參數(shù)資料
型號: AN-18
英文描述: TOPSwitch Flyback Transformer Construction Guide
中文描述: 回掃變壓器的TOPSwitch施工指南
文件頁數(shù): 27/32頁
文件大?。?/td> 275K
代理商: AN-18
A
7/96
AN-18
27
DESCRIPTION
Core Type
Core Effective Cross
Sectional Area
Core Effective Path Length
Core Ungapped
Inductance Coefficient
Bobbin Physical Winding Width
Margin Width
Number of Primary
Winding Layers
Number of
Secondary Turns
CELL #
B23
B24
B25
B26
B27
B28
B29
B30
TRANSFORMER CONSTRUCTION VARIABLES
(INPUT TO TABLE 6 SPREADSHEET)
SYMBOL
-
A
e
L
e
A
L
BW
M
L
N
S
VALUE
EF20
0.335 cm
2
4.49 cm
1470 nH/T
2
12.0 mm
0
2
9 t
SOURCE
Core Specification
Core Specification
Core Specification
Core Specification
Calculated from Bobbin
Specification
Default Value from
AN-16
Default Value from
AN-16
See Text
Table 7. Transformer Construction Variables for EF20 Triple Insulated Wire Design.
Figure 6. EF20 Core.
10.2
-0.4
5.9
5.9
-0.4
-0.5
20.4
-0.8
14.1+0.6
7 +0.5
PI-1821-040296
Electrical
Characteristics
Ae = 0.335 cm2
le = 4.49 cm
AL = 1470 nH/T2
All Dimensions are in mm
22
13.9-0.25
6.1
+0.15
1
3
2
7
-
6
-0.3
13.7
-0.25
0.6±0.1
0.6
0.45
±0.1
PI-1822-040296
All Dimensions are in mm
(WT)
(WF)
Figure 7. EF20 Bobbin.
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PDF描述
AN-19 TOPSwitch Flyback Power Supply Efficiency
AN-20 Transient Suppression Techniques for TOPSwitch Power Supplies
AN-22 OBSOLETE when inventory is depleted. 10% tolerance no l
AN-23 TinySwitch Flyback Design Methodology
AN-29 TOPSwitch-GX Flyback Quick Selection Curves
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