LT3591是Linear公司的一款升压型 LED 驱动器产品，LT3591是White LED Driver with Integrated Schottky in 3mm x 2mm DFN，本站介绍了LT3591的封装应用图解、特点和优点、功能等，并给出了与LT3591相关的凌力尔特元器件型号供参考。
LT3591 - White LED Driver with Integrated Schottky in 3mm x 2mm DFN
LT3591 - White LED Driver with Integrated Schottky in 3mm x 2mm DFN - Linear Technology（凌力尔特）
The LT3591 is a fixed frequency step-up DC/DC converter speci? cally designed to drive up to ten white LEDs in series from a Li-Ion cell. Series connection of the LEDs provides identical LED currents resulting in uniform brightness and eliminating the need for ballast resistors. The device features a unique high side LED current sense that enables the part to function as a “one wire current source;” one side of the LED string can be returned to ground anywhere, allowing a simpler one wire LED connection. Traditional LED drivers use a grounded resistor to sense LED current, requiring a 2-wire connection to the LED string.
The high switching frequency allows the use of tiny inductors and capacitors. A single pin performs both shutdown and accurate LED dimming control. Few external components are needed: open-LED protection and the Schottky diode are all contained inside a low pro? le 3mm × 2mm DFN package.
| 器件型号 | 封装 | 温度 | 价格 (以 1 ~ 99 片为批量) | 价格 (以 1000 片为批量) |
|---|---|---|---|---|
| LT3591EDDB | 3x2 DFN-8 | E | $2.00 | |
| LT3591EDDB#PBF | 3x2 DFN-8 | E | $2.00 | |
| LT3591EDDB#TRMPBF | 3x2 DFN-8 | E | $2.00 | $1.45 |
| LT3591EDDB#TRPBF | 3x2 DFN-8 | E | $2.00 | $1.40 |
