RT8573 Datasheet - Richtek

RT8573 High Voltage Boost/SEPIC Controller

The RT8573 is a current mode PWM controller designed to drive an external MOSFET for high current LED applications. With a low side current sense amplifier threshold of 190mV, the LED current is programmable with one external current sense resistor. With programmable operating frequency up to 800kHz.

RT8573 Features

* z High Voltage Capability : VIN Up to 36V, VOUT is limited by External MOSFET Switch z Boost Operation z Current Mode PWM with Programmable Switching Frequency z Easy Dimming Control : Analog or Digital Converting to Analog with One External Capacitor z True PWM Dimming : External FET Driver is Buil

RT8573-Richtek.pdf