RT8494
Overview
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.
- 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-Start to Avoid Inrush Current
- Programmable Over-Voltage Protection
- VIN Under-Voltage Lockout and Thermal Shutdown
- AEC-Q100 Compliance
