z z z z z z z z z z 2.6V to 5.5V Input Range 26V (max) Output with Overvoltage Protection Up to 87% Efficiency Flexible Analog or PWM Dimming Control Internal High Power .
z z z z Cell Phones and Smart Phones PDAs, Palmtops, and Wireless Handhelds e-Books and Subnotebooks White LED Display B.
The EUP2561 is a constant current step-up converter specially designed for driving white LEDs. The step-up converter topology allows series connection of the white LEDs so the LED currents are identical for uniform brightness. The EUP2561 can drive 6.
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