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FAN7631 - PFM Controller

General Description

The FAN7631 is a pulse frequency modulation controller for high efficiency half bridge resonant converters that includes a high side gate drive circuit, an accurate current

controlled oscillator, and various protection functions.

Key Features

  • include variable dead time, operating frequency up to 600 kHz, protections such as LUVLO, and a selectable latch or A/R protection using the LS pin for user convenience. The Zero.
  • Voltage.
  • Switching (ZVS) technique reduces the switching losses and improves the efficiency significantly. ZVS also reduces the switching noise noticeably, which allows a small Electromagnetic Interference (EMI) filter. Offering everything necessary to build a reliable and robust resonant converter, the F.

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Datasheet Details

Part number FAN7631
Manufacturer onsemi
File Size 1.37 MB
Description PFM Controller
Datasheet download datasheet FAN7631 Datasheet

Full PDF Text Transcription for FAN7631 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for FAN7631. For precise diagrams, and layout, please refer to the original PDF.

Advanced Pulse Frequency Modulation (PFM) Controller for Half-Bridge Resonant Converters FAN7631 Description The FAN7631 is a pulse−frequency modulation controller for hi...

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cription The FAN7631 is a pulse−frequency modulation controller for high−efficiency half−bridge resonant converters that includes a high−side gate drive circuit, an accurate current−controlled oscillator, and various protection functions. The FAN7631 features include variable dead time, operating frequency up to 600 kHz, protections such as LUVLO, and a selectable latch or A/R protection using the LS pin for user convenience. The Zero−Voltage−Switching (ZVS) technique reduces the switching losses and improves the efficiency significantly. ZVS also reduces the switching noise noticeably, which allows a small Electromagnetic