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AHK3294 - Four-Channel LED Driver

General Description

The AHK3294 is a linear current-sink LED driver, capable of driving one, two, three or four LEDs up to 30.2mA each.

Key Features

  • 2.7V to 5.5V Input Supply Range.
  • Drives up to 4 LEDs at up to 30.2mA each.
  • Low-Dropout, Low.

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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 AHK3294 is a linear current-sink LED driver, capable of driving one, two, three or four LEDs up to 30.2mA each. Featuring individual low resistance, low drop-out voltage current sinks, the AHK3294 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. For flexible control the maximum LED current of up to 30.2mA per channel is set via an external resistor.