Microchip Technology AC164133 Data Sheet
Schematics and Layouts
© 2008 Microchip Technology Inc.
DS70336A-page 55
FIGURE 1-3:
DAUGHTER BOARD SCHEMATIC 2 OF 5
V
OUT
2
S
tag
e 2
Bu
ck
D
G
S
D
G
S
V
IN
F
eedbac
k
C1
5
0.
1uF
U2
LM
5101
TX
2
C
S
T
1_060L
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FD
S6298
Q7
FD
S6298
C13
220uF 25V
Elec
R21
DNP
Q8
BSR14_SOT23
R2
2
1k
R23
20R 1% 1/8W
D5
BAS16
R24
20k 1%
1/8W
R25
2.2k
1% 1/
8W
C14
2.2nF
25V
D6
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R2
6
22R
1%
1/
8W
C1
6
0.
1uF
9VAN
A_GN
D
C19
0.1uF
9VAN
A_GN
D
9VAN
A_G
N
D
D8
BAS16
R27
22R
R2
8
5.
1k
C17
C18
R2
9
3.
3K
R3
0
5K
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9VAN
A_GN
D
9VAN
A_GN
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R4
5
R4
7
+9V
TP
1
0
B
u
ck2
+
+3.
3
V_DI
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9VAN
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N
D
9VAN
A_GN
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9VAN
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_
GN
D
D12
LED_0805
R58
10k
9VAN
A_GN
D
C3
0
4.7uF
25V
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Schot
tky
D7
Diode_D
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214
L4
10uH
TP
1
1
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J13
Cuur
ent SenseBuc
k2
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3K
9VAN
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1
3.
3K
Com
p
2
PW
M
2
H
PWM
2
L
HO
LO
HS
3
HI
LI
4
8
5
6
V
o
lt
age F
B
2
Co
m
p
2
Cuurent Sens
e2
2
3
V
DD
Vs
s
V
IN
150uF 6.
3V
T
ANT
150uF 6.
3V
T
ANT
HB
A
B
B
A
10K
2.4K
B
A
B
A
B
A
3
B
A
B
A
A
B
A
B
B
A
B
A
Volt
age F
B
Buc
k
2
B
A
B
A
B
A
C3
470pF
A
B
B
A
B
A
A
B
A
B
B
A
3