UM1351 - Hysteretic Buck High Brightness LED Driver

Union Semiconductor

The UM1351 by Union Semiconductor is a Hysteretic Buck High Brightness LED Driver. Below is the official datasheet preview.

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UM1351 Hysteretic Buck High Brightness LED Driver by Union Semiconductor - Datasheet Preview — Official preview page of the **UM1351** Hysteretic Buck High Brightness LED Driver datasheet (Union Semiconductor).

Datasheet Details

Part number	UM1351
Manufacturer	UniON Semiconductor
File Size	458.64 KB
Description	Hysteretic Buck High Brightness LED Driver
Datasheet	UM1351-UnionSemiconductor.pdf
Additional preview pages of the UM1351 datasheet.

UM1351 Product details

Description

The UM1351 is a PWM step-down converter with internal power switch, designed for driving single or multiple series connected LEDs efficiently from a voltage source higher than the LED voltage.

Features

z Hysteretic Control with High Side Current Sensing z Integrated 35V 0.5Ω NDMOS z Up to 98% Efficiency z Wide Input Voltage Range: 6V to 35V z ± 5% LED Current Accuracy z Adjustable Constant LED Current z Analog or PWM Control Signal for PWM Dimming z Over Temperature, Open Circuit LED Protection z Up to 1MHz Switching Frequency z Pb-Free SOT89-5 and SOT23-5 Packages ________________________________________________________________________ http://www. union-ic. com Rev.04 Apr.2016 1/14 Pin Conf.

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Published: Jan 14, 2019 |