Linear LED Drivers | FAN5640

LED 驱动器，双高压侧恒定电流源

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FAN5640 适用于通过恒定高压侧电流源驱动一个或两个串联的键盘 LED 串。该器件最多可以每沟道 25 mA 的电流驱动四个串联的白色 LED。如果不需要第二沟道，这些沟道则联接在一起将输出电流升压至最高 50 mA。外部电阻可编程最大输出电流。调光可通过启用引脚或输入电源轨的脉冲调制实现。

  • TBA
  • 20V最大驱动输入电平
  • 双通道输出
  • 每通道25mA的驱动能力
  • 每通道两串2-4个LED
  • 外部电阻设置最大电流
  • 快速导通/关断能力
  • 低偏压电流
  • 热关断保护

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IO Max (mA)

LEDs in Series, Max #

LEDs in Parallel, Max #

Reference Price

FAN5640S7X

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CAD Model

Pb

A

H

P

SC-88-6 / SC-70-6 / SOT-363-6

419AD

1

260

REEL

3000

N

20

50

4

2

Price N/A

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