參數(shù)資料
型號(hào): AN701
廠商: Vishay Intertechnology,Inc.
英文描述: Designing High-Frequency DC-to-DC Converters With the Si9114A Switchmode Controller
中文描述: 設(shè)計(jì)高頻型DC - DC轉(zhuǎn)換器隨著Si9114A開關(guān)模式控制器
文件頁數(shù): 17/20頁
文件大?。?/td> 1113K
代理商: AN701
AN701
Vishay Siliconix
Document Number: 70575
16-Jan-01
www.vishay.com
17
The configuration of the forward converter transformer is as
follows (note the polarity/phasing of the windings):
Figure 29
C
1
C
2
D
1
D
2
L
1
+
The above equations and calculations are supplied only as a
guide for the designer. In practical terms other factors will must
be considered, including the following:
Effective required voltage adjustment range of output
Losses in the primary side of the circuit, including the sense
resistor and the MOSFET voltage drops
Losses in the secondary side of the circuit, including dc
losses in the output choke
Forward voltage of the rectifier over load and temperature
Interconnection losses, including remote sense drops
OR-ing diode losses, if used in multiple converters.
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