RT8573 High Voltage Boost/SEPIC Controller

Richtek

Description

Preliminary RT8573 High Voltage Boost/SEPIC Controller General .
The RT8573 is a current mode PWM controller designed to drive an external MOSFET for high current LED applications.

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Datasheet Specifications

Part number: RT8573
Manufacturer: Richtek
File Size: 346.47 KB
Datasheet: RT8573-Richtek.pdf
Description: High Voltage Boost/SEPIC Controller

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

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, the external inductor and capacitors can be small while maintaining high frequency. Dimming can be done by either

RT8573 Distributors

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RT8573 High Voltage Boost SEPIC Controller Richtek

Richtek RT8573-like datasheet