User's Manual

11-18-1999_11:28 30
VOLTAGE REGULATORS
SLP_S5#9
VCC2_5SBY_INTVCC
100-1% R297
10K
R294
0.01
R325
R302
11K
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_BG
R295
10K
SBY_ITH_R
C295
68PF
1UF-X7R
C315
12
100-1% R301
100PF
C304
100UF
C314
21
C312
0.1UF
V_BOOST
C306
4.7UF
1
2
C299
1000PF
C292
100PF
100PF
C293
C263
0.1UF
C307
0.1UF
2
1
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
VCC2_5SBY_SW
CDRH127-6R1
10UH
L23
C326
330UF
2
1
C325
330UF
1
2
CR10
MBRS130LT3
C
A
SI4966DY
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
1.01
TITLE: INTEL(R) 820 CHIPSET CUSTOMER REFERENCE BOARD
OF 36
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
VCC 2.5 Standby Voltage Regulator
VCMOS Generator For Rambus
Do not stuff C292.
Do not stuff C304.
Voltage Regulators
T510