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AP3988 Datasheet(PDF) 2 Page - Diodes Incorporated

Part # AP3988
Description  PRIMARY SIDE POWER SWITCHER FOR OFF-LINE SMPS
PDF  12 Pages
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AP3988 Datasheet(HTML) 2 Page - Diodes Incorporated

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AP3988
Document number: DS36722 Rev. 4 - 2
2 of 12
www.diodes.com
June 2014
© Diodes Incorporated
AP3988
A Product Line of
Diodes Incorporated
Typical Applications Circuit
+
J1
AC 90-264V
D1 to D4
C2
Rf1
+
C1
D6
L1
T1
FB
C
VCC
CS
+
C3
U1
CPC
C8
R5
C11
Np
L2
Nfb
D5
C5
R6
Vo+
Vo-
GND
D12
+
C12
R11
R12
R10
R3
R8
R9
R7
For AP3988 (5V/1A)
Item
Function
QTY
Item
Function
QTY
C1,C2
4.7µF/400V, electrolytic
2
Rf1
10
Ω/1W, fuse resistor
1
C3
4.7µF/50V, electrolytic
1
R3
3.3M
/0.25W
1
C5
1nF/250V, ceramic
1
R5
3.9
, 0805
1
C8
0.01µF, 0805
1
R6
150k
, 1206
1
C11
1nF, 0805
1
R7
2.7
, 1206
1
C12
680µF/10V
1
R8
75k
, 0805
1
D1 to D6
1N4007, rectifier diode
6
R9
43k
, 0805
1
D12
APD340,Schottky diode
1
R10
200
, 0805
1
L1
1mH, inductor
1
R11
27
, 0805
1
L2
Bead, 0805
1
R12
1.5k
, 0805
1
U1
AP3988, SO-7
1
T1
EE13 core, PC40, transformer
1



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