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L4981B 数据表(PDF) 13 Page - STMicroelectronics

部件名 L4981B
功能描述  POWER FACTOR CORRECTOR
PDF  16 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L4981B 数据表(HTML) 13 Page - STMicroelectronics

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DEMO BOARD EVALUATION RESULTS
Table 2. Nominal Power range at 110Vac.
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
Table 3. Nominal Power range at 220Vac.
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
REFERENCE:
AN628 - DESIGNING A HIGH POWER FACTOR SWITCHING PREREGULATOR WITH THE L4981
CONTINUOUS MODE
L4981A - L4981B
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