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MIC2860-D - High Efficiency 2 Channel WLED Driver

General Description

The MIC2860-2D is a high efficiency White LED (WLED) driver designed to drive two WLEDs and greatly extend battery life for portable display backlighting, and keypad backlighting in low cost mobile devices.

Key Features

  • a typical dropout of 52mV at 30.2mA per channel. This allows the WLEDs to be driven directly from the battery eliminating switching noise and losses present with the use of boost circuitry. The two channels have better than ±0.5% matching, which ensures uniform display illumination under all conditions. The WLEDs brightness is externally preset by a resistor and dimmed using a single wire digital control signal. The MIC2860-2D single wire digital interface accepts digital programming pulses prov.

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Datasheet Details

Part number MIC2860-D
Manufacturer Micrel Semiconductor
File Size 315.79 KB
Description High Efficiency 2 Channel WLED Driver
Datasheet download datasheet MIC2860-D Datasheet

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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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MIC2860-D High Efficiency 2 Channel WLED Driver with Single Wire Digital Control General Description The MIC2860-2D is a high efficiency White LED (WLED) driver designed to drive two WLEDs and greatly extend battery life for portable display backlighting, and keypad backlighting in low cost mobile devices. The MIC2860-2D architecture provides the highest possible efficiency by eliminating switching losses present in traditional charge pumps or inductive boost circuits. It features a typical dropout of 52mV at 30.2mA per channel. This allows the WLEDs to be driven directly from the battery eliminating switching noise and losses present with the use of boost circuitry. The two channels have better than ±0.5% matching, which ensures uniform display illumination under all conditions.