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UC3873 Datasheet(PDF) 8 Page - Unisonic Technologies

No. de pieza UC3873
Descripción Electrónicos  LOW COST POWER-SAVING MODE PWM CONTROLLER FOR FLYBACK CONVERTERS
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Fabricante Electrónico  UTC [Unisonic Technologies]
Página de inicio  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UC3873 Datasheet(HTML) 8 Page - Unisonic Technologies

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UC3873
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
8 of 10
www.unisonic.com.tw
QW-R103-068. D
REFRENCE CIRCUIT 12W (5V/2.4A)
BOM
Reference
Component
Reference
Component
BD1
BD 1A/600V
L2
1mH 6×8mm
C2
EC 22μF/400V 105°C
Q1
4N60_TO-220F
C1
EC 4.7μF/400V 105°C
R1,R2
R 1.5MΩ 1206
C3
CC 0.01μF/1000V
R3
R 200KΩ 1206
C4
EC 10μF/50V
R4
R 0Ω 0805
C5,C13
CC 104P/25V 0805
R5
R 10Ω 0805
C8
CC 102P/25V 0805
R6
R 43Ω 1206
C9
CC 222P/100V 1206
R7, R7A
R 2Ω 1206
C10, C11
EC 470u/16V 105°C
R8
R 51KΩ 1206
C12
CC 222P/16V 0805
R9
NTC R 12KΩ 0805
D2
Diode FR107
R10
R 22Ω 1206
D3
Diode FR102
R12
R 820Ω 0805
D4
Diode 1N4148_SOD-123
R13
R 2.2KΩ 0805
D5
Diode SB2040_TO-220F
R14
R 1KΩ 0805
F1
Fuse 2A/250VAC
R15, R16
R 22KΩ 0805 ±1%
L1
10μH 6mm
R17
R 330KΩ 0805 ±1%
R18
R 220Ω 1206
T1
EE-22
U1
IC UC3873
U2
TL431
U3
PC817B


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