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AP3970 Description

The AP3968/69/70 consists of a primary side regulation controller and a high voltage transistor, and is specially designed for off-line power supplies within 12W output power. Typical applications include adapter for ADSL and auxiliary supplies. The AP3968/69/70 operates at pulse frequency modulation (PFM), and provides accurate constant voltage, constant current (CV/CC) regulation without requiring an opto-coupler...

AP3970 Key Features

  • Primary Side Control for Eliminating Opto-coupler and Secondary CV/CC Control Circuitry
  • Built-in NPN Transistor with 700VCBO