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AS1101 LED Driver IC

80mA 2channel direct LED driver

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The AS1101 is a high efficient direct LED driver. It offers 2 80mA outputs which can be dimmed with an external PWM and adjusted in analog current with a resistor. It only requires 150mV headroom voltage to operate.


Not Recommended for New Designs!

ams AG is discontinuing production of this device. Final lifetime buy order must be placed by June 23, 2017.

Key Features

  • 2 channel 80mA driver
  • 150mV headroom to operate
  • PWM input
  • External resistor

Key Benefits

  • High brightness LEDs
  • Excellent efficiency & battery lifetime
  • High resolution dimming possible
  • Analog dimming or current control

Product Facts

Outputs [#] 2
LED current per output [mA] 80
Features Simple Drive
Error detection -
Read-back -
LED-to-LED matching [%] 3
Supply voltage [V] 2.2 to 3.6
Package SC70-6

Additional Information

  • Small display backlight
  • Keyboard backlight
  • Music player backlight