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5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
SS pin PD to set INTEL
VR11 mode
10mil width
25A max
INTEL VRD11 mode
SET 0.825V~1.2125V
OCP
點做在
49A
Rocset=R136=2.74k , Isens=94uA , Rs=R127=8.25k ,
Rcomp=R128+[R135//(DRT1+R129)]=78k , DCR=0.78mohm
Iocp=(Rocset*Isens*Rs/(Rcomp*DCR)
=(2.74k*94uA*8.25K)/(45K*0.97m)=49A
Rt=10^{10.61-[1.035Xlog(FS)]} Rt=R151=68 kohm , FS=380KHz
OVP=VDAC+175mV
PWM IC internal PU
IAXG for 2009A FMB (73W TDP SKU support): 20A
IAXG for 2009B FMB (87W TDP SKU support): 25A
GA-H55M-S2
1.3
CPU_VAXG_ISL6314CRZ
Gigabyte Technology
B
25
31
Tuesday, October 05, 2010
Title
Size
Document Number
Rev
Date:
Sheet
of
CPU_VAXG_ADJ
AXG_LGATE
AXG_UGATE_F
EN_AXG
AXG_IN
AXG_PHASE
AXG_LGATE
AXG_ISEN
AXG_UGATE
ISENNO
AXG_PHASEB
AXG_ISEN
ISENNO
GFX_VID0
GFX_VID7
GFX_VID6
GFX_VID5
GFX_VID4
GFX_VID1
GFX_VID2
GFX_VID3
GFX_VID0
AXG_IN
AXG_PHASEB
GFX_VID[1..7]
EN_AXG
AXG_UGATE
AXG_PHASE
AXG_PHASE
AXG_UGATE_F
GFX_EN
[4]
VAXG_SENSE
[4]
VAXG_VSS
[4]
CPU_VAXG_ADJ
[26]
GFX_VID[1..7]
[4]
CPU_VAXG
+12V
VCC
VCC
CPU_VTT
VCC
CPU_VAXG
VIN
3VDUAL_ICH
CPU_VTT
GR6
8.2K/4
GR11
8.2K/4
SOT23
GQ2
MMBT2222A/SOT23/600mA/40
1
3
2
GL1
0.6u/40A/IMD129/W/D
SOT23
GQ3
MMBT2222A/SOT23/600mA/40
1
3
2
GR1
2.2/6
GR29
0/4/SHT/M/X
GR4
8.2K/4
GBC6
0.1u/4/X7R/16V/K
t
GRT1
100K/1/4/S
1
2
GBC7
0.1u/4/X7R/16V/K
GR17
100K/4/1
GR21
23.2K/4/1
GR5
24K/4/1
GR33
1.2K/4/1
GR14
75K/4/1
GR27
2K/4/1
GR20
2.74K/4/1
GBC8
0.01u/4/X7R/25V/K
GQ1
2SK3919/TO252/2050pF/5.6m
1
3
2
GR22
1K/4/1
GR32
18K/4/1
GR2
2.2/6
GR30
68K/4/1/X
SGR2
0/4/SHT/M/X
GBC2
1u/6/X7R/16V/K
GR9
2.2/6
GR31
20K/4/1
GR3
2.2/6
GU1
ISL6314CRZ-T/QFN32[10TA1-606314-01R]
16
3
18
9
1
29
30
28
7
12
19
5
11
13
31
4
6
15
17
26
33
25
32
27
2
22
23
24
21
20
14
8
10
ISEN+
FS
VC
C
FB
PGOOD
VID2
VID1
VID3
COMP
VSEN
PVCC
OFS
RGND
OCSET
VID0
REF
APA
ISEN-
EN
VID5
GN
D
VID6
VID7
VID4
SS
BOOT
UGATE
PHASE
LGATE
NC
ISENNO
DVC
VDIFF
GR37
2K/4/1
GBC1
1u/6/X7R/16V/K
GR35
86.6K/4/1/X
GBC15
0.047u/4/X7R/16V/K/X
GBC13
1n/4/X7R/50V/K/X
GR34
49.9/4/1/X
GR8
1K/4/1
GR25
100K/4/1
GBC11
22p/4/NPO/50V/J/X
GC2
0.1u/4/X7R/16V/K
GR26
100/4/1
+
1
GEC2
820u/FP/D/2.5V/69/7m
+
1
GEC3
820u/FP/D/2.5V/69/7m
GBC5
0.1u/4/Y5V/16V/Z
GBC10
4.7n/4/X7R/25V/K
GBC16
22p/4/NPO/50V/J
GR28
68K/4/1
GR36
15.8K/4/1
GBC3
0.1u/4/X7R/16V/K
GBC14
1n/4/X7R/50V/K
GR10
2.2/6
GBC9
0.1u/4/X7R/16V/K/X
GBC12
820p/4/X7R/50V/K
+
1
GEC4
820u/FP/D/2.5V/69/7m
GC1
1u/6/X7R/16V/K
GC3
1n/4/X7R/50V/K
GR23
2K/4/1
GR7
8.2K/4
SGR1
0/4/SHT/M/X
+
1
GEC1
270u/FP/D/16V/89/10m
GBC4
0.1u/4/X7R/16V/K/X
GQ4
2SK3919/TO252/2050pF/5.6m
1
3
2
GQ5
2SK3919/TO252/2050pF/5.6m
1
3
2
CONFIDENTIAL