VUSB
VIN
+3V3
+3V3
+3V3
L1
Inductance
=2.2uH
R8
Resistance
4.7kΩ
R5
Resistance
5.1KΩ
R4
Resistance
4.7kΩ
R6
Resistance
33.2KΩ
R7
Resistance
10kΩ
C3
Capacitance
22uF
C1
Capacitance
0.1uF
C7
Capacitance
10uF
U4
U3