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參數(shù)資料
| 型號(hào)： | AN-19 |
| 英文描述： | TOPSwitch Flyback Power Supply Efficiency |
| 中文描述： | TOPSwitch的反激式電源供應(yīng)器效率 |
| 文件頁數(shù)： | 2/20頁 |
| 文件大?。?/td> | 177K |
| 代理商： | AN-19 |
AN-19
A
6/96
2
1
2
3
4
8
7
6
5
PI-1790-022196
C19
L2
BR1
C6
0.22
μ
F
250 VAC
F1
3.15 A
C7
2200 PF
250 VAC
C8
2200 PF
250 VAC
U2
UC3842
+
-
L
N
C20
C1
100
μ
F
400 V
R1
R4
R8
130 K
1 W
D1
BYV26C
R5
R7
R6
R11
VR2
VR1
R10
D4
C21
22nF
R28
100 K
1 W
R29
22
R13
R14
C17
C11
D6
Q2
MOSFET
600 V, 1.2 A
R25
R24
R22
0.68
C21
R16
R20
R18
C12
C15
1.5 nF
C2
560
μ
F
35 V
D3
D5
R12
C3
10
μ
F
50 V
R2
3.3 K
C14
0.1
μ
F
C4
0.1
μ
F
C5
C13
27
μ
F
35 V
L1
D2
SCHOTTKY
20 A, 100 V
220
C18
C10
Q1
Q3
Figure 2. Discrete 3842 and MOSFET Flyback Power Supply.
Figure 3. TOPSwitch Realization of Figure 2 Power Supply.
PI-1791-051496
C19
L2
BR1
C6
0.22
μ
F
250 VAC
F1
3.15 A
C7
2200 PF
250 VAC
C8
2200 PF
250 VAC
+
-
L
N
C20
C1
100
μ
F
400 V
R29
22
R12
15
C2
560
μ
F
35 V
D3
1N4148
C3
10
μ
F
50 V
R2
200
VR2
20 V
C14
0.1
μ
F
L1
D2
SCHOTTKY
20 A, 100 V
C13
47
μ
F
VR1
1N5388
200 V
D1
BYV26C
VR3
9.1 V
1%
C15
1.5 nF
C4
0.1
μ
F
U1
TOP214YAI
DRAIN
SOURCE
CONTROL
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