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CP2133 - High Efficiency 1X/1.5X Fractional Charge Pump

Datasheet Summary

Features

  • z z z z z z z Drives up to 4 LEDs at 30 mA Each Regulated Output Current With 0.5% Matching Over Temperature LED Brightness Control Through PWM Control Signal（0Hz～50KHz） Low Input Ripple and Low EMI Over-current and Over-temperature Protected Less than 0.1μA Quiescent Current In Shutdown Mode RoHS Compliant and 100% Lead (Pb)-Free Pin Diagram (Top View) C2+ C1+ C212 11 10 VIN 9 C1- 13 8 VOUT PGND D1 D2 GND EN1 EN2 14 7 CP2133 15 6 16 5 1 2 3 Copyright ©2005 Chiphomer Technology.

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Datasheet Details

Part number CP2133
Manufacturer Chiphomer
File Size 108.33 KB
Description High Efficiency 1X/1.5X Fractional Charge Pump
Datasheet download datasheet CP2133 Datasheet
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    www.DataSheet4U.com Product Brief CP2133 DC/DC Series High Efficiency 1X/1.5X Fractional Charge Pump for White LED OVERVIEW The CP2133 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 or three to four NiCd, NiMH, or Alkaline 3mm*3mm QFN 16L -40℃～85℃ battery cells. The CP2133 provides up to 30 mA per LED, for a total of 120 mA, for input voltage rang 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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