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L6599 High Voltage Resonant Controller   

  

 
The L6599 is a double-ended controller specifically for the seriesresonant LLC half-bridge topology. It integrates a resonant converter control circuit and high voltage halfbridge driver circuits capable of operating at voltages up to 600 V. Together with PFC controller L6563, a resonant SMPS can be designed with high efficiency above 90 % (25 to 100 % load). Evaluation boards allow cost effective design for the Resonant SMPS with PFC.

 

Key Features

  • 50 % duty cycle, variable frequency control of resonant half-bridge
  • High-accuracy oscillator
  • Up to 500 kHz operating frequency
  • Two-level OCP: frequency-shift and latched shutdown
  • Interface with PFC controller
  • Latched disable input
  • Burst-mode operation at light load
  • Input for power-ON/OFF sequencing orbrownout protection
  • Non-linear soft-start for monotonic output voltage rise
  • 600 V-rail compatible high-side gate driver with integrated bootstrap diode and high dV/dt immunity
  • -300/800 mA high-side snd low-side gate drivers with UVLO pull-down
  • DIP-16, SO-16N packages


Applications

  • AC-DC adapter, open frame SMPS
  • Telecom SMPS
  • LCD & PDP TV
  • Desktop PC, entry-level server

 


Related Links

Webpage STMicroelectronics L6599 Controller
Datasheet L6599 
(PDF 624 kB)
Application Note Reference Design - Wide range 200 Watt HB LLC resonant converter for LCD TV & flat panels
(PDF 644 kB)
Application Note Reference Design - Wide range 400 Watt HB LLC resonant converter
(PDF 1,082 kB) 
Application Note Reference Design - Wide range 400 Watt HB LLC resonant converter for PDP applications
(PDF 814 kB)

 


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