RT8477A - High Voltage High Multiple-Topology Current LED Driver

Product Overview

Richtek

Datasheet Details

Part number	RT8477A
Manufacturer	Richtek
File Size	196.71 KB
Description	High Voltage High Multiple-Topology Current LED Driver
Datasheet	RT8477A Datasheet
Additional preview pages of the RT8477A datasheet.

Product details

Description

The RT8477A is a current mode PWM controller designed to drive an external MOSFET for high current LED applications with wide input voltage (4.5V to 50V) and output voltage (up to 50V) ranges.

Features

Buck Constant Current Converter.
High Voltage : VIN up to 50V, VOUT up to 50V.
380kHz Fixed Switching Frequency.
Analog or PWM Control Signal for LED Dimming.
Internal Soft-Start to Avoid Inrush Current.
Under-Voltage Lockout.
Thermal Shutdown.

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Published: Mar 1, 2015 |