AF5121 converter equivalent, fixed frequency white led step-up converter.
* Inherently Matched LED Current
* High Efficiency:82%
* Drives Up to Six LEDs from 2.2V
Supply
* 20V Over Voltage Protection
* Fast 1.4MHz Switching.
* Communication equipment
* White LED Backlight Display for PDA
* Pocket PC
* Handheld Devices
* Ce.
The AF5121 is a step-up DC/DC converter specifically designed to drive up to 6 series white LEDs with constant current. Series connection of the LEDs provides identical LED currents resulting in uniform brightness and eliminates the need for ballast .
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