• Part: RT8843D
  • Description: Multi-Phase PWM Controller
  • Manufacturer: Richtek
  • Size: 909.66 KB
RT8843D Datasheet (PDF) Download
Richtek
RT8843D

Description

The RT8843A/RT8843B/RT8843D is a 3/2/1 multiphase synchronous buck controller optimized for highperformance graphic microprocessors and supports the nVidia OVR3i+ specification with a PWM-VID interface. It can support both DrMOS with current output and DCR current sensing.

Key Features

  • Multi-Phase PWM Controller
  • PWM Tri-State Voltage, Pre-Short UVP
  • RT8843A: 1.95V, without Pre-Short UVP
  • RT8843B: 1.65V, without Pre-Short UVP
  • RT8843D: 1.65V, with Pre-Short UVP
  • PWM-VID Dynamic Output Voltage Control
  • Support 1.8V PWM-VID Interface
  • Power State Indicator
  • 1-Phase-DEM, Full-Phase DEM, Full-Phase CCM
  • External Reference Input Control