Schematic Diagrams
Power 3 (71-L27T0-002) B - 29
B.Sch
e
m
a
tic D
iag
rams
Power 3
Sheet 28 of 29
Power 3
R7
1M
C134
0.01u
+3V
Q4
AP85L02HA
G
D
S
Z2805
R279
4.7K
R284
10K
Z2803
CA142
0.1u
C503
0.1u
+1.5V
Z2801
R183
10K_R
R285
10K
+
C155
100u/16V_6.3*7
SB5V
PU2
SC1470
1
2
3
4
5
6
7
8
9
10
11
12
13
14
EN/PSV
TON
VOUT
VCCA
FBK
PGOOD
GND
PGND
DL
VDDP
ILIM
LX
DH
BST
+
C157
100u/16V_6.3*7
PL1
6.8uH
1
2
+5V
C6
0.1u
6A
+1.5V
5,7,11,13..15,22
R10
15K
Z2821
CB7
1u
P_GND3
PGOOD1
26
+3V
3..6,11..17,19..24,26,27,29
PGOOD2
D15
1N4148
A
C
C12
4.7u/10V_0805
1
2
+3V
Q24
2N7002
D
G
S
D16
1N4148
A
C
C505
0.1u
CN12
POWER CONN.
1
2
3
4
5
6
7
8
9
10
14
13
12
11
15
16
R17
10
PJ1
6mm
1
2
D17
1N4148
A
C
+
CF1
4.7u/16V_1206
R184
0
+5V
R3
10K
Z2810
C26
0.1u
1
2
Q23
2N7002
D
G
S
C17
0.1u
R286
10K
C502
0.1u
SB5V
12..14,22,26,29
P_GND3
CA147
0.1u
R281
4.7K
D14
SR340
A
C
P_GND3
R13
10K_1%
+
C27
3300u/6.3V
_10*25_R
1
2
+
C156
390u/6.3V_8*10.5
P_GND3
Delay 250ms
Z2806
+5V
+5V
SIOPWROK
22
R2
0
C5
0.1u
P_GND3
C142
0.01u
P_GND3
Z2811
C9
100p
1
2
+12V
Z2812
+
C158
100u/16V_6.3*7
Q2
AP85L02HA
G
D
S
C504
0.1u
POWER-ON
22
CA149
0.1u
+5V
4,11..14,16,17,19,21..27,29
Z2804
Z2809
C150
1000p
R15
0
Z2802
+
C28
3300u/6.3V
_10*25
1
2
6A
Z2807
PGOOD2
D55
SCS335T
C
A
C152
0.01u
PWROK
6,12,14
SB5V
Z2819
Z2808
C151
1000p
C154
1000p
R11
20K_1%
+5V
C3
0.01u
1
2
P_GND3
C22
10u/25V_1206
1
2
R280
1K
+12V
12,13,16,17,22,24..27
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