CP2140 - 4-Channel Low-Dropout Constant-Current Parallel LED Driver

CHIP

CP2140 Datasheet Preview — Preview of CP2140 PDF

Datasheet Details

Part number	CP2140
Manufacturer	CHIP
File Size	108.82 KB
Description	4-Channel Low-Dropout Constant-Current Parallel LED Driver
Datasheet	CP2140_CHIP.pdf

CP2140 Product details

Description

The CP2140, a 4-channel low-dropout constant-current parallel LED driver, can be used to drive white LED, red LED, blue LED or any color LED whose forward operating voltage is lower than the battery voltage.

Features

y y y y y y y y y y y No external component required 20mA full scale current per channel Only 100mV dropout voltage needed at 20mA per channel LED current matching: ±2% (typical) PWM dimming control is supported (0~100kHz) Over 90% efficiency can be reached No EMI and switch noise Thermal shutdown protection Supply voltage range: 2.7~5.5V Shutdown current Less than 0.1µA RoHS compliant and 100% lead(Pb)-free.

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Published: May 22, 2009 |