Tuesday, September 9, 2014

FDMF5820DC Smart Power Stage

Have you done creating high current power stage circuit diagram using the FDMF5820DC? Recently, I decided to create one by following the diagram below with instruction of course.  It is the next generation family of Fairchild with fully optimized, ultra-compact, integrated MOSFET plus driver power stage solution for high-current, high frequency, synchronous buck, DC-DC applications.


Check some features of FDMF5820DC.

  • Ultra-Compact 5 mm x 5 mm PQFN Copper-Clip Package with Flip Chip Low-Side MOSFET and Dual Cool Architecture
  • High Current Handling: 60 A
  • 3-State 3.3 V PWM Input Gate Driver
  • Dynamic Resistance Mode for Low-Side Drive (LDRV) Slows Low-Side MOSFET during Negative Inductor Current Switching
  • Auto DCM (Low-Side Gate Turn Off) Using ZCD# Input
  • Thermal Monitor for Module Temperature Reporting
  • Programmable Thermal Shutdown (P_THDN)
  • HS-Short Detect Fault# / Shutdown
  • Dual Mode Enable / Fault# Pin
  • Internal Pull-Up and Pull-Down for ZCD# and EN Inputs, respectively
  • Fairchild PowerTrench® MOSFETs for Clean Voltage Waveforms and Reduced Ringing
  • Fairchild SyncFETTM Technology (Integrated Schottky Diode) in Low-Side MOSFET
  • Integrated Bootstrap Schottky Diode

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