CP2143 3-Channel Low-Dropout Constant-Current Parallel LED Driver

CHIP

Description

Product Brief CP2143 V1.1 LED Driver Series 3-Channel Low-Dropout Constant-Current Parallel LED Driver with Current Setting Resistor www.datasheet4u.
The CP2143, a 3-channel low-dropout constant-current parallel LED driver, can be used to drive white LED, blue LED or any color LED whose forward oper.

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Datasheet Specifications

Part number: CP2143
Manufacturer: CHIP
File Size: 212.94 KB
Datasheet: CP2143_CHIP.pdf
Description: 3-Channel Low-Dropout Constant-Current Parallel LED Driver

Features

* y y y y y y y y y 38μA supply current, can be powered by a GPIO port low as 2.5V LED’s current set by external resistor, up to 40mA per channel supported Only 150mV dropout voltage needed at 20mA per channel LED current matching: ±0.3% (typical) PWM dimming control or DC voltage control supported Ov

Applications

* y y y y y y Mobile phones Digital still camera MP3 players PDAs GPS receivers Torches Pin Configurations SOT23-6L Package (Top View) EN GND SET 1 6 SOT23-6L Marking LED1 LED2 LED3 2 5 4 CPLSG CPLSG-CP2143ST 3 Copyright ©2006 Chiphomer Technology Limited 1 Product Brief CP2143 V1.1 LED Driv

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CP2143 3-Channel Low-Dropout Constant-Current Parallel LED Driver CHIP

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