ISL62882HRTZ View Datasheet(PDF) - Intersil

Part Name

Description

MFG CO.

ISL62882HRTZ

Multiphase PWM Regulator for IMVP-6.5™ Mobile CPUs and GPUs

Intersil 

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ISL62882, ISL62882B

Simplified Application Circuits

V+5 V+5 Vin

Rbias

VDD VCCP VIN

RBIAS

Rntc

oC

NTC

BOOT2

Vin

PGOOD

VR_TT#

CLK_EN#

VID<0:6>

PSI#

DPRSLPVR

VR_ON

Rdroop

PGOOD

UGATE2

VR_TT#

PHASE2

CLK_EN#

VIDs

PSI#

LGATE2

VSSP2

DPRSLPVR

ISEN2

VR_ON

VW

Rfset

BOOT1

ISL62882

UGATE1

PHASE1

LGATE1b

COMP

FB2

FB

LGATE1a

VSSP1

ISEN1

VSEN

ISUM+

Rs2

Cs2

Rs1

Cs1

Rsum2

L2

Vo

L1

VCCSENSE

VSSSENSE

Rimon

IMON

Ris

RTN

Cis

IMON

ISUM-

(Bottom Pad)

VSS

Rn

Cn oC

Ri

Rsum1

FIGURE 1. TYPICAL CPU APPLICATION CIRCUIT USING DCR SENSING

V+5 V+5 Vin

Rbias

Rntc

oC

VDD VCCP VIN

RBIAS

NTC

BOOT2

IMVP6_PWRGD

PGOOD

UGATE2

VR_TT#

VR_TT#

PHASE2

CLK_ENABLE

VID<0:6>#

PSI#

CLK_EN#

VIDs

PSI#

LGATE2

VSSP2

DPRSLPVR

DPRSLPVR

ISEN2

VR_ON

VR_ON

Cs2

VW

Rfset

BOOT1

ISL62882

UGATE1

PHASE1

LGATE1b

COMP

LGATE1a

VSSP1

FB2

FB

ISEN1

Rdroop

Cs1

VSEN

ISUM+

VCCSENSE

VSSSENSE

Rimon

IMON

Ris

RTN

Cn

Cis

Ri

IMON

ISUM-

(Bottom Pad)

VSS

Vin

L2

Rs2

L1

Rs1

Rsum2

Rsum1

Rsen2

Vo

Rsen1

FIGURE 2. TYPICAL CPU APPLICATION CIRCUIT USING RESISTOR SENSING

10

FN6890.2

April 29, 2010

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