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UM1351 - Hysteretic Buck High Brightness LED Driver

UM1351 Description

UM1351 Hysteretic Buck High Brightness LED Driver with Internal Switch UM1351Y SOT89-5 UM1351S SOT23-5 General .
The UM1351 is a PWM step-down converter with internal power switch, designed for driving single or multiple series connected LEDs efficiently from a.

UM1351 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

UM1351 Applications

* requiring a wide input range. The high side current sensing and an integrated current sensing circuitry minimize the number of external components while delivering an accurate average output current. Depending upon supply voltage and external components, this device can provide up to 24 watts of out

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Hysteretic Buck High Brightness LED Driver Union Semiconductor
Union Semiconductor UM1351-like datasheet