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AF5121

AFSEMI
Part Number AF5121
Manufacturer AFSEMI
Description Fixed Frequency White LED Step-Up Converter
Published Dec 18, 2018
Detailed Description AF5121 Fixed Frequency White LED Step-Up Converter Features  Inherently Matched LED Current  High Efficiency:82%  Dr...
Datasheet PDF File AF5121 PDF File

AF5121
AF5121

Overview
AF5121 Fixed Frequency White LED Step-Up Converter Features  Inherently Matched LED Current  High Efficiency:82%  Drives Up to Six LEDs from 2.
2V Supply  20V Over Voltage Protection  Fast 1.
4MHz Switching Frequency  Requires Only 1μF Output Capacitors  SOT-23-6 Package Applications  Communication equipment  White LED Backlight Display for PDA  Pocket PC  Handheld Devices  Cellular Phones  White LED display backlighting General Description 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 f...


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