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