AP3988 Datasheet - Diodes

AP3988, PRIMARY SIDE POWER SWITCHER

A Product Line of Diodes Incorporated AP3988/89/90 PRIMARY SIDE POWER SWITCHER FOR OFF-LINE SMPS .
The AP3988/89/90 is a performance enhanced power switcher for power supplies with better conversion efficiency, better voltage & current accuracy, and.

Features

* Primary Side Control for Eliminating Opto-coupler Secondary CV/CC Control Circuitry Built-in NPN Transistor with 700VCBO Low Start-up Current: 0.2A (Typ. ) Internal Output Cable Voltage Drop Compensation Hiccup Function to Improve Short Circuit P

Applications

* include charger, adapter for ADSL, home appliance power supply, LED lighting power supply and PC auxiliary power supplies. The controller regulates the output voltage and current in the primary side by piece-wise Pulse Frequency Modulation (pPFM) in discontinuous conduction mode (DCM). The system op

AP3988-Diodes.pdf