Part RT8482
Description High Voltage High Current LED Driver Controller
Manufacturer Richtek
Size 263.79 KB
Richtek

RT8482 Overview

Description

The RT8482 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.

Key Features

  • Buck, Boost or Buck-Boost Operation
  • Current Mode PWM with 350kHz Switching Frequency
  • Easy Dimming : Analog, PWM Digital or PWM 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 z 16-Lead WQFN and SOP Packages
  • RoHS Compliant and Halogen Free