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AN628 数据表(PDF) 30 Page - STMicroelectronics

部件名 AN628
功能描述  DESIGNING A HIGH POWER FACTOR SWITCHING
PDF  35 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

AN628 数据表(HTML) 30 Page - STMicroelectronics

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AN628 APPLICATION NOTE
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Table 2. Maximum power range at 220Vac
(*) Most significant losses balance at maximum power (220Vmains):
– Power-mos (Q1+Q2) dissipated power = 7.1W.
– Bridge (B1) dissipated power = 4W.
– Boost turbo-diode (D4) dissipated power = 1.3W.
– Boost inductor L1 = .6W
– Aux. Inductor L2 = 0.9W.
– NTC dissipated power = 0.8W.
– Snubber = 0.9W
Table 3. Nominal power range at 110Vac
(*) Most significant losses balance at nominal power (110Vmains):
– Power-mos (Q1+Q2) dissipated power = 9.3W.
– Bridge (B1) dissipated power = 5.7W.
– Boost turbo-diode (D4) dissipated power = 1.5W.
– Boost inductor L1 = 1.8W
– Aux. Inductor L2 = 1.35W.
– NTC dissipated power = 1W.
– Snubber = 1.2W
Table 4. Nominal power range at 220Vac
(*) Most significant losses balance at nominal power (220Vmains):
– Power-mos (Q1+Q2) dissipated power = 6.9W.
– Bridge (B1) dissipated power = 3.5W.
– Boost turbo-diode (D4) dissipated power = 1.3W.
– Boost inductor L1 = 0.5W
– Aux. Inductor L2 = 0.83W.
– NTC dissipated power = 0.8W.
– Snubber = .8W
Vmains
Pout
Vout
Pin
THD
PF
Eff.
176Vac
415W
407Vdc
430W
4.2%
0.997
.965
220Vac (*)
417W
408Vdc
431W
5.8%
0.994
.967
264Vac
419W
409Vdc
431W
7.4%
0.989
.972
Vmains
Pout
Vout
Pin
THD
PF
Eff.
88Vac
366W
404Vdc
397W
5%
0.998
.92
110Vac (*)
370W
406Vdc
395W
2.2%
0.999
.94
132Vac
372W
407Vdc
394W
3%
0.999
.945
Vmains
Pout
Vout
Pin
THD
PF
Eff.
176Vac
378W
410Vdc
394W
4.7%
0.997
.959
220Vac (*)
381W
412Vdc
395W
6.4%
0.993
.964
264Vac
381W
412Vdc
395W
8.1%
0.987
.964



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