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WD3124DA

WillSEMI
Part Number WD3124DA
Manufacturer WillSEMI
Description 1000mA Buck/Boost Charge Pump Flash LED Driver
Published Apr 30, 2017
Detailed Description WD3124DA 1000mA Buck/Boost Charge Pump Flash LED Driver WD3124DA Http//:www.sh-willsemi.com Description The WD3124DA i...
Datasheet PDF File WD3124DA PDF File

WD3124DA
WD3124DA

Overview
WD3124DA 1000mA Buck/Boost Charge Pump Flash LED Driver WD3124DA Http//:www.
sh-willsemi.
com Description The WD3124DA 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 WD3124DA automatically switches modes between step-up and step-down ensuring that LED current does not depend on the forward voltage.
It switches at 2.
2MHz, 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.
The WD3124DA also 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 WD3124DA is available...


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