RT4528 Datasheet (Richtek Technology) - High Voltage Buck LED Driver

RT4528, High Voltage Buck LED Driver

The RT4528 is a current-mode LED driver supporting wide input voltage range from 4.5V to 50V and output voltage up to 50V.

With internal 500kHz operating frequency, the size of the external PWM inductor and input/output capacitors can be minimized.

High efficiency is achieved by a 100mV current sens

RT4528 Features

* High Voltage : VIN Up to 50V, VOUT Up to 50V

* Built-In 3A Power Switch

* Current-Mode PWM Control

* 500kHz Fixed Switching Frequency

* Analog or PWM Control Signal for LED Dimming

* Internal Soft-Start to Avoid Inrush Current

* Under-Voltage Lockout

* Thermal Shutd