ams AS1111 LED Driver IC

Discontinued
×
Discontinued

描述

The AS1111x family are high efficient LED drivers designed to match current source bias for any color LED, including white and blue. The devices can drive up to 4 high-current LEDs, the LED current can be adjusted using an external resistor (RSET) and dimmed with an external PWM signal via pin EN. It only requires 150mV headroom voltage to operate and when the devices are disabled, the supply current drops down to less than 1µA.
产品规格书
AS1111 DS000329
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详情

特点

  • Up to 4 channel 40mA driver
  • 150mV headroom to operate
  • Analog and PWM brightness control
  • No switching noise
  • Less external components needed

优势

  • High brightness LEDs
  • Excellent efficiency & battery lifetime
  • High resolution dimming possible
  • Suitable for EMF sensitive envireonment
  • Small PCB area

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