CAT4137 - CMOS Boost Converter - White LED Driver

Catalyst Semiconductor

Datasheet Details

Part number	CAT4137
Manufacturer	Catalyst Semiconductor
File Size	328.03 KB
Description	CMOS Boost Converter - White LED Driver
Datasheet	CAT4137_CatalystSemiconductor.pdf

The CAT4137 is a DC/DC step-up converter that delivers a regulated output current.

Drives up to 5 White LEDs from 3V Power Efficiency up to 87% Low Quiescent Ground Current 0.1mA Adjustable Output Current (up to 30mA) High Frequency 1MHz Operation “Zero” current shutdown mode Operates down to 2V (from two AA batteries) Soft start power-up Open LED low power mode Automatic shutdown at 1.9V (UVLO) Thermal shutdown protection Thin SOT23 5-Lead (1mm max height).

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Published: Apr 19, 2007 |