User's Manual

11-29-1999_14:46 32
VOLTAGE REGULATORS
SLP_S5#11
VCC2_5SBY_INTVCC
100-1% R297
10K
R294
0.01
R325
R302
11K
CDRH125
10UH
L23
100-1% R258
35.7-1%
R259
CMDSH-3
CR9
C
A
VCC2_5SBY_ITH
VCC2_5SBY_VOSENSE
VCC2_5SBY_SENSE-
VCC2_5SBY_SENSE+
VCC2_5SBY_L
VCC2_5SBY_TG
VCC2_5SBY_SW
VCC2_5SBY_BG
SBY_ITH_R
CR10
MBRS140T3
C
A
C295
68PF
1UF-X7R
C315
12
100-1% R301
100PF
C304
C325
330UF
12
C326
330UF
21
100UF
C314
21
C312
0.1UF
V_BOOST
C306
4.7UF12
C299
1000PF
C292
100PF
100PF
C293
C263
0.1UF
C307
0.1UF
21
330PF
C296
VR7
8 7
6
10
11
15
12
14
16
13
5
3
2
1
4
9
VCC2_5SBY_COSC
VCC2_5SBY_RUN
C294
0.1UF
CR8
MMBD914LT1
31
10K
R295
Q11
31 57 42 68
PCD PLATFORM DESIGN
REV:
DRAWN BY:
LAST REVISED:
PROJECT:
SHEET:
FOLSOM, CALIFORNIA 95630
1900 PRAIRIE CITY ROAD
87654321
A
B
C
D
12345678
D
C
B
A
TITLE: INTEL(R) 820 CHIPSET DUAL PROCESSOR CUSTOMER REFERENCE BOARD
3.03
OF 38
R
VCC5DUAL
VCC2_5SBY
VCC2_5SBY
-
+
-
+
+
+ +
+
+
+
LT1435
RUN/SS
ITH
SGND
VIN
TG
SW
INTVCC
BOOST
BG
PGND
SENSE- SENSE+
COSC
SFB
VOSENSE
EXTVCC
VCMOS1_8SBY
D1 D3 G1 G2 D2 D4 S1 S2
SI4966DY
TPS x2
AVX 330uF
VCC 2.5 Standby Voltage Regulator
VCMOS Generator For Rambus
Do not stuff C292.
Do not stuff C304.
Voltage Regulators