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CP2139

Part Number	CP2139
Manufacturer	CHIP
Description	3-Channel Low-Dropout Constant-Current Parallel LED Driver
Published	May 22, 2009
Detailed Description	Product Brief CP2139 V1.1 LED Driver Series 3-Channel Low-Dropout Constant-Current Parallel LED Driver with PWM Dimmin...
Datasheet	CP2139 PDF File

Overview

Product Brief CP2139 V1.
1 LED Driver Series 3-Channel Low-Dropout Constant-Current Parallel LED Driver with PWM Dimming Control www.
datasheet4u.
com General Description The CP2139, a 3-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.
The unique Auto-MirrorTM technology is introduced in CP2139, which can guarantee a constant LED current in various operating conditions.
With the PWM signal on the EN pin, the brightness of LED can be adjusted by the duty cycle.
Without any external components, it is available in a tiny SOT23-6L package and is ideally ...

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