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CAT3604 Driver Datasheet PDF

4-Channel Regulated Charge Pump White LED Driver

4-Channel Regulated Charge Pump White LED Driver

 

 

 

Part Number CAT3604
Description 4-Channel Regulated Charge Pump White LED Driver
Feature www.
DataSheet4U.
com CAT3604 4-Channel R egulated Charge Pump White LED Driver F EATURES 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 3 V to 5.
5V I I Automatic short circuit detect/disable I High-frequency Operat ion at 1MHz Low value ceramic capacitor s I "604" compatible pinout I Soft star t and current limiting I Thin QFN 16-le ad package, 4x4mm, 0.
8mm max height Po wer efficiency up to 93% I 2 modes of o peration 1x and 1.
5x APPLICATIONS I C olor LCD and keypad Backlighting I Cell ular Phones I .
Manufacture Catalyst Semiconductor
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CAT3604

 

 

 


 

 

 

Part Number CAT3604
Description 4-Channel Regulated Charge Pump White LED Driver
Feature CAT3604 4-Channel Regulated Charge Pump White LED Driver Description The CAT36 04 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 f requency of 1 MHz typical allows the us e of very small value ceramic capacitor s.
The CAT3604 drives white light-emitt ing diodes (LEDs) connected in parallel and provides tightly matched regulated current to achieve uniformity of brigh tness in LCD backlighting applications.
An external resistor RSET controls the output current level.
LED currents of up to 30 mA ar .
Manufacture ON Semiconductor
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