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CAT4139 Dataheets PDF



Part Number CAT4139
Manufacturers Catalyst Semiconductor
Logo Catalyst Semiconductor
Description 22V High Current Boost White LED Driver
Datasheet CAT4139 DatasheetCAT4139 Datasheet (PDF)

www.DataSheet4U.com CAT4139 22V High Current Boost White LED Driver FEATURES „ „ „ „ „ „ „ „ „ „ „ 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) DESCRIPTION The CAT4139 is a DC/DC step-up convert.

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