明纬电源meanwell-sp-320电源原理图
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2022-10-14
14:33:19
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BCD E
of
BC D
E
2
A
F
2
4
3
1
DATE APPROVAL DESIGNED CHECKED DRAWN SUBJECT
4
3
1
A
F
DESCRIPTION
FILENAME
REVISION
DATE
Sheet
ECN. CORE
MEAN WELL ENTERPRISES CO., LTD.
3939
1W1W
27
1W1W
1W
15
1010
1010
1W1W
1W1W
R52R52
R51R51
2K
35V
35V
C54
ZD8
1KV
L2
0.3
0.3
2W
0.3
0.27
0.3
2W
2W
2W
2W
0.27
X
ZD4
X
X
2K
X
R59
6
5
1
TL
431
TL
431
431
TL
TL
TL
431
431
D20
1W1W
2727
1W1W
2222
1W1W
10
6.8
1W1W
1W1W
6.8
82
39
22
X
35V
35V
10V
D8
331 0.3
0.3
2W
2W
0.3
0.3
2W
2W
2W
2W
2W
X
X
X
X
X
X
X
2
R22
4
TL
TL
431
431
TL
431
TL
431
431
TLV
D19
C38
ZD4
C52
48V48V
15V
13.5V
3.3V
AC/L
3K33K3
10K10K
1/4W
2W2W
6K8
2W2W
1/4W
2W
3K
1/4W
390
2K7
270
2K4
220
1/4W
2W
1/4W
2W
R66
R55R55
R65
220u 220u
50V
470u
50V
35V
1K8
35V
1K5
1000u
1K8
1000u
1000u
10V 10V
1%
10V 10V
1%
R73
18K
1/2W
10K
1/2W
5.1V
10K
JUMP
16.1V
14.4V
1/2W
3K9 JUMP
1/2W
ZD7R74
471
D92-02
D92-02
1KV
102
D92-02
1KV
500V
222
222
500V
500V
D20
D19
C55
C51
TF-886
2W
2W
TF-884
TF-883
TF-883
2W
2W
TF-879
R22
T1
750K331
750K
1/2W
X
1/2W
X
1/2W
750K
X
825K
750K
1/2W
X
1/2W
R34
C38
1/4W/1%
1/4W/1%
4K99
R30R23
203
1K
203
1KV
1K
1/4W
1KV
1/4W
1K
1KV
203
1/4W
203
1K
203
1K
1KV
1/4W
2KV
1/4W
C67
C66
R75
15
9-11
36V
27V27V
24V24V
5V
12V
7.5V
224/63V
C20
FG
AC/N
TB1:1
1/2W1/2W
5K1
2W
1K21K2
1/2W1/2W
4K7
820
2W
1K
1/4W
1/4W
1K5
2W
2W
1/4W
2W
470
153/50V
C17
825K/1/2W
R37
63V
50V
470u
63V
470u
1K5
2K7
2K32
1%
1000u
35V
35V
10V
1K5
750
1K11K1
3300u
4700u
1K8
4700u
36K
36K
33K
12.9V
9.1V
5.8V
1/2W
6K8
2K2
1K5
JUMP
JUMP
JUMP
1/2W
1/2W
4.2V
331/50V
C21
R30
1N4148X3
D6
C3
331
471
D92-02
D92-02
1KV
1KV
500V
472
472
500V
472
470/1/4W
R25
224/25V
C13
104/100V
C27
2W
2W
TF-885
TF-1446
TF-881
TF-880
TF-879
0.39
10K
R24
1KV
X
X
1/2W
750K
1/2W
750K
750K
750K
X
X
X
1/2W
1/2W
1/2W 1%
750K
TSW1
100u/35V
C34
1N4148
D11
5.1
R10
22K
R13
1N5406
D2
TR-337
L1
4K99
4K99
1/4W/1%
15V/1W
D5
33K
R48
104/63V
C36
5.1
R45
2.2/1/4W
R43
C9
150u/400V
C6
150u/400V
C5
1KV
203
203
1KV
1K
1K
1/4W
1/4W
1K
1K
1KV
1KV
203
203
1KV
1/4W
1/4W
1/4W
820
103
R23
15K
R21
103/2KV
