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7/ 09
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TOP100-4
Figure 10. Schematic Diagram of a 60 W 110 VAC Input Boost Power Factor Correction Circuit Utilizing the TOP103.
Figure 9. Schematic Diagram of a 30 W 100/110 VAC Input Power Supply Utilizing the TOP102 and Accurate Optocoupler Feedback.
PI-1693-112895
15 V
RTN
BR1
200 V
C1
47
µ
F
200 V
C5
47
µ
F
C4
0.1
µ
F
U1
TOP102YAI
R3
6.2
Ω
R2
200
Ω
1/2 W
D2
MUR610CT
D3
1N4148
C2
1000
µ
F
35 V
T1
D1
BYV26B
C7
1 nF
Y1
DRAIN
SOURCE
CONTROL
C3
120
µ
F
25 V
U2
NEC2501
U3
TL431
R4
49.9 k
Ω
R5
10 k
Ω
C9
0.1
µ
F
R1
510
Ω
VR1
P6KE91
L1
3.3
µ
H
F1
3.15 A
J1
C6
0.1
µ
F
L2
33 mH
L
N
CIRCUIT PERFORMANCE:
Line Regulation - ±0.2%
(85-132 VAC)
Load Regulation - ±0.2%
(10-100%)
Ripple Voltage ±150 mV
Meets CISPR-22 Class B
PI-1437-042595
PFC OUT
RTN
D1
MUR440
BR1
200 V
R1
130 k
Ω
R2
200
Ω
R10
6.8 k
Ω
R3
3 k
Ω
VR1
120 V
VR2
120 V
D2
1N4936
C1
220 nF
200 V
C4
100
µ
F
C2
4.7
µ
F
C3
220
µ
F
L1
380
µ
H
EMI
FILTER
AC
IN
U1
TOP103YAI
DRAIN
SOURCE
CONTROL
TYPICAL PERFORMANCE:
Power Factor = 0.99
THD =5%