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 dis
Features
- Primary Side Control for Eliminating Opto-coupler.
- Better Transient Characteristics.
- Built-in N Channel MOSFET with 650 BVDSS.
- Low Start-up Current: 0.2A (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.