RT8452 High Voltage High Current LED Driver Controller

Richtek

Description

® RT8452 High Voltage High Current LED Driver Controller for Buck Boost or Buck-Boost Topology General .
The RT8452 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: RT8452
Manufacturer: Richtek
File Size: 321.94 KB
Datasheet: RT8452-Richtek.pdf
Description: High Voltage High Current LED Driver Controller

Features

* z High Voltage Capability : VIN Up to 36V, VOUT Up to 48V z Buck, Boost or Buck-Boost Operation z Current Mode PWM with 350kHz Switching Frenquency z Easy Dimming Control : Analog or Digital Converting to Analog with One External Capacitor z True PWM Dimming : External FET Driver is Build- in z Prog

Applications

* With a current sense amplifier threshold of 190mV, the LED current is programmable with one external current sense resistor. With the maximum operating input voltage of 36V and output voltage up to 48V, the RT8452 is ideal for Buck, Boost or Buck-Boost operation. With 350kHz operating frequency, th

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RT8452 High Voltage High Current LED Driver Controller Richtek

Richtek RT8452-like datasheet