Part RT8109
Description 5V to 12V Single Synchronous Buck PWM Controller
Manufacturer Richtek
Size 256.79 KB
Richtek

RT8109 Overview

Description

The RT8109 is a single-phase synchronous buck PWM DC-DC controller designed to drive two N-MOSFETs. It provides a highly accurate, programmable output voltage precisely regulated to low voltage requirement with an internal 0.6V ±1% reference.

Key Features

  • Single IC Supply Voltage ( 5V to 12V)
  • Drive Two N-MOSFETs
  • Fixed Operating Frequency at 300kHz
  • Voltage Mode PWM Control with External Feedback Loop Compensation
  • Over Current Protection by Sensing MOSFET RDS(ON)
  • Dual Mode Regulation Control Standalone Mode (FB regulating to close to internal reference 0.6V) Tracking Mode (FB following PI input)
  • Power Good Indication
  • On/Off Control
  • Full 0 to 90% Duty Cycle
  • RoHS Compliant and Halgen Free