MCP1643 regulator equivalent, 1 mhz low start-up voltage synchronous boost led constant current regulator.
* 1.6A Typical Peak Input Current Limit
* Up to 550 mA LED Load Current
* Low Start-up Voltage: 0.65V (typical, 25 mA LED
Current)
* Low Operating Input V.
* One and Two Cell Alkaline and NiMH/NiCd Portable LED Lighting Products
* LED Flashlight and Head Lamps
* R.
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