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L4981B Folha de dados(PDF) 13 Page - STMicroelectronics

Nome de Peças L4981B
Descrição Electrónicos  POWER FACTOR CORRECTOR
PDF  16 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L4981B Folha de dados(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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