C7
100/3W
R18
3
T1
16
22/1/2W
R69
HER203
D14
12-14
C51
R59
10K
R67
C55
D17
224/100V
C37
PC123
U4:1
104/100V
C71
ZD7
LED1
C67
390K
R28
100K/1/4W
R40
154/63V
C18
103/100V
C24
680K/1/2W
R1
684/250VAC
C1
471/50V
C16
33
R41
10K
R26
2.2MR35
D7
471/50V
C14
472/250VACX2
C4
474/250VAC
C10
4.7u/50V
C32
PC123
U3:2
221/50V
C12
SCK104
RTH1
ZNR1
47u/25V
C39
0.47u/50V
C11
104/50V
C35
AC
G
2N6565
SCR1
684/250VAC
C8
C
B
E
C1815
Q4
22/1/4W
R12
D
S
G
IRFP-460A
Q1
222/50V
C26
BD004
BC5
D
S
G
2SK2611
Q2
BYV26EGP
D4
222/1KV
C56
R72
5K
RTH2
24V/1W
ZD5
R52
1K
R58
C53
C54
C57
22/1/4W
R57
ZD8
R55
104/63V
C58
100u/25V
C29
1000u
1000u
1000u
TR-340
0.22
0.22
1/2W
TR-336
1/2W
6.2V
TR-335
0.22
5.8V
TR-334
0.22
2W
2W
JUMP
TR-332
ZD9
R11
12.9V
12.9V
1/2W
1/2W
1/2W
12.9V
12.9V
12.9V
SHR1
1000u
4700u
3300u
SP-320 DIFFERENT COMPONENT:
4700u
0.47u/50V
C19
R34
C23
F 6.3A/250V
FS1
12.9V
TR-339
TR-681
0.22
0.22
1/2W
JUMP
JUMP
JUMP
TR-333
TR-332
TR-332
0.33
0.39
0.39
PC123
U4:2
43K2
R27
222/50V
C15
10K
R32
1N4148
D12
15V/1W
D9
1K/1/4W
R4
47K/2W
R42
47K/2W
R49
0.13/2W
R9
C30
R11
1/2W
12.9V
1/2W
12.9V
1/2W
1/2W
12.9V
1/2W
470
R20
1N4148
D13
16V/1W
ZD2
HER102
D10
10u/50V
C33
JUMP
R44
5.1/1W
R68
101/2KV
C25
C28
R51
1K
SVR1
C
A
R
SHR1
R74
PC123
U3:1
?
13.2V
ZD3
C66
15K/1/4W
R29
221/250VACX2
C22
33K
R46
1K5
R47
750K/1/2W
R31
BD004
BC4
1K8
R33
16V/1W
ZD1
TF-360
LF1
TF-360
LF2
10A/600V
BD1
22/1/4W
R19
102/250VAC
C31
47u/50V
C60
BYC10-600
D3
R73
ZD9
R75
CN1:2
R65
R66
C
B
E
SD882
Q3
L2:1
IS
3
PFCO
122
IAC
VEAO
16
VRMS
4
RAMP1
7
1
IEAO
15
VFB
4800
U1:1
4800
IL
9
11
PWMO
13
VCC
VREF
14
6
VDC
SS
5
RAMP2
8
GND
10
U1:2
R6
21
SP-320
2009/08/25
SP-320-R6.SchDoc
C52
C53
14.4V
1/2W
15V
1W
1W
18V
1W
18V
1W
18V
1W
24V
1W
24V
1W
24V
1W
33V
1W
30V
1W
33V
S60SC
4MT
S60SC
4MT
S60SC
4MT
SBL3060
PT
SBL3060
PT
1/2W
1.8
1/2W
2.2
1/2W
5.1
1/2W
5.1
1/2W
5.1
1/2W
5.1
1/2W
5.1
1/2W
5.1
1/2W
5.1
1/2W
5.1
1/4W
5K1
1/4W
5K1
1/4W
5K1
1/4W
5K1
1/4W
5K1
1/4W
5K1
过压保护，根据
输出电压调整
11V/9V
7.5V
2.5V稳压反馈
限流电阻
输出电压调节
根据输出电压调节：
容值、耐压
限流电阻
滤波，尖峰吸收？
采用电阻
采样电阻
FBPWM
Isense
FBPFC
out PFC
out PWM
i limit
pwm soft start
RC/TC
PFC保护部分
ＰＷＭ控制部分
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