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AN628 数据表(PDF) 29 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) 29 Page - STMicroelectronics

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AN628 APPLICATION NOTE
Figure 27. P.C.B. Solder Side (Dimensions 88 x 150mm)
DEMO BOARD TEST RESULTS
Table 1. Maximum power range at 110Vac
(*) Most significant losses balance at maximum power (110Vmains):
– Power-mos (Q1+Q2) dissipated power = 9.6W.
– Bridge (B1) dissipated power = 6.3W.
– Boost turbo-diode (D4) dissipated power = 1.6W.
– Boost inductor L1 = 2W
– Aux. Inductor L2 = 1.6W.
– NTC dissipated power = 1.1W.
– Snubber = 1.4W
Vmains
Pout
Vout
Pin
THD
PF
Eff.
88Vac
403W
401Vdc
433W
5.1%
0.998
.93
110Vac (*)
407W
403Vdc
431W
2.2%
0.999
.945
132Vac
409W
404Vdc
430W
2.7%
0.999
.95



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