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UPS3702 Datasheet(PDF) 8 Page - Unisonic Technologies

Part No. UPS3702
Description  HIGH PERFORMANCE CURRENT MODE POWER SWITCH WITH ZERO CURRENT DETECTION
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Maker  UTC [Unisonic Technologies]
Homepage  http://www.utc-ic.com
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UPS3702 Datasheet(HTML) 8 Page - Unisonic Technologies

   
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UPS3702
Preliminary
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
8 of 9
www.unisonic.com.tw
QW-R119-022.b
TYPICAL APPLICATION CIRCUIT
F1
LINE
NEUT
8
9
10
1
2
3
4
L2
5V/2.4A
GND
1
4
7
IC1
6
7
4
3
1
2
L1
1
2
3
4
T1
IC3
IC2
BD1
t
°
ZNR1
1
2
3
4
TR1
SGND
DRAIN
DRAIN
FB
8
3
VCC
XC1
R1
R2
C1
R4
R3
D1
C2
YC1
R5
C8
C4
D2
C5
C10
C7
D3
C3
R6
C9
R12
R7
R8
R9
6
DRAIN
PGND
2
C11
Fig.10 UTC UPS3702 Typical Application Circuit
Table1. Components reference description for UTC UPS3702 application circuit
DESIGNATOR
PART TYPE
DESIGNATOR
PART TYPE
DESIGNATOR
PART TYPE
C1
33μF
R1
2.2MΩ
D1
FR107
C2
202pF
R2
2.2MΩ
D2
SB540
C3
22μF
R3
100KΩ
D3
RS1D
C4
470μF
R4
1MΩ
IC1
UPS3702
C5
470μF
R5
15Ω
IC2
PC-817
C6
0.1μF
R6
820Ω
IC3
TL431
C7
102pF
R7
1KΩ
YC1
222
C8
0.001μF
R8
22KΩ
T1
EE25
C9
0.1μF
R9
22KΩ
L1
UU10.5
C10
220μF
R10
15~25MΩ
L2
2μH
C11
1μF (Optional)
R11
68KΩ
F1
2A/250V
R12
2KΩ
ZNR1
7D471K
TR1
SCK102R55A
XC1
334/275V
BD1
KBP205


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