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CP2137

Part Number	CP2137
Manufacturer	CHIP
Description	4-Channel LED Driver
Published	May 22, 2009
Detailed Description	Product Brief CP2137 V1.0 DC/DC Series 4-Channel LED Driver with Adaptive Charge Pump Current Source General www.data...
Datasheet	CP2137 PDF File

Overview

Product Brief CP2137 V1.
0 DC/DC Series 4-Channel LED Driver with Adaptive Charge Pump Current Source General www.
datasheet4u.
com Description The CP2137 is optimized for white LED supplies in backlight color display applications.
The device provides a constant current, set by an external resistor, for each LED.
The supply voltage ranges from 2.
7 V to 5.
5 V and is ideally suited for all applications powered by a single LI-Ion battery cell.
The CP2137 provides up to 30 mA per LED, for a total of 120 mA, for input voltages ranging from 3 V to 5.
5 V.
High efficiency is achieved by utilizing a 1x/1.
5x adaptive fractional conversion technique in combination with very low dropout current sources...

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