ISL62883C Просмотр технического описания (PDF) - Intersil

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ISL62883C

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

Intersil 

ISL62883C

Simplified Application Circuits (Continued)

V+5 V+5 Vin

Rbias

Rntc

oC

VDD VCCP VIN

RBIAS

PWM3

NTC

BOOT2

PGOOD

VR_TT#

CLK_EN#

VID<0:6>

PSI#

DPRSLPVR

VR_ON

PGOOD

UGATE2

VR_TT#

PHASE2

CLK_EN#

VIDs

PSI#

LGATE2

VSSP2

DPRSLPVR

ISEN2

VR_ON

VW

Rfset

BOOT1

ISL62883C

UGATE1

PHASE1

Rdroop

COMP

FB2

FB

VSEN

LGATE1a

VSSP1

ISEN1

ISUM+

VCCSENSE

VSSSENSE

Rimon

IMON

RTN

IMON

ISUM-

(Bottom Pad)

VSS

Vin

Rn

Cn oC

Rsum

Ri

L

Vo

FIGURE 4. TYPICAL 1-PHASE APPLICATION CIRCUIT USING DCR SENSING

12

FN7557.1

March 18, 2010

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