HV9904
Preliminary Engineering Specification
HV9904 Multi Converter Controller
Features
Eliminates High Voltage Input Electrolytic Capacitor Smallest and Most Reliable Off-Line Solution Constant Current or Constant Voltage Mode Control Can be Operated Directly from Rectified AC Mains 10V to 400V Input Range Internal
Regulator 1.
5mA Operating Supply Current PLL Based Loop Control with Soft Start On-Time Varies Inversely with Input Voltage Frequency Varies with Load 2.
5V Differential Sense Recommended for 10W Applications
General Description
The Supertex HV9904 is a second order PWM controller designed to provide a constant average current output or a consta...