 | 60 | 25 | Boost, Buck, Buck-Boost, LED Driver, Sepic | 25+ | 100 | $3.20 (LT3761EMSE#PBF) |
| 15 | LT3744 | 1 | 3.3 | 36 | 40 | Buck, LED Driver | Up to 36V | 36 | $3.95 (LT3744EUHE#PBF) |
| 16 | ADP8140 | 4 | 3 | 30 | - | Current Sink LED Driver | 4 x 8 | 3.15 | $2.19 (ADP8140ACPZ-1-R7) |
| 17 | LT8613 | 1 | 3.4 | 42 | 9.7 | Buck | Up to 42V | 41.58 | $5.20 (LT8613EUDE#PBF) |
| 18 | LT3795 | 1 | 4.5 | 110 | 25 | Boost, Buck, Buck-Boost, LED Driver, Sepic | 25+ | 110 | $3.45 (LT3795EFE#PBF) |
| 19 | ADD5211 | 4 | 4.5 | 40 | - | Boost, LED Driver | 4 x 10 | 80 | - |
| 20 | LT3955 | 1 | 4.5 | 60 | 4.2 | Boost, Buck, Buck-Boost, LED Driver, Sepic | 25+ | 80 | $3.75 (LT3955EUHE#PBF) |
| 21 | LT3954 | 1 | 4.5 | 40 | 6.3 | Boost, Buck, Buck-Boost, LED Driver, Sepic | 10 | 40 | $3.60 (LT3954EUHE#PBF) |
| 22 | LT3797 | 3 | 2.5 | 40 | 20 | Boost, Buck, Buck-Boost, LED Driver, Sepic | 25+ | 100 | $4.95 (LT3797ELXE#PBF) |
| 23 | LT3763 | 1 | 6 | 60 | 20 | Buck, LED Driver | 25+ | 55 | $2.28 (LT3763EFE#PBF) |
| 24 | ADP1660 | 2 | 2.7 | 5 | - | Flash LED Driver | 2 (parallel) | 5 | $0.95 (ADP1660ACBZ-R7) |
| 25 | LT8611 | 1 | 3.4 | 42 | 4.8 | Buck | Up to 42V | 40 | $3.80 (LT8611EUDD#PBF) |
| 26 | LT3745-1 | 16 | 6 | 55 | - | Buck, LED Driver | 16 x 10 | 36 | $4.95 (LT3745EUJ-1#PBF) |
| 27 | ADP1649 | 1 | 2.7 | 5 | - | Flash LED Driver | 1 | 5.3 | $0.90 (ADP1649ACBZ-R7) |
| 28 | LT3796 | 1 | 6 | 100 | 25 | Boost, Buck, Buck-Boost, LED Driver, Sepic | 25+ | 100 | $3.45 (LT3796EFE#PBF) |
| 29 | LT3791 | 1 | 4.7 | 60 | 25 | Buck-Boost, LED Driver | 100W+ | 60 | $4.75 (LT3791EFE#PBF) |
| 30 | LT3745 | 16 | 6 | 55 | - | Buck, LED Driver | 16 x 10 | 36 | $4.95 (LT3745EUJ#PBF) |
| 31 | ADD5205 | 4 | 2.8 | 18 | - | Boost, LED Driver | 4 x 5 | - | - |
| 32 | LT8500 | 48 | 3 | 5.5 | - | PWM Generator | - | - | $2.95 (LT8500ETJ#PBF) |
| 33 | ADP8866 | 9 | 2.5 | 5.5 | - | Charge Pump | 9 (parallel) | 5.5 | $0.99 (ADP8866ACPZ-R7) |
| 34 | LTC3799-1 | 1 | - | - | - | Flyback, LED Driver | Offline 4W to 100W+ LED Application | - | $2.25 (LT3799EMSE-1#PBF) |
| 35 | ADP8870 | 7 | 2.5 | 5.5 | - | Charge Pump | 7 (parallel) | 5.5 | $0.99 (ADP8870ACBZ-R7) |
| 36 | LTM8042-1 | 1 | 3 | 30 | 350m | Boost, Buck, LED Driver | 10 | 32 | $8.76 (LTM8042EV-1#PBF) |
| 37 | LTM8042 | 1 | 3 | 30 | 1 | Boost, Buck, LED Driver | 10 | 32 | $8.76 (LTM8042EV#PBF) |
| 38 | LTC3675 | 7 | 2.7 | 5.5 | 2.8 | Buck, LED Driver | 10 | 5.5 | $5.05 (LTC3675EUFF#PBF) |
| 39 | ADD5203 | 8 | 6 | 21 | - | Boost, LED Driver | 8 x 10 | 45 | - |
| 40 | LT3596 | 3 | 6 | 60 | 1 | Buck, LED Driver | 3 x 10 | 60 | $3.65 (LT3596EUHG#PBF) |
| 41 | ADP8863 | 7 | 2.5 | 5.5 | - | Boost, LED Driver | 7 (parallel) | 5.5 | $0.99 (ADP8863ACBZ-R7) |
| 42 | ADP8861 | 7 | 2.5 | 5.5 | - | Boost, LED Driver | 7 (parallel) | 5.5 | $0.99 (ADP8861ACBZ-R7) |
| 43 | ADP1650 | 1 | 2.7 | 5 | - | Flash LED Driver | 1 | 5.3 | $0.95 (ADP1650ACBZ-R7) |
| 44 | LT3799 | 1 | - | - | - | Flyback, LED Driver | Offline 4W to 100W+ LED Application | - | $2.25 (LT3799EMSE#PBF) |
| 45 | LT3746 | 32 | 6 | 55 | - | Buck, LED Driver | 32 x 3 | 13 | $4.95 (LT3746EUHH#PBF) |
| 46 | LT3741 | 1 | 6 | 36 | 25 | Buck, LED Driver | 10 | 34 | $3.95 (LT3741EUF#PBF) |
| 47 | LT3597 | 3 | 6 | 60 | 510m | Buck, LED Driver | 3 x 10 | 57 | $3.95 (LT3597EUHG#PBF) |
| 48 | LT3760 | 8 | 6 | 40 | 500m | Boost, LED Driver | 8 x 10 | 45 | $4.25 (LT3760EFE#PBF) |
| 49 | LT3743 | 1 | 6 | 36 | 20 | Buck, LED Driver | 10 | 30 | $4.80 (LT3743EUFD#PBF) |
| 50 | ADD5207 | 4 | 2.6 | 21 | - | Boost, LED Driver | 4 x 8 | 36 | - |
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