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CAT4240 - 6 Watt Boost LED Driver

Catalyst Semiconductor

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Datasheet Details

Part number	CAT4240
Manufacturer	Catalyst Semiconductor
File Size	423.78 KB
Description	6 Watt Boost LED Driver
Datasheet	CAT4240_CatalystSemiconductor.pdf

CAT4240 Product details

Description

The CAT4240 is a DC/DC step-up converter that delivers an accurate constant current ideal for driving LEDs.

Features

Switch Current Limit 750mA Drives High Voltage LED strings (38V) 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 Thin SOT23 5-Lead (1mm max height).

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Published: Aug 14, 2007 |