Part RT8480
Description High Voltage Boost/SEPIC Controller
Manufacturer Richtek
Size 315.79 KB
Richtek

RT8480 Overview

Description

The RT8480 is a current mode PWM controller designed to drive an external MOSFET for high current LED applications. With a low side current sense amplifier threshold of 190mV, the LED current is programmable with one external current sense resistor.

Key Features

  • High Voltage Capability : VIN Up to 36V, VOUT is limited by External MOSFET Switch
  • Boost Operation
  • Current Mode PWM with Programmable Switching Frequency
  • Easy Dimming Control : Analog or Digital Converting to Analog with One External Capacitor
  • True PWM Dimming : External FET Driver is Build- In
  • Programmable Soft-Start to Avoid Inrush Current
  • Programmable Over Voltage Protection
  • VIN Under Voltage Lockout and Thermal Shutdown
  • 16-Lead SOP Package
  • RoHS Compliant and Halogen Free