ams AS3688 Lighting Management Unit

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描述

The AS3688 is a highly-integrated CMOS power and lighting management unit to supply power to LCD and camera modules in mobile phones. The device incorporates one low power, low-dropout regulator (LDO), one DC-DC step-up converter for white backlight LEDs, one high-power charge pump for camera flash LEDs, support for up to 11 current sinks, a two-wire serial interface, and control logic all onto a single device.

详情

特点

  • High-efficiency DC-DC step-up converter
  • High-efficiency high-power charge pump
  • Supports up to 12 current sinks
  • PWM generation and LED pattern generator

优势

  • Up to 25V/50mA for white LEDs
  • CP output current up to 400mA / 900mA pulsed
  • 2 high voltage current sinks
  • Autonomous logarithmic up/down dimming

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产品规格书

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