UM1361S Datasheet (Union Semiconductor) - Hysteretic Buck High Brightness LED Driver

UM1361S, Hysteretic Buck High Brightness LED Driver

The UM1361S 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.

The device operates from an input supply between 6V and 40V and employs hysteretic control with a high si

UM1361S Features

* z Hysteretic Control with High Side Current Sensing z Integrated 40V 0.5Ω NDMOS z > 90% Efficiency z Wide Input Voltage Range: 6V to 40V 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 t