CAT4238 Datasheet - Catalyst Semiconductor

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CAT4238 High Efficiency 10 Led Boost Converter

www.DataSheet4U.com CAT4238 High Efficiency 10 LED Boost Converter .
The CAT4238 is a DC/DC step-up converter that delivers an accurate constant current ideal for driving LEDs.

CAT4238_CatalystSemiconductor.pdf

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Datasheet Details

Part number:

CAT4238

Manufacturer:

Catalyst Semiconductor

File Size:

318.22 KB

Description:

High Efficiency 10 Led Boost Converter

Features

* Drives High Voltage LED strings (38V) Up to 87% Efficiency Low Quiescent Ground Current 0.6mA Adjustable Output Current 1MHz Fixed Frequency Low noise Operation Soft start “in-rush” current

Applications

* The CAT4238 high-voltage output stage is perfect for driving mid-size and large panel displays containing up to ten white LEDs in series. LED dimming can be done by using a DC voltage, a logic signal, or a pulse width modulation (PWM) signal. The shutdown input pin allows the device to be placed in

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