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J3
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
C1
Capacitance
10uF
U1
Manufacturer Part Number
RT8059GJ5
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
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))
U4
L1
Inductance
10uH
D1
VSOLAR
VUSB
VBAT
+3V3
D4
VBAT
VBAT
+3V3
12_5V
VBAT
VSOLAR
D3
VUSB
L2
Inductance
2u2 H
12_5V
J1
D5
Color
Red
SW1
D2
Color
Green
J4
J2
U3
Manufacturer Part Number
SY6280A AC

Input Power Source Switching (USB / Solar)