CAT37 - CMOS White LED Driver

Product Overview

ON Semiconductor

Datasheet Details

Part number	CAT37
Manufacturer	ON Semiconductor
File Size	312.01 KB
Description	CMOS White LED Driver
Datasheet	CAT37 Datasheet
Additional preview pages of the CAT37 datasheet.

Product details

Description

The CAT37 is a DC/DC step up converter that delivers a regulated output current. emitting diodes (LEDs) connected in series and provides the necessary regulated current to control the brightness and the color purity.

Features

Low Quiescent Ground Current (0.5 mA Typical).
Power Efficiency Over 80%.
Compatible Pinout with LT1937.
Adjustable Output Current (up to 40 mA).
High Frequency 1.2 MHz Operation.
Input Voltage Operation down to 2.5 V.
Low Resistance (0.5 W) Power Switch.
Drives up to 4 White LEDs in Series.
Shutdown Current Less than 1 mA.
Load Fault Protection Against Open.
circuits.
Low Value External Co.

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Published: Aug 10, 2021 |