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CAT3604 - 4-Channel Regulated Charge Pump White LED Driver

Description

The CAT3604 is a charge pump operating in either 1x (LDO) mode or 1.5x fractional mode regulating current through each of the 4 LED pins.

Operation at a fixed high frequency of 1MHz typical allows the use of very small value ceramic capacitors.

Features

  • I I I I I Drives individually up to 4 LEDs Output current up to 30mA per LED Digital control On/Off of each LED Compatible with supply voltage of 3V to 5.5V I I Automatic short circuit detect/disable I High-frequency Operation at 1MHz Low value ceramic capacitors I "604" compatible pinout I Soft start and current limiting I Thin QFN 16-lead package, 4x4mm, 0.8mm max height Power efficiency up to 93% I 2 modes of operation 1x and 1.5x.

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Datasheet Details

Part number CAT3604
Manufacturer Catalyst Semiconductor
File Size 641.71 KB
Description 4-Channel Regulated Charge Pump White LED Driver
Datasheet download datasheet CAT3604 Datasheet

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Full PDF Text Transcription

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www.DataSheet4U.com CAT3604 4-Channel Regulated Charge Pump White LED Driver FEATURES I I I I I Drives individually up to 4 LEDs Output current up to 30mA per LED Digital control On/Off of each LED Compatible with supply voltage of 3V to 5.5V I I Automatic short circuit detect/disable I High-frequency Operation at 1MHz Low value ceramic capacitors I "604" compatible pinout I Soft start and current limiting I Thin QFN 16-lead package, 4x4mm, 0.8mm max height Power efficiency up to 93% I 2 modes of operation 1x and 1.5x APPLICATIONS I Color LCD and keypad Backlighting I Cellular Phones I Handheld Devices I I Digital Cameras I PDAs Portable MP3 players DESCRIPTION The CAT3604 is a charge pump operating in either 1x (LDO) mode or 1.
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