AF5121 Fixed Frequency White LED Step-Up Converter

Description

AF5121 Fixed Frequency White LED Step-Up Converter .
The AF5121 is a step-up DC/DC converter specifically designed to drive up to 6 series white LEDs with constant current.

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AF5121 Datasheet Preview — Preview of AF5121 PDF

Datasheet Specifications

Part number: AF5121
Manufacturer: AFSEMI
File Size: 680.28 KB
Datasheet: AF5121-AFSEMI.pdf
Description: 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

Applications

* Communication equipment
* White LED Backlight Display for PDA
* Pocket PC
* Handheld Devices
* Cellular Phones

AF5121 Distributors

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AF5121 Fixed Frequency White LED Step-Up Converter AFSEMI

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