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WD3609DC - 800mA Buck/Boost Charge Pump Flash LED Driver

Description

The WD3609DC is a current-regulated charge pump ideal for powering high brightness LEDs for camera flash applications.

The charge pump can be set to regulate two current levels for FLASH and TORCH modes.

Features

  • a very low shutdown current, an automatic soft-start mode to limit inrush current, as well as over current, over voltage and over-Thermal shutdown control. A low current sense reference voltage (50mV) allows the use of small 0603 current sensing resistors. The WD3609DC is available.

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Datasheet Details

Part number WD3609DC
Manufacturer WillSEMI
File Size 590.73 KB
Description 800mA Buck/Boost Charge Pump Flash LED Driver
Datasheet download datasheet WD3609DC Datasheet

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Full PDF Text Transcription

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WD3609DC 800mA Buck/Boost Charge Pump Flash LED Driver WD3609DC Http//:www.sh-willsemi.com Description The WD3609DC is a current-regulated charge pump ideal for powering high brightness LEDs for camera flash applications. The charge pump can be set to regulate two current levels for FLASH and TORCH modes. The WD3609DC automatically switches modes between step-up and step-down ensuring that LED current does not depend on the forward voltage. It switches at 2.4MHz, allowing the use of tiny components. The supply voltage ranges from 2.7V to 5.5V and is ideally suited for all applications powered by a single LI-Ion battery cell or three to four NiCd, NiMH, or Alkaline battery cells.
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