Schematic Diagrams

D - 42 System Power 1 SCH (71-88800-D04) - For 8880

8880 Schematic Diags
System Power 1 SCH
VL
SYS3V
SYS5V
12V
VIN
VIN
VL
VL
12V
VCC5SYS5V
VCC3
12V
SYS3V
VL
12VIN
2.5VR
V+
3VON
5VON
12VIN
VIN
V+
3VON
5VON
PC22
*10U/25V
PR160
*1M
PC150
*1000P
PR15
*1M
PC21
*1000P
+
PC181
10U
+
PC140
10U
+
PC162
2200U
PR165 10K
PR7
12m(2512)
PL10
CDRH-1205-100
PD1
1SS355
A C
PR157
10K 1%
PD35
RB751V
AC
PR158
0
PR166
10K 1%
PR167
3.65K 1%
PD7
*10QS06
A C
PD2
*10QS06
A C
PR6
10
PR161 *R
PR159
0
PD34
RB751V
A C
PR164
*R
PC151
10U
PC152
1U
+
PC182
10U
PR8 0
PR5 0
PC154
10U/25V
PR162
0
PR14
12m(2512)
+
PC11
*220U
PC24
10U/25V
PD8
11FS2
A C
+
PC131
470U/35V
PC153
10U/25V
PQ4
Si4416 4
62
5
73
1
8
PR156
10.7K 1%
+
PC141
2200U
PL9 CDRH125-100-122
4 3
21
PQ7
Si4812
4
62
5
73
1
8
PR2 10K
PQ8
Si4416
4
62
5
73
1
8
+
PC161
10U
+
PC19
*150U
PQ3
Si4812
4
62
5
73
1
8
PU4
MAX1632
25
27
26
24
1
2
9
22
3
6
15
10
11
8
21
18
16
17
19
14
13
12
5
4
28
7
23
20
BST3
DH3
LX3
DL3
CSH3
CSL3
REF
V+
FB3
SYNC
SEQ
SKIP
RESET
GND
VL
BST5
DH5
LX5
DL5
CSH5
CSL5
FB5
VDD
12VOUT
3VON
5VON
SHDN
PGND PC156
0.1U
PC7
0.1U
PR169 10K
PC157
0.1U
PC12
0.1U
PC148
0.1U
PC149
0.1U(0805)
PQ61
DTC114EUA
C
E
BPR1 10K
PQ1
DTA114EUA
CE
B
PC146
0.1U(0805)
+
PC145
470U/35V
PC159
100P
PR4
1M
PC9
47P
PC147
100P
PC164
0.1U
PR3
33K
PR9
2M
PC13
47P
PC10
10U
PC155
0.1U(0805)
PC6
0.1U
PC144
0.1U(0805)
PQ5
Si4800
4
6 2
5
7 3
1
8
PQ2
Si4800
4
6 2
5
7 3
1
8
PQ60
2N7002
G
DS
PR168
47K
PC160
0.1U(0805)
PR155
47K
PQ59
2N7002
G
DS
VIN142,45
DD_ON# 45
VCC3 10,13,18,20,21,27..30,32,33,35,36,38,43
VCC5 22,23,27,30..33,37..39,42,43
A5V
A3V
12V 23..25,33,38,39
SYS3V 20..22,25,27,28,30,32,36,37,42..45
SYS5V 18,22,23,25,26,38,42,45
DD_ON# 45
VIN142,45
4A4A
5A
0.1A
0.1A
Idle Mode
PWM Mode
300khz
5A
2A
2A
5A
5A 5A

Sheet 41 of 45

System Power 1

SCH (+3V, +5V,

+12V) - (8880)