CAT4139 - 22V High Current Boost White LED Driver

Catalyst Semiconductor

The CAT4139 by Catalyst Semiconductor is a 22V High Current Boost White LED Driver. Below is the official datasheet preview.

Datasheet Details

Part number	CAT4139
Manufacturer	Catalyst Semiconductor
File Size	307.30 KB
Description	22V High Current Boost White LED Driver
Datasheet	CAT4139_CatalystSemiconductor.pdf
Additional preview pages of the CAT4139 datasheet.

The CAT4139 is a DC/DC step-up converter that delivers an accurate constant current ideal for driving LEDs.

Switch Current Limit 750mA Drives LED strings up to 22V Up to 87% Efficiency Low Quiescent Ground Current 0.6mA 1MHz Fixed Frequency Low noise Operation Soft start “in-rush” current limiting Shutdown current less than 1μA Open LED Overvoltage Protection Automatic Shutdown at 1.9V (UVLO) Thermal overload protection TSOT-23 5-Lead (1mm max height).

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Published: Jun 27, 2009 |