RT8475 Datasheet - Richtek

RT8475 High Voltage High Current LED Driver Controller

The RT8475 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 .

RT8475 Features

* z High Voltage Capability : VIN Up to 36V, LED Sensing Threshold Common Mode Voltage Up to 90V z Buck, Boost or Buck-Boost Operation z Programmable Switching Frequency z Easy Dimming Control : Analog or Digital Converting to Analog with One External Capacitor z Programmable Soft-Start to Avoid Inrus

RT8475-Richtek.pdf