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Figure 2-2: Power supply schematic
FP3
C19
1µF
GND
C18
0.1µF
GND
VCC-USB
VCC-5V
VCC-3.3V
R18
470
PWR
LED GREEN
1
2
3
IN
GND
OUT
5
4
EN ADJ
U2
SPX3819M5
R14
47k
R17
27k
R20
1k
C13
10 F
R12
10k
C15
10
µ
F
VCC-3.3V
VCC-USB
VCC-USB
C14
0.10µF
C16
0.10µF