Dual Output Digital Multi-Phase Controller

FEATURES

IR3567B

DESCRIPTION

 Dual output 6+2 phase PWM Controller

The IR3567B is a dual-loop digital multi-phase buckcontroller designed for CPU voltage regulation and isfully compliant with AMD® SVI1 & SVI2 and Intel©
VR12 & VR12.5 specifications.

 Easiest layout and 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 2MHzper phase IR Efficiency Shaping Features including
Dynamic Phase Control and Automatic Power
State Switching IR Adaptive Transient Algorithm (ATA) on bothloops minimizes output bulk capacitors andsystem cost
 Auto-Phase Detection with auto-compensation
 Per-Loop Fault Protection: OVP, UVP, OCP,OTP, CFP I2C/SMBus/PMBus system interface fortelemetry of Temperature, Voltage, Current &Power forboth loops

The IR3567B includes IR’s Efficiency Shaping
Technology to deliver exceptional efficiency atminimum cost across the entire load range. IR VariableGate Drive optimizes the MOSFET gate drive voltage
based on real-time load current. IR’s Dynamic Phase
Control adds/drops active phases based upon load
current and can be configured to enter 1-phase
operation and diode emulation mode automatically orby command.
IR’s unique Adaptive Transient Algorithm (ATA), basedon proprietary non-linear digital PWM algorithms,
minimizes output bulk capacitors and Multiple Time
Programmable (MTP) storage saves pins and enables
a small package size. Device configuration and fault
parameters are easily defined using the IR Digital
Power Design Center (DPDC) GUI and stored in onchip MTP.
The IR3567B provides extensive OVP, UVP, OCP andOTP fault protection and includes thermistor based
temperature sensing with VRHOT signal.

 Multiple Time Programming (MTP) withintegrated charge pump for easy custom
configuration

The IR3567B includes numerous features like register
diagnostics for fast design cycles and platform
differentiation, simplifying VRD design and enabling
fastest time-to-market (TTM) with “set-and-forget”
methodology.

 Compatible with IR ATL and 3.3V tri-stateDrivers
 +3.3V supply voltage; -40°C to 85°C ambient
operation
 Pb-Free, RoHS, 7x7mm, 56-pin, 0.4mm pitch
QFN

APPLICATIONS AMD® SVI1 & SVI2, Intel® VR12 & VR12.5
based systems
 Desktop & Notebook CPU VRs
 High Performance Graphics Processors

ORDERING INFORMATION
Base Part
NumberPackage Type

IR3567B

Standard Pack
Form

Quantity

Orderable
Part Number

QFN 7 mm x 7 mm

Tape and Reel

3000

IR3567BMxxyyTRP

IR3567BQFN 7 mm x 7 mm

Tape and Reel

3000

IR3567BMTRPBF

IR3567BQFN 7 mm x 7 mm

Tray

2600

IR3567BMTYPBF1Notes:
1. Customer Specific Configuration File, where xx = Customer ID and yy = Configuration File (Codes assigned by IR Marketing).

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www.irf.com | © 2013 International Rectifier

August 1, 2013 | V1.04

Dual Output Digital Multi-Phase Controller

IR3567B

ORDERING INFORMATION
IR3567BM         

P/PBF – Lead FreeTR – Tape & Reel / TY - Tray
yy – Configuration File ID
xx – Customer ID

IRTN6

IRTN1

ISEN1

IRTN2

ISEN2

IRTN3

ISEN3IRTN4

ISEN4IRTN5ISEN5IRTN2_L2

ISEN2_L2

I RTN1_L2

Package Type (QFN)

5655545352515049484746454443

ISEN 6142

ISEN1_L2

RCSP

241

RCSP_L2

RCSM

340RCSM_L2

VRDY2439

VCC

CFP

538

VSEN_L2VSEN

6VRTN

7RRES

8TSEN137

VRTN_L236

PWM1_L235

PWM2_L2934

PWM6V18 A1033

PWM5PWRGD/
VRDY11132

PWM4PWROK/EN_L2/
INMODE

1231

PWM3NC

1330

PWM2VINSEN

1429

PWM1IR3567B
56 Pin 7 x 7 QFNTop View

20212223NC

SVT/SV_ALERT

SV_CLK/VIDSEL1

SV_DIO/VIDSEL0VRHOT_ICRIT#EN

ADDR_PROT

SM_ALERT#2425262728

VARGATE

19NC

18TSNE2/VAUXSEN17

SM_DIO16

SM_CLK

15

VDDIO/
SV_ADDR

57 GND

Figure 1: IR3567B Pin Diagram Enlarged

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www.irf.com | © 2013 International Rectifier

August 1, 2013 | V1.04