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Flow Chart of Troubleshooting and Circuit Diagrams
9-3
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2.2uH
L301
C305
10uF
6.3V
C323
0.33NF
VCCD_1.6
10V
10UF
C306
R300
47K
6.3V
C307
10uF
VFB2 10
3 VIN
VOUT
2
11
GND
GND
5
9
OUT2
RUN1 8
6
RUN2
SW1
4
SW2 7
VFB1
1
2.2uH
U300
LTC3548EDD-1A
L300
C322
0.33NF
VCCD_1.8CON
VCCD_1.8
VBAT