1-3 ICs for Switching Mode Power Supplies
sTypical
Connection Diagram (STR-A6159)
F1
L1
C1
D1
+
C2
400V
22
µ
F
1000pF
630V
C91
100kΩ
R91
SFPB-76
D11
PC1
PC123
R11
220Ω
R12
1.5kΩ
50V
0.1
µ
F
C13
L2
(5W Universal input, single output power supply)
+5V/1A
27kΩ
R14
AC85∼264V
D91
EG01C
C11
10V
470
µ
F
+
+
C12
10V
220
µ
F
IC2
TL431
8
D
7
D
5
Start up
EG01Z
D2
+
C4
35V
22
µ
F
T1
EI-16
27kΩ
R15
GND
IC1
STR-A6159
OCP V
CC
GND FB
1
2
3
4
4700pF
50V
C3
+
R3
2.2Ω
RD5.1 D3
C5
PC1
2200pF
250V
C99
50V
2.2
µ
F
sElectrical
Characteristics (STR-A6159)
(Power supply characteristics at input of 85VAC to 264VAC and 5V 1A output)
Efficiency
η
vs Output Current I
O
100
90
0.6
80
0.7
AC85V
AC110V
AC220V
AC264V
Input Power P
in
vs Output Power P
O
(PO=5W)
Efficiency
η
(%)
Input Power Pin (W)
1.0
70
60
50
40
30
20
10
0
0.0
0.2
0.4
0.6
0.8
AC85V
AC110V
AC220V
AC264V
0.5
0.4
0.3
0.2
0.1
0.0
0.0
0.1
0.2
0.3
0.4
Output Current I
O
(A)
Output Power P
O
(W)
sExternal
Dimensions (DIP8)
(Unit : mm)
ICs
123
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