NCP5890设计的多个LED灯电路图

  作者:dolphin 时间:2012-08-02

NCP5890设计的多个LED灯电路图:This example shows how to provide advanced LCD backlighting control through the use of the NOA1302

ambient light sensor and the NCP5890 LED driver.

NCP5890组成的LED灯电路原理图

Portable LCD Backlight Control via Ambient Light Sensor
This implementation provides:
* I C interface
* Gradual dimming control
* 90% efficiency
* ±1% LED current accuracy
* 30 V maximum string voltage
* 3 segment PWM control
* 1.3 MHz operation

关键词: 电子电路图,NCP5890 LED

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