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AP3983E - HIGH FREQUENCY PRIMARY SIDE POWER SWITCHER

Datasheet Summary

Description

The AP3983E is high frequency power switcher for power supplies with better conversion efficiency, better voltage & current accuracy, and improved protection functions.

Features

  • Primary Side Control for Eliminating Opto-coupler.
  • Valley Switching Turn on for Higher Efficiency and Better EMI Performance.
  • Better Transient Characteristics.
  • Built-in N Channel MOSFET with 700 BVDSS.
  • Low Start-up Current: 0.2A (Typ. ).
  • Internal Output Cable Voltage Drop Compensation.
  • Hiccup Function to Improve Short Circuit Protection.
  • Better Over Voltage Protection.
  • Better Over Temperature Protection.
  • Low Total Cost Solution.
  • Output Powe.

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Datasheet preview – AP3983E

Datasheet Details

Part number AP3983E
Manufacturer DIODES
File Size 549.98 KB
Description HIGH FREQUENCY PRIMARY SIDE POWER SWITCHER
Datasheet download datasheet AP3983E Datasheet
Additional preview pages of the AP3983E datasheet.

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Full PDF Text Transcription

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A D V A N CNEEDW IPNRF ODRUMCATT I O N AP3983E HIGH FREQUENCY PRIMARY SIDE POWER SWITCHER FOR OFF-LINE SMPS Description The AP3983E is high frequency power switcher for power supplies with better conversion efficiency, better voltage & current accuracy, and improved protection functions. Typical applications include adapter for ADSL, home appliance power supply, LED lighting power supply and PC auxiliary power supplies. The AP3983E with built in MOSFET, regulates the output voltage and current in the primary side by piece-wise Pulse Frequency Modulation (p-PFM) in discontinuous conduction mode (DCM).
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