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參數(shù)資料
| 型號： | MR2900 |
| 廠商： | Shindengen Electric Manufacturing Company, Ltd. |
| 英文描述： | Provision for Standby mode operation Partial Resonance Power Supply IC Module |
| 中文描述： | 撥備待機模式操作局部共振電源IC模塊 |
| 文件頁數(shù)： | 13/19頁 |
| 文件大?。?/td> | 226K |
| 代理商： | MR2900 |
Shindengen Electric MFG.CO.,LTD
- 13 -
5.1 Design Flow Chart
5.2 Main Transformer Design Procedure
This design procedure provides an example of an electrical design procedure.
Ensure that design of insulation materials, insulation configuration, and structure are in accordance with the necessary safety
standards as determined by the relevant authorities.
5.2.1 Standard Design Conditions
Abbreviation
Unit
Reference value
Minimum input voltage
Rated output voltage
Rated output current
V
AC(min)
V
o
I
o
V
V
A
―
―
―
Maximum output current
Efficiency
Minimum oscillation frequency
I
o(max)
η
f
(min)
A
―
0.80
～
0.85
25k
～
50kHz
kHz
Duty ratio
Control coil voltage
Effective cross-sectional area of transformer core
D
V
NC
A
e
0.50
～
0.70
15
～
17V
―
V
mm
2
Magnetic flux density variation
Coil current density
Δ
B
α
mT
A/mm
250
～
320mT
4
～
6A/mm
2
2
Note that the above values are for reference only, and should be adjusted to suit load conditions.
5. Design Procedures
MR2900
Application Note
Refer to:
5.2 Main Transformer Design Procedure
5.3 Main Transformer Design Examples
Selection of primary circuit
components
Main transformer design
Specifications determined
Cooling design
Trial manufacture
Refer to:
5.4 Selection of Constants for Peripheral Components
Operational checks
Completion
No problems
Problems found
Reexamination
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