Schematic

1
1
2
2
3
3
4
4
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 2012/9/10 Sheet of
File: D:\PCB \..\Power Module.SchDoc Drawn By:
R1
2K/1%
C1 33nF
+
C4
470μF/35v
+
C3
470μF/35v
C2
105P D1
SK54
L1
33μH/SLF12565T-330M2R8-PF
GND
1
FB
2
SW
3
EN
4
VIN
5
IC1 GS2678 Vout
Vin
R4
4.7K
RedLED
LD2
1
2
VIN1
5.08Terminal
1
2
VIN2
5.08Terminal
1
2
J1 5.08Terminal
Vin
Vin
1
2
3
JA1
LookButton
1
2
J4 2P pin header
1
2
J3 2P pin header
GND
Vout
Vout
Vout
RP1 100K Blue and White VR
R3
10.5K/1%
R2
6K/1%2
3
1
switch
1
2
J2 JST2.54Stock
Vout
V0.3
Power Module
Phoebe