User manual

Schematics and Layouts
© 2011 Microchip Technology Inc. DS51994A-page 21
A.7 SCHEMATIC - POWER
Rev
6
A B
1
Size
Title
D
Eng:
3 4 2 1
A
B
4 3 2 1
3/18/10
6
Date
POWER.SCHDOC
C
Sheet Drawn by:
of
Rev
C D
B.Popescu
A.Hapenciuc
Description
Filename:
B
Date:
M
6
Initial Design
4
GNDA
+9V
GNDA
USB_+5V
USB
GNDA
+3.3V
+5V
GNDA
GNDA GNDA
100
R58
+3.3V
POWER
GNDA
1
P11A
EXT +5V
GNDA
GNDA
3 2 1
J1
RAPC722
+9V IN
10UF C4
2
P11B
100NF
C3
GNDA
POWER
+9V IN
GNDA
100NF C5
POWER
BLUE
D5
GM1B55250AC
GNDAGNDA
GND
TP1
PJ-202-30
4.7UF C2
GND
1
IN
3
OUT
2
U3
LM1117-3.3
10UF C1
EXT +5V
POWER
A K
D3
MBR0520LT1
1 3 5
2 4 6
JP3
HDR3X2
10UH
L1
4.7UF C6
MCP3903 Eval Board for 16-bit MCU
3/31/10
GND
1
IN
3
OUT
2
U1
LM1117-5.0
EXT_+5V