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AHK3293 - Three-Channel 1x LED Driver

General Description

The AHK3293 is a linear current-sink LED driver, capable of driving one, two or three LEDs up to 30.2mA each.

Key Features

  • 2.7V to 5.5V Input Supply Range.
  • Drives up to 3 LEDs at up to 30.2mA each.
  • Low-Dropout, Low Resistance.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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General Description The AHK3293 is a linear current-sink LED driver, capable of driving one, two or three LEDs up to 30.2mA each. Featuring individual low resistance, low drop-out voltage current sinks, the AHK3293 allows the LEDs to be regulated directly from a Lithium Ion/Polymer battery without the need for an additional step-up power supply, thereby reducing the external component count, eliminating switching noise and maximizing efficiency. Skyworks' Simple Serial Control™ (S2Cwire™) interface is used to enable, disable, and set the LED drive current for 32-level linear scale LED brightness control. To minimize the use of external components the LED current is set internally to a maximum of 30.2mA.