參數(shù)資料
型號: L4981BD
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: 2 A POWER FACTOR CONTROLLER, 115 kHz SWITCHING FREQ-MAX, PDSO20
封裝: SO-20
文件頁數(shù): 3/16頁
文件大?。?/td> 2620K
代理商: L4981BD
88 to 264 Vac
BRIDGE
B1 8A
L1=0.5mE42*21*15
gap=1.9 58/6 turns
20*.2mm
C2
330n
C3
330n
R2
33k
R5
220k
R4
1.2M
R6
500k
74
C1
330nF
400V
L4981A/ B**
15
16
R7
500k
19
C8
100n
13
R1
460
R3
2.2k
R8
17k
C6
3.3n
R13
2.2k
C9
1n
R15
24k
1
17
10
18
9
5
8
2
R9 (RS)
50m
// 3*0.15)
R10
5k
R11
56k
R12
56k
R16
220k
14
3
C14
100n
R17
15
# // Q1&Q2
TO220*2
STM12NM50
/ 7C/W
D7-STTA406
20
C12
1u
C13
1u
R21
19.6k
R24
16.9k
R19
750k
R22
750k
D4-STTH8R06
to220 (/40CW)
6
11
12
C15
220uF
450V
-
D3
L2
3u
R18
6.8
2W
R23
750k
C11
220n
R20
750k
R14
68
B2= D1+D2
+D8+D9
VCC
F1
T15A250V
NTC
2.5
V+ BUS=400V
D5-
STTA106
D6
DZW06-48
RAux1
RAux2
Cf
.22uF
600V
TP1
VCC
C10
150uF
Dz1
18V
Q4
4007
R25
1k
2W
Cs
330pF
Q1+Q2#
**
Figure 19: Demo Board Circuit (VO = 400V; PO = 360W).
Figure 20: Component Layout (Dimensions 88 x 150mm).
L4981A - L4981B
11/16
相關(guān)PDF資料
PDF描述
L4981B 2 A POWER FACTOR CONTROLLER, 115 kHz SWITCHING FREQ-MAX, PDIP20
L4981AD013TR 2 A POWER FACTOR CONTROLLER, 115 kHz SWITCHING FREQ-MAX, PDSO20
L5200-45-AH6-R SWITCHED CAPACITOR REGULATOR, 2000 kHz SWITCHING FREQ-MAX, PDSO6
L5200-50-AG6-R SWITCHED CAPACITOR REGULATOR, 2000 kHz SWITCHING FREQ-MAX, PDSO6
L5200-50-AH6-R SWITCHED CAPACITOR REGULATOR, 2000 kHz SWITCHING FREQ-MAX, PDSO6
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