AI845 3BSE023675R1 | ABB | DC secondary rectifier

Description

AI845 3BSE023675R1 | ABB | DC secondary rectifier

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AI845 3BSE023675R1 primary side switch: In the input voltage range of 300-400Vdc, the active clamp transformer has the lowest peak current on the primary side, while single switch and double switch forward topologies have active clamp

Similar RMS current, but with significant conductivity loss due to MOSFET rated voltage.

The DC secondary rectifier of the resonant half bridge transformer has the lowest voltage stress, followed by active clamping, and then single switch and double switch forward transformers. Due to the switch surge, the pressure on traditional circuit structures is higher.

The retention time requirement can be achieved by increasing the capacitance value or transformer input range.

In terms of magnetism, the AI845 3BSE023675R1 resonant half bridge provides significant simplification by removing the output inductance, but it poses considerable challenges in transformer design. Compared with traditional forward transformers, the output inductance of active clamp transformers can be reduced by about 13% at the same frequency.

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Mailbox：sauldcsplc@gmail.com |AI845 3BSE023675R1
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