RT8485 Overview
Description
The RT8485 is a current-mode PWM controller designed to drive an external MOSFET for high current LED applications. With a current sense amplifier threshold of 315mV, the LED current is adjustable with one external current sense resistor.
Key Features
- High Voltage Capability : VIN Up to 36V, LED Sensing Threshold Common Mode Voltage Up to 150V
- Buck, Boost or Buck-Boost Operation
- Adjustable Switching Frequency
- Easy Dimming Control : Analog or Digital Converting to Analog with One External Capacitor
- Adjustable Soft-Start to Avoid Inrush Current
- Adjustable Over-Voltage Protection
- VIN Under-Voltage Lockout and Thermal Shutdown
- RoHS Compliant and Halogen Free
