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參數(shù)資料
| 型號(hào)： | TDA4814 |
| 廠商： | SIEMENS AG |
| 元件分類(lèi)： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Power Factor Controller IC for High Power Factor and Active Harmonic Filter |
| 中文描述： | 功率因數(shù)控制器IC，用于高功率因數(shù)，有源諧波濾波器 |
| 文件頁(yè)數(shù)： | 12/14頁(yè) |
| 文件大?。?/td> | 312K |
| 代理商： | TDA4814 |
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Semiconductor Group
12
TDA 4814
Discontinuous Operation Mode with Variable Frequency
The TDA 4814 A work in a discontinuous operation mode with variable frequency.
The principle of a freely oscillating controller exploits the physical relationship between current and
voltage at the boost converter choke. The current in the semiconductors flows in a triangular shape.
It is only when the current in the boost converter diode has gone to zero that the transistor goes
conductive. This arrangement does away with the diode’s power-squandering reverse currents.
If triangular currents flow continuously through the boost converter choke the input current
averaged over a high-frequency period is exactly half the peak of the high-frequency choke current.
If the peak values of the choke current are located along an envelope curve that is proportional to
a sinusoidal, low-frequency input voltage, the input current available after smoothing in an RFI filter
is sinusoidal.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA4814A | 制造商:INFINEON 制造商全稱(chēng):Infineon Technologies AG 功能描述:Power Factor Controller IC for High Power Factor and Active Harmonic Filter |
| TDA4817 | 制造商:INFINEON 制造商全稱(chēng):Infineon Technologies AG 功能描述:Power Factor Controller IC for High Power Factor and Active Harmonic Filtering |
| TDA4817G | 制造商:INFINEON 制造商全稱(chēng):Infineon Technologies AG 功能描述:Power Factor Controller IC for High Power Factor and Active Harmonic Filtering |
| TDA4820 | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述: |
| TDA4820T | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Sync separation circuit for video applications |
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