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Schematic

Layout

3D View

R9
Resistance
20kΩ
R8
Resistance
2kΩ
R7
Resistance
15kΩ
R6
Resistance
150kΩ
R1
Resistance
3kΩ
R2
Resistance
1k5 Ω
R4
Resistance
4k7 Ω
R3
Resistance
68kΩ
R5
Resistance
6k8 Ω
J3
C1
Capacitance
10uF
C4
Capacitance
4u7 F
C2
Capacitance
10uF
C3
Capacitance
100nF
C8
Capacitance
68pF
C10
Capacitance
22uF
C9
Capacitance
100nF
C7
Capacitance
22uF
C6
Capacitance
100nF
C5
Capacitance
10uF
IC1
U4
L1
Inductance
10uH
SETTING OUTPUT VOLTAGE
Line 1
------------------------------------------------------------
Line 2
The internal reference VREF is typically 0.6V. The output voltage is divided by a resistor divider,R1 and R2 to the FB pin.
Line 3
Vout = Vref x (1 + R6/R9)
Line 4
------------------------- AND ---------------------------
Line 5
Vout = Vref x (1 + R6/(R1+R4))
L2
Inductance
2u2 H
D1
VSOLAR
VUSB
VBAT
J1
+3V3
D4
VBAT
D5
Color
Red
VBAT
SW1
D2
Color
Green
J4
+3V3
12_5V
VBAT
VSOLAR
D3
VUSB
J2
12_5V
U3
Manufacturer Part Number
SY6280A AC
U1
Manufacturer Part Number
RT8059GJ5
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