IR3565BMTRPBF Description

The IR3565BMTRPBF is a dual-loop digital multi-phase buck controller designed for CPU voltage regulation and is fully compliant with AMD^? SVI1 & SVI2 and Intel^? VR12 & VR12.5 specifications.

IR3565BMTRPBF Features

• Dual output 4+2 phase PWM Controller

• Easiest layout and has the fewest pins in the industry

• Fully supports AMD^? SVI1 & SVI2 with dual OCP and Intel^? VR12 & VR12.5

• Complies with VR12.5 Rev 1.3 requirement for SVID register 15h to have <200 μSec filter

• Overclocking & Gaming Mode

• Switching frequency from 200kHz to 2MHz per phase

• IR Efficiency Shaping Features including Dynamic Phase Control and Automatic Power State Switching

• iR Adaptive Transient Algorithm (ATA) on both loops minimizes output bulk capacitors and system cost

• Auto-Phase Detection with auto compensation

• Per-Loop Fault Protection: OVP, UVP, OCP, OTP, CFP

• I2C/SMBus/PMBus system interface for telemetry of Temperature, Voltage, Current & Power for both loops

• Multiple Time Programming (MTP) with integrated charge pump for easy custom configuration

• Compatible with IR ATL and 3.3V tri-state Drivers

• +3.3V supply voltage; -40°C to 85°C ambient operation

• Pb-Free, RoHS, 6x6mm, 48-pin, 0.4mm pitch QFN

IR3565BMTRPBF Applications

AMD^? SVI1 & SVI2, Intel^? VR12 & VR12.5 based systems

Desktop & Notebook CPU VRs

High-Performance Graphics Processors