MC44602 Просмотр технического описания (PDF) - ON Semiconductor
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MC44602 Datasheet PDF : 18 Pages
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MC44602
Figure 33. 60 Watt Off–Line Flyback Regulator
2.2
85 to 265
Vac
1N5404
470
1N4148
270
0.1
470pF 15k
1N4148
24k 0.1µF
1
16
47k
2
15
10k
3
14
470k
4
13
1.0k
5
12
6
11
10k
7
10
2.2nF
8
9
1.0nF
220pF
390
T1
47k
MUR 220
2.0W
4100
220pF
1N4934
1.0µH
220
3.3nF
22
8.2k
2.0W
MUR
460
47nF
1.0
MUR
415
470
220pF
MBR
340
470
470pF
0.1 85V/0.5A
0.1 20V/0.6A
0.1 6.8V/0.8A
0.33µH 47
MJE18006
1.0k
0.82
1.0nF/1.0kV
4.7M
Test
Conditions
Line Regulation
85V
20V
6.8V
Vin = 85 Vac to 265 Vac
IO = 0.5 A
IO = 0.5 A
IO = 0.8 A
Load Regulation
85V
20V
6.8V
Vin = 220 Vac
IO = 0.1 A to 0.5 A
IO = 0.1 A to 0.5 A
IO = 0.1 A to 0.8 A
Efficiency
Vin = 110 Vac, PO = 58 W
Standby Power
Vin = 110 Vac, PO = 0 W
T1 – Orega SMT2 (G4787–01)
Primary: 41 Turns, #25AWG
Auxiliary Feedback: 12 Turns, #25AWG
Secondary: 85 V – 60 Turns, #25AWG
Secondary: 20 V – 15 Turns, #25AWG (2 Strands) Bifiliar Wound
Secondary: 6.8 V – 5 Turns, #25AWG (2 Strands) Bifiliar Wound
Core – ETD39 34x17x11 B52
Gap – ≈ 0.020″ for a primary inductance of 750 µH, AL = 500 nH/Turn2
Results
∆ = 1.0 V or ± 0.6%
∆ = 0.04 V or ± 0.1%
∆ = 0.07 V or ± 0.5%
∆ = 1.0 V or ± 0.6%
∆ = 0.4 V or ± 1.0%
∆ = 0.2 V or ± 1.5%
81%
2.0 W
MOTOROLA ANALOG IC DEVICE DATA
15
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