Datasheet4U Logo Datasheet4U.com

TX5121 - Fixed Frequency WhiteLED Step-Up Converter

General Description

LEDs with constant current.

e need for ballast resistors.

Key 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.

📥 Download Datasheet

Datasheet Details

Part number TX5121
Manufacturer ChipSourceTek
File Size 517.82 KB
Description Fixed Frequency WhiteLED Step-Up Converter
Datasheet download datasheet TX5121 Datasheet

Other Datasheets by ChipSourceTek

Part Number Description

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
TX5121 Fixed Frequency WhiteLED Step-Up Converter 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 Backlight Display for PDA l Pocket PC l Cellular Phones l White LED display backlighting k General Description 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.