INTERNATIONAL RECTIFIER - THE POWER MANAGEMENT LEADER

More channels, Smaller Size for Class D Audio Design

Save space and energy with IR’s Class D Audio chipsets that deliver Class AB performance with the channels you need at a size you can squeeze into today’s space constrained applications such as sound bars and car audio units.

Applications

  • Home multimedia systems
  • Automotive audio systems
  • Battery-powered portable products
  • High-end professional amplifiers
  • Musical instruments

IR’s DirectFET® package enables system benefits such as reduced footprint, improved PCB layout, reduced EMI, and improved thermal characteristics over other plastic package devices. The device electrical parameters are tuned specifically for improved audio performance. In addition, class D audio application critical parameter such as internal Gate Resistance, RG(int), has a guaranteed maximum value for improved dead time control. This is an important factor to reduce system THD level. This innovative solution enables customers to provide high performance audio systems with better reliability and higher amplifier output power.

DirectFET® MOSFETs

Specifications
Part Number BVDss Rds(on)
(mOhms)
Qgtot
(nC)
Package
IRF6644TRPBF10010.335DirectFET SJ
IRF6645TRPBF1002814DirectFET SJ
IRF6665TRPBF100538.4DirectFET SH
IRF6646TRPBF807.636DirectFET MN
IRF6648TRPBF605.536DirectFET MN
IRF6668TRPBF801222DirectFET MZ
IRF6775MTRPBF1504725DirectFET MZ
IRF6785MTRPBF2008526DirectFET MZ

 
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Class D Audio Output MOSFETs
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