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RT8885A Datasheet Dual Output 3-Phase + 2-Phase PWM Controller

Manufacturer: Richtek

Overview: ® RT8885A Dual Output 3-Phase + 2-Phase PWM Controller For CPU and GPU Core Power Supply.

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Datasheet Details

Part number RT8885A
Manufacturer Richtek
File Size 734.45 KB
Description Dual Output 3-Phase + 2-Phase PWM Controller
Download RT8885A Download (PDF)

General Description

The RT8885A is a dual output 3-phase + 2-phase PWM controller with 3 integrated MOSFET gate drivers and a single SVID interface for CPU and GPU core power supply.

This part complies with Intel VR12/IMVP7 Pulse Width Modulation Specification.

The RT8885A adopts G-NAVPTM (Green-Native AVP), which is a Richtek proprietary topology derived from finite DC gain compensator in constant ontime control mode.

Key Features

  • Dual Output : 3-Phase (CORE) + 2-Phase (GFX).
  • Integrated MOSFET Drivers : 2 (CORE) + 1 (GFX).
  • VR12/IMVP7 PWM Specification Compliant.
  • Serial VID Interface.
  • G-NAVPTM Topology.
  • Fast Line/Load Transient Response.
  • Quick Response for Load Transient.
  • 0.5% DAC Accuracy.
  • 0.8% System Accuracy.
  • Accurate Current Balance.
  • Selectable Droop Function.
  • Selectable Forced DEM Operation.
  • Built-in ADC for Platform Programming.
  • Power Good Indicat.

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