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参数资料
| 型号： | L4981B |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 稳压器 |
| 英文描述： | 2 A POWER FACTOR CONTROLLER, 115 kHz SWITCHING FREQ-MAX, PDIP20 |
| 封装： | DIP-20 |
| 文件页数： | 15/16页 |
| 文件大小： | 2620K |
| 代理商： | L4981B |
C7
220nF
100V
R17
806K
1%
R17
806K
1%
R22
R23
R19
1.1M
5%
R19
1.1M
5%
R8
33K
5%
R7 360K 5% R6 620K 5%
R6
620K
5%
4
7
BRIDGE
4 x BY214
C1
220nF
400V
R21
5.1K
1%
L4981A
2
R15
10K
0.5W
R14
56
0.5W
C10
15nF
100V
19
15
D4
1N4150
DZ
22V
0.5W
C11
100
F
25V
D3 1N4150
D3
2N2222
C8
220nF
100V
L 0.9mH
14
13
C9
330nF
R12
220K
5%
3
C12
270pF
630V
STH/STW15NB50
R13
Q1
Q2
STK2N50
D5
BYT
11600
R18
1.8K
4W
20
R11
560 1%
R3
2.7K
5%
R5
27K 5%
0.07 2W
C3
1nF
R4
2.7K
5%
R16
24K
1%
15 5%
C4
1nF
C6
1
F
16V
61
R2
11K
1%
R10
21K
1%
R1
412K
1%
R9
910K
1%
R1
412K
1%
R9
910K
1%
D1 5TTA5060
12
C5
1
F
16V
11
17
18
9
5
8
FUSE
C2
100
F
450V
+
-
Vo
D93IN029C
Vi
88VAC to 254VAC
NTC
D2 1N4150
RS
R20
10K 5%
Figure 9A: L4981A Power Factor Corrector (200W)
fSW = 80kHz; PO = 200W; VOUT = 400V; Irms max = 2.53A; VOVP = 442V; IPK max = 6.2A
C7
220nF
100V
R17
806K
1%
R22
1.1M
R17
806K
1%
R22
R23
R19
1.1M
5%
R19
1.1M
5%
R8
33K
5%
R7 360K 5% R6 620K 5%
R6
620K
5%
4
16
7
BRIDGE
4 x BY214
C1
220nF
400V
R21
5.1K
1%
L4981B
2
R15
10K
0.5W
R14
56
0.5W
C10
15nF
100V
19
15
D4
1N4150
DZ
22V
0.5W
C11
100
F
25V
D3 1N4150
D3
2N2222
C8
220nF
100V
L 0.9mH
14
13
C9
330nF
R12
220K
5%
3
C12
270pF
630V
STH/STW15NB50
R13
Q1
Q2
STK2N50
D5
BYT
11600
R18
1.8K
4W
20
R11
560 1%
R3
2.7K
5%
R5
27K 5%
0.07 2W
C3
1nF
R4
2.7K
5%
R16
24K
1%
15 5%
C4
1.1nF
C6
1
F
16V
61
R2
11K
1%
R10
21K
1%
R1
412K
1%
R9
910K
1%
R1
412K
1%
R9
910K
1%
D1 5TTA5060
12
C5
1
F
16V
11
17
18
9
5
8
FUSE
C2
100
F
450V
+
-
Vo
D95IN220A
Vi
88VAC to 254VAC
NTC
D2 1N4150
RS
R20
10K 5%
Figure 9B: L4981B Power Factor Corrector (200W)
fSW = 80 to 92kHz; PO = 200W; VOUT = 400V; Irms max = 2.53A; VOVP = 442V; IPK max = 6.2A
L4981A - L4981B
8/16
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PDF描述 |
|---|---|
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相关代理商/技术参数 |
参数描述 |
|---|---|
| L4981B | 制造商:STMicroelectronics 功能描述:POWER FACTOR CORRECTOR 4981 DIP20 |
| L4981BD | 功能描述:功率因数校正 IC Very High Power RoHS:否 制造商:Fairchild Semiconductor 开关频率:300 KHz 最大功率耗散: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel |
| L4981BD | 制造商:STMicroelectronics 功能描述:POWER FACTOR CORRECTOR SMD 4981 |
| L4981BD013TR | 功能描述:功率因数校正 IC Very High Power RoHS:否 制造商:Fairchild Semiconductor 开关频率:300 KHz 最大功率耗散: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel |
| L4981DIE1 | 制造商:STMicroelectronics 功能描述: |
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