技术特性

• PFC section
  • transition mode PFC with over-current protection
  • over-voltage protection
  • feedback disconnection
  • under-voltage lockout
  • PFC choke saturation detection
  • THD optimizer
• Half-bridge section
  • preheating and ignition phases independently programmable
  • 3 % oscillator precision
  • 1.2 μs dead time
  • programmable and precise end-of-life protection compliant with all ballast configurations
  • smart hard switching detection
  • fast ignition voltage control with choke saturation detection
  • half-bridge over-current control

功能框图