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AS1103 LED Driver IC

40mA 4channel direct LED driver IC

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The AS1103 is a high efficient direct LED driver IC. It offers 4 40mA outputs which can be adjusted in analog current with an 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

  •  4 channel 40mA driver
  • 150mV headroom to operate
  • External Resitor

Key Benefits

  • High Brightness LEDs
  • Excellent efficiency & battery lifetime
  • Anaolg dimming or current control

Product Facts

Outputs [#] 4
LED current per output [mA] 40
Features Simple Drive
Error detection
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