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RT3661AB - Dual-Output PWM Controller

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Datasheet Details

Part number RT3661AB
Manufacturer Richtek
File Size 2.13 MB
Description Dual-Output PWM Controller
Datasheet download datasheet RT3661AB Datasheet

General Description

The RT3661AB is a dual-output PWM controller with 2 integrated drivers, and it is compliant with AMD SVI2 Voltage Regulator Specification to support both CPU core (VDD) and Northbridge portion of CPU (VDDNB).

Overview

RT3661AB Dual-Output PWM Controller with 2 Integrated Drivers for AMD SVI2 Mobile CPU Power Supply.

Key Features

  • CCRCOT (Constant Current Ripple Constant On-Time) with G-NAVP (Green-Native AVP), which is Richtek's proprietary topology. G-NAVP makes it an easy setting controller to meet all AMD AVP (Adaptive Voltage Positioning) VDD/VDDNB requirements. The droop is easily programmed by setting the DC gain of the error amplifier. With proper compensation, the load transient response can achieve optimized AVP performance. The controller also uses the interface to issue VOTF Complete and to send digitally enco.

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