TX5121 Datasheet - ChipSourceTek

TX5121 - Fixed Frequency WhiteLED Step-Up Converter

The TX5121 is a step-up DC/DC converter e specifically designed to drive up to 5 series white LEDs with constant current. Series connection of T the LEDs provides identical LED currents resulting in uniform brightness and eliminates the e need for ballast resistors. The TX5121 switches at 1.4MHz, .

TX5121 Features

* l Inherently Matched LED Current l High Efficiency:82% l Drives Up to Five LEDs from 2.2V Supply l 17V Over Voltage Protection l Fast 1.4MHz Switching Frequency l Requires Only 1μF Output Capacitors l SOT-23-6 Package Applications l Communication equipment l Handheld Devices l White LED Backlig

TX5121-ChipSourceTek.pdf

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Datasheet Details

Part number:

TX5121

Manufacturer:

ChipSourceTek

File Size:

517.82 KB

Description:

Fixed frequency whiteled step-up converter.

TX5121 Distributor

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TX5121 Fixed Frequency WhiteLED Step-Up Converter ChipSourceTek