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TPS60230 White LED Charge Pump Current Source

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Description

TPS60230 www.ti.com SLVS516A * MAY 2004 * REVISED JUNE 2004 WHITE LED CHARGE PUMP CURRENT SOURCE WITH PWM BRIGHTNESS CONTROL FEATUR.
The TPS60230 charge pump is optimized for white LED supplies in backlit color display applications.

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Features

* Regulated Output Current With 0.4% Matching
* Drives up to 5 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 Operati

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 TPS60230-like datasheet