ISL62881CHRTZ-T Просмотр технического описания (PDF) - Intersil

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ISL62881CHRTZ-T

Single-Phase PWM Regulator for IMVP-6.5™ Mobile CPUs and GPUs

Intersil 

ISL62881C, ISL62881D

Simplified Application Circuits (Continued)

V+5 V+5 VIN

RBIAS

VDD VCCP VIN

RBIAS

PGOOD

CLK_EN#

VID<0:6>

DPRSLPVR

VR_ON

RDROOP

PGOOD

CLK_EN#

VIDS

DPRSLPVR

VR_ON

VW

ISL62881C

RFSET

BOOT

COMP

FB

UGATE

PHASE

LGATE

VSSP

VSEN

ISUM+

VIN

L

RSUM

RSEN

VO

VCCSENSE

VSSSENSE

RIMON

IMON

RTN

IMON

ISUM-

(BOTTOM PAD)

VSS

CN

RI

FIGURE 2. ISL62881C TYPICAL APPLICATION CIRCUIT USING RESISTOR SENSING

V+5 V+5 VIN

R BIAS

VDD VCCP VIN

R BIAS

OC

VR_TT#

PGOOD

CLK_EN#

VID<0:6>

DPRSLPVR

VR_ON

NTC

VR_TT#

PGOOD

CLK_EN#

VIDS

DPRSLPVR

VR_ON

VW

ISL62881D

RFSET

BOOT

UGATE

RDROOP

COMP

FB

VSEN

PHASE

LGATEB

LGATEA

VSSP

ISUM+

V IN

L

VO

RSUM

V C C SENSE

V S S SENSE

R IM ON

IMON

RTN

IMON

ISUM-

GND

RN

CN OC

RI

FIGURE 3. ISL62881D TYPICAL APPLICATION CIRCUIT USING DCR SENSING

10

FN7596.0

March 8, 2010

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