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參數資料
| 型號： | L4981BD |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 穩壓器 |
| 英文描述： | 2 A POWER FACTOR CONTROLLER, 115 kHz SWITCHING FREQ-MAX, PDSO20 |
| 封裝： | SO-20 |
| 文件頁數： | 5/16頁 |
| 文件大小： | 2620K |
| 代理商： | L4981BD |
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
13/16
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PDF描述 |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| L4981BD | 制造商:STMicroelectronics 功能描述:POWER FACTOR CORRECTOR SMD 4981 |
| L4981BD013TR | 功能描述:功率因數校正 IC Very High Power RoHS:否 制造商:Fairchild Semiconductor 開關頻率:300 KHz 最大功率耗散: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
| L4981DIE1 | 制造商:STMicroelectronics 功能描述: |
| L4981X | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:POWER FACTOR CORRECTOR |
| L4981XD | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:POWER FACTOR CORRECTOR |
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