Intel 815 - Page 205

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
NO STUFF R210
Route VR6 GND to VDDQ output caps and then via to ground.
AGP, VCMOS Voltage Regulator
INTEL(R) 82815 CHIPSET CUSTOMER REFERENCE BOARD
AGP, VCMOS VOLTAGE REGULATOR
40
1.0
3-26-01
32
Platform Apps Engineering
1900 Prairie City Road
Folsom, CA 95630
REV.
R
Last Revision Date:
Sheet:
of
Title:
int
e
l
VR_SHUTDOWN
VR_SDB R208_Q15
C268_R156
VDDQ_G VDDQ_G2
VDDQ_COMP
VDDQ_FB
Q32_Feedback
TYPEDET#9
VCC1_8
VCC3_3
VDDQ
VCC3_3
VCC12
VCMOSVCC3_3
R211
1K
12
Q15
MMBT3904LT1
Q14
MMBT3904LT1
VR6
LT1575
1
2
3
4 5
6
7
8
SHDN
VIN
GND
FB COMP
GATE
INEG
IPOS
R156
7.5K-1%
1 2
R210
0K
12
R209
1K
12
R174
1K
12
C315
10UF
12
C316
1UF
12
R121
2.2K
12
R208
10K
1 2
C270
1UF-X7R
12
C269
1UF-X7R
12
C271
1UF-X7R
12
C322
47UF
12
C268
0.001UF
12
R155
5.1-5%
1 2
C278
1UF-X7R
12
C242
1UF-X7R
12
R354
49.9 1%
+
C483
10UF
Q32
LT1117ADJ
3
1
2
VIN
ADJ
VOUT
R161
1.21K-1%
12
C317
220UF
1 2
Q13
IRL2203NS
1
23
1
23
C267
10PF
12
R355
10 1%
+
C484
10UF
R162
301-1%
12