ir3500a International Rectifier Corp., ir3500a Datasheet - Page 28

• Manufacturer Part Number: ir3500a
• Description: Xphase3 Vr11.0 & Amd Pvid Control Ic
• Manufacturer: International Rectifier Corp.

APPLICATIONS INFORMATION
VR READY
VIDSEL
ENABLE
VRHOT
VID7
VID6
VID5
VID4
VID3
VID2
VID1
VID0
12V
Page 28 of 47
1
2
3
4
5
6
7
8
VID7
VID6
VID5
VID4
VID3
VID2
VID1
VID0
RVCCLDRV
RHOTSET2
RHOTSET1
Q1
IR3500
CONTROL
IC
RVCCLFB1
Figure 20 - IR3500A / IR3505 Three Phase AMD Opteron Converter
ROSC / OVP
RFB1
RFB2
RVCCLFB2
RFB
SS/DEL
VSETPT
OCSET
LGND
VDAC
VDRP
CFB
IIN
24
23
22
21
20
19
18
17
RDRP1
RVSETPT
ROSC
ROCSET
RCP
CSS/DEL
RVDAC
CVCCL
4.7uF
RDRP
CCP1
Q2
CDRP
ROVP1
CCP
Q3
CVDAC
FUSE
ROVP2
SCR
U10
U20
U30
1
2
3
4
1
2
3
4
1
2
3
4
ISHARE
DACIN
LGND
PHSIN
ISHARE
DACIN
LGND
PHSIN
ISHARE
DACIN
LGND
PHSIN
IR3505
PHASE
IC
IR3505
PHASE
IC
IR3505
PHASE
IC
CVCCL1
CVCCL2
CVCC3
CVCCL3
GATEH
BOOST
GATEH
BOOST
GATEH
BOOST
CVCC1
VCCL
CVCC2
VCCL
VCCL
SW
SW
SW
12
11
10
9
12
11
10
9
12
11
10
9
CBST1
CBST2
CBST3
U12
U22
U32
U11
U21
U31
RCS1
RCS2
RCS3
L1
L2
L3
CCS1
CCS2
CCS3
RTHERM1
RTHERM2
CIN1
CIN2
CIN3
July 3, 2008
CLOSE TO
POWER
STAGE
DISTRIBUTION
IMPEDANCE
IR3500A
COUT
VOUT SENSE+
VOUT+
VOUT-
VOUT SENSE-