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AP3983D - HIGH FREQUENCY PRIMARY SIDE POWER SWITCHER

Download the AP3983D datasheet PDF. This datasheet also covers the AP3983B variant, as both devices belong to the same high frequency primary side power switcher family and are provided as variant models within a single manufacturer datasheet.

General Description

The AP3983B/C/D are series of high frequency power switcher for power supplies with better conversion efficiency, better voltage & current accuracy, and improved protection functions.

Key Features

  • Primary Side Control for Eliminating Opto-coupler.
  • Better Transient Characteristics.
  • Built-in N Channel MOSFET with 650 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 Power Range (Note 1): AP3983B for 6W Adapter AP3983C (SO-7) for 7.5W AP3983C (PDIP-7.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (AP3983B-Diodes.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

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AP3986P N-CHANNEL ENHANCEMENT MODE POWER MOSFET Advanced Power Electronics
AP3987I N-CHANNEL ENHANCEMENT MODE POWER MOSFET Advanced Power Electronics
AP3987P N-CHANNEL ENHANCEMENT MODE POWER MOSFET Advanced Power Electronics
AP3987P-HF N-CHANNEL ENHANCEMENT MODE POWER MOSFET Advanced Power Electronics

Other Datasheets by Diodes Incorporated

Part Number Description
AP3983B HIGH FREQUENCY PRIMARY SIDE POWER SWITCHER
AP3983C HIGH FREQUENCY PRIMARY SIDE POWER SWITCHER
AP3983E HIGH FREQUENCY PRIMARY SIDE POWER SWITCHER
AP3983R PRIMARY SIDE REGULATED SWITCHING MODE POWER SUPPLY CONTROLLER
AP3984 PRIMARY SIDE POWER SWITCHER

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
AP3983B/C/D HIGH FREQUENCY PRIMARY SIDE POWER SWITCHER FOR OFF-LINE SMPS Description Pin Assignments The AP3983B/C/D are series of high frequency power switcher for power supplies with better conversion efficiency, better voltage & current accuracy, and improved protection functions. Typical applications include charger, adapter for ADSL, home appliance power supply, LED lighting power supply and PC auxiliary power supplies. The AP3983B/C/D 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).