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单词 Flyback converter
释义

Flyback converter

英语百科

Flyback converter

Fig. 1: Schematic of a flyback converter
Fig. 2: The two configurations of a flyback converter in operation: In the on-state, the energy is transferred from the input voltage source to the transformer (the output capacitor supplies energy to the output load). In the off-state, the energy is transferred from the transformer to the output load (and the output capacitor).
Fig. 3: Waveform - using primary side sensing techniques - showing the 'knee point'.

The flyback converter is used in both AC/DC and DC/DC conversion with galvanic isolation between the input and any outputs. The flyback converter is a buck-boost converter with the inductor split to form a transformer, so that the voltage ratios are multiplied with an additional advantage of isolation. When driving for example a plasma lamp or a voltage multiplier the rectifying diode of the boost converter is left out and the device is called a flyback transformer.
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更新时间：2025/6/21 7:32:46