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TPS60231 White LED Charge Pump Current Source

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Description

TPS60231 www.ti.com SLVS544A * OCTOBER 2004 * REVISED FEBRUARY 2010 WHITE LED CHARGE PUMP CURRENT SOURCE WITH PWM BRIGHTNESS CONTROL.
The TPS60231 charge pump is optimized for white LED supplies in color display backlight applications.

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Features

* 1
* Regulated Output Current With 0.4% Matching
* Drives up to 3 LEDs at 25 mA Each
* LED Brightness Control Through PWM Control Signal
* High Efficiency by Fractional Conversion With 1x and 1.5x Modes
* 1 MHz Switching Frequency
* 2.7 V to 6.5 V Opera

Applications

* White LED Backlight for Color Displays in Cellular Phones, Smart Phones, PDAs, Handheld PCs, Digital Cameras, and Camcorders

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White LED Charge Pump Current Source Texas Instruments
Texas Instruments TPS60231-like datasheet