G5121 Datasheet Fixed Frequency White LED Step-Up Converter

Manufacturer: Global Mixed-mode Technology

Download the G5121 datasheet PDF. This datasheet also includes the G5121-GlobalMixed variant, as both parts are published together in a single manufacturer document.

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G5121 fixed frequency white led step-up converter by Global Mixed-mode Technology - Datasheet Preview — Note: The manufacturer provides a single datasheet file (G5121-GlobalMixed-modeTechnology.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number	G5121
Manufacturer	Global Mixed-mode Technology
File Size	575.43 KB
Description	Fixed Frequency White LED Step-Up Converter
Download	G5121 Download (PDF)

General Description

The G5121 is a step-up DC/DC converter specifically designed to drive up to 5 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 resistors.

The G5121 switches at 1MHz, allowing the use of tiny external components.

Overview

Global Mixed-mode Technology Inc.

G5121 Fixed Frequency White LED Step-Up.

Key Features

Inherently Matched LED Current.
High Efficiency: 87%.
Drives Up to Five LEDs from 2.5V Supply.
24V Internal Power Switch.
Fast 1MHz Switching Frequency.
Uses Tiny 1mm Tall Inductors.
Requires Only 1µF Output Capacitors.
19.5V Over Voltage Protection.
SOT-23-6 Package.

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