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CAT37

CMOS White LED Driver Boost Converter

CAT37 Features

* s Low quiescent ground current (0.5mA typical) s Power efficiency over 80% s Compatible pinout with LT1937 s Adjustable output current (up to 40mA) s High frequency 1.2MHz operation s Input voltage operation down to 2.5V s Low resistance (0.5Ω) power switch s Drives up to 4 White LEDs in series s Sh

CAT37 General Description

The CAT37 is a DC/DC step up converter that delivers a regulated output current. Operation at a constant switching frequency of 1.2MHz allows the device to be used with very small value external inductor and ceramic capacitors. The CAT37 is targeted to drive multiple white lightemitting diodes (LEDs.

CAT37 Datasheet (168.66 KB)

Preview of CAT37 PDF

Datasheet Details

Part number:

CAT37

Manufacturer:

Catalyst Semiconductor

File Size:

168.66 KB

Description:

Cmos white led driver boost converter.

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TAGS

CAT37 CMOS White LED Driver Boost Converter Catalyst Semiconductor

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