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电源设计 － 饱和电感
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输入数据 |
Vr= |
68 |
V |
整流二极管的反向电压 |
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If= |
45 |
A |
整流二极管的正向电流 |
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trr= |
25 |
ns |
整流二极管的反向恢复时间 |
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fdc= |
180 |
kHz |
B范围的频率 |
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Ae= |
12.9 |
mm2 |
磁芯面积 |
59 85 000 301 |
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le= |
29.5 |
mm |
磁路长度 |
59 85 000 301 |
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Vm= |
381 |
mm3 |
磁芯体积 |
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Vt= |
381 |
mm3 |
总磁芯体积 |
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AL0= |
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nH/T2 |
AL, 无气隙,
无直流偏置 |
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ur= |
900 |
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互感系数，无气隙，无直流偏置 |
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Bmax= |
400 |
mT |
最大磁通密度 @ 100degC |
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中间数据 |
Ft= |
10.3 |
uWb |
总磁通 |
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Pmt= |
1,852 |
mW/cm3 |
芯损, Toshiba MT, 50kHz to
300kHz |
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Pms= |
2,652 |
mW/cm3 |
芯损, Toshiba MS, 50kHz to
300kHz |
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Pas= |
2,660 |
mW/cm3 |
芯损, Allied Signal 2714AS,
50-300kHz |
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P3= |
5,284 |
mW/cm3 |
芯损, Philips 3F3, 50kHz to
300kHz |
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P85= |
6,189 |
mW/cm3 |
芯损, Fair-Rite 85 Material,
20-100kHz |
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Rth= |
71.1 |
K/W |
Rth, 环形，开口，自然对流 |
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输出数据 |
Np= |
0.5 |
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最小匝数 |
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Nr= |
1 |
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选定的最小匝数 |
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Hpko= |
1,525 |
A/m |
磁感应强度, SI |
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Hpko= |
19 |
Oe |
磁感应强度, USA |
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Pmt= |
0.7 |
W |
芯损, Toshiba MT |
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Pms= |
1.0 |
W |
芯损, Toshiba MS |
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Pas= |
1.0 |
W |
芯损, AlliedSignal 2714AS |
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P3= |
2.0 |
W |
芯损, 3F3 |
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P85= |
2.4 |
W |
芯损, Fair-Rite 85 Material |
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dTmt= |
50 |
℃ |
磁芯温升, Toshiba MT |
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dTms= |
72 |
℃ |
磁芯温升, Toshiba MS |
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dTas= |
72 |
℃ |
磁芯温升, AlliedSignal |
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dT3= |
143 |
℃ |
磁芯温升, 3F3 |
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dT85= |
167 |
℃ |
磁芯温升, Fair-Rite |
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| 磁芯工作温度假设为100℃ |
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| 在80-90℃时有最小功耗 |
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| 磁芯最高工作温度应小于<140℃ |
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| 公式的精度为±20% |
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| SMPS电源公司 |
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| 只做正确的事就是最需要做的事™ |
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| www.PowerSupplies.net |
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| www.GoToPower.net |
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| 版权所有©1998-2005 SMPS Power Supplies,
Inc. 保留所有权利 |
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| 版权所有©1990-1997 LCD Consulting |
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| 版权所有©1979-1989 Constantin Darius Livescu |
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欢迎评论和建议。查看完整的电子表格:ADH2450Deszg.xls
- The content in
languages other than English was translated by a computer software and
may not be completely accurate!
版权所有©1998-2005
SMPS电源公司. 保留所有权利
版权所有©1998-2005
SMPS电源公司.
保留所有权利
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