RT4533 Datasheet - Richtek

RT4533 - Asynchronous Boost Converter

The RT4533/A is a highly integrated LED driver IC capable of driving 10 WLEDs in series. It is composed of a current mode Boost converter integrated with a 36.5V/1.2A power switch. The RT4533/A supports a wide input voltage range from 2.5V to 5.5V and runs at a fixed frequency of 1.1MHz. The LED cur.

RT4533 Features

* 2.5V to 5.5V Input Voltage Range

* 36.5V Open LED Protection for 10 WLEDs

* PWM Dimming Brightness Control

* 200mV / 300mV Reference Voltage with ±2% Accuracy

* 1.1MHz Switching Frequency

* Built-In Soft-Start

* Over-Temperature Protection

* Internal Compensation

RT4533-Richtek.pdf