RT8494 Datasheet - Richtek

RT8494 High Voltage High Current LED Driver Controller

The RT8494 is a current mode PWM controller designed to drive an external MOSFET for high current LED 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 .

RT8494 Features

* High Voltage Capability : VIN up to 36V, LED Sensing Threshold Common Mode Voltage up to 90V

* Buck, Boost or Buck-Boost Operation

* Programmable Switching Frequency

* Easy Dimming Control : Analog or Digital Converting to Analog with One External Capacitor

* Programmable Soft-

RT8494-Richtek.pdf