Description
The CXA3809M has optimum configuration to realize various power supply circuits easily and compactly by
including Power-factor correction, resonant controller and various protection function in one package.
(Applications: Power supply circuit, etc.)

FEATUREs
Power-factor correction
  Multiplierless critical conduction mode (CRM) control
  Supports W/W input
  Restart timer
  Maximum frequency limit (during overcurrent detection)
  Continuous overcurrent detection protection function
Resonant controller
  Timer-latch over current protection
  Soft start function
  Adjustment minimum frequency limit
  Pulse over current load detection
  Out of resonance prevention function at start-up
Common
  Adjacent 2-pin short protection
  Various protection functions including overvoltage and overcurrent
  AC off detection
  PFC-OK signal output

Structure
BiCMOS silicon monolithic IC