參數資料
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: 20/32頁
文件大小: 275K
代理商: AN-18
AN-18
A
7/96
20
12.8
-0.5
7.5
7.5
-0.5
-0.6
25-0.7
17.5+0.8
8.7+0.5
Electrical
Characteristics
Ae =0.525 cm2
le = 5.75 cm
AL= 18
PI-1796-030896
All Dimensions are in mm
Figure 2. EF25 Core.
27.5
17.3-0.25
7.7
+0.15
1
3
2
9
-
7
-0.3
170.3
0.7±0.1
0.7
0.7
±0.1
PI-1797-030896
All Dimensions are in mm
(WT)
(WF)
Figure 3. EF25 Bobbin.
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 1 SPREADSHEET)
SYMBOL
-
A
e
L
e
A
L
BW
M
L
N
S
VALUE
EF25
0.525 cm
2
5.75 cm
1800 nH/T
2
15.1 mm
3 mm
2
6 t
SOURCE
Core Specifications
Core Specifications
Core Specifications
Calculated from Bobbin
Specifications
Default Value from
AN-16
Default Value from
AN-16
See Text
Table 4. Transformer Construction Variables for EF25 Margin Wound Transformer Design.
相關PDF資料
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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