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IR3521 데이터시트(PDF) 2 Page - International Rectifier

부품명 IR3521
상세설명  XPHASE3TM AMD SVID CONTROL IC
PDF  45 Pages
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제조업체  IRF [International Rectifier]
홈페이지  http://www.irf.com
Logo IRF - International Rectifier

IR3521 데이터시트(HTML) 2 Page - International Rectifier

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IR3521
Page 2
V3.03
APPLICATION CIRCUIT
Power Saving
Indicator to
VDD Phase ICs
PSI_L
CSS/DEL1
CVDAC1
RVCCLFB2
CSS/DEL2
ROSC
RVCCLDRV
RTHERMISTOR1
RFB13
PWROK
2
ENABLE
3
IIN2
4
OCSET2
7
VDRP1
22
IIN1
21
EAOUT1
17
VDAC1
19
VDAC2
6
ROSC
23
PSI_L
24
SVD
1
SS/DEL1
20
OCSET1
18
SS/DEL2
5
EAOUT2
8
EPAD
IR3521
CONTROL
IC
Q3
VDDNB SENSE -
VDDNB SENSE +
ROCSET1
RVCCLFB1
RVDAC1
CVCCL9
To VDDNB
Remote
Sense
SVC
PHSIN
12V
PGOOD
PHSOUT
VDD SENSE -
VDD SENSE +
SVD
ROCSET2
CLKOUT
VDAC1
ISHARE1
EAOUT1
CCP22
CCP21
RCP2
ENABLE
12V
CFB2
RFB21
RFB22
3 Wire Analog
Control Bus to
VDDNB Phase
ICs
To Converters
To VDD
Remote
Sense
2 wire
Digital
Daisy Chain
Bus to VDD
& VDDNB
Phase ICs
To Phase IC
VCCL & GATE
DRIVE BIAS
VCCL
Phase Clock Input to
Last Phase IC of VDD
PWROK
ISHARE2
RVDAC2
CVDAC2
VDAC2
CCP11
RCP1
CDRP1
RFB11
RDRP1
CFB1
CCP12
RFB12
EAOUT2
Load Line
NTC
Thermistor;
Locate close to
VDD Power Stage
3 Wire Analog
Control Bus
to VDD Phase
ICs
Figure 1 – IR3521 Application Circuit



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