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Class D Audio Output MOSFETs

IR improves the performance capabilities of Class D audio amplifiers by offering the integrated Half-Bridge IRFI4xxxH-117P series of Class D Audio MOSFETs.

The integrated Half-Bridge package reduces the part count by half and enables better PCB layout. In addition to lower On-Resistance, the series of integrated Half-Bridge Class D Audio MOSFETs provide optimized Gate Charge and Body-Diode Reverse Recovery to improve key Class D audio amplifier performance parameters such as efficiency, THD and EMI.

The new integrated Half-Bridge Class D Audio MOSFETs family covers the entire mid-voltage range, from 55V to 200V, for mid and high power amplifiers.

Features at a glance:
Low RDS(on) for higher power density
Lower gate charge for higher speed

Specifications
Part Number BVDss Rds(on)
(mOhms)
Qgtot
(nC)
Package
IRFB4212PBF1007215TO-220
IRFB4019PBF1508013TO-220
IRFB4020PBF2008018TO-220
IRFB5615PBF1503226TO-220
IRFB5620PBF2006025TO-220
IRFI4024H-117P55488.95-pin TO-220
IRFI4212H-117P10072.5155-pin TO-220
IRFI4019H-117P15080135-pin TO-220
IRFI4020H-117P20080195-pin TO-220

Conditions:
Single half-bridge configuration, with heatsink
Switching frequency = 400 kHz, Modulation Index = 90%, Vpeak factor = 10%
For more info, read AN-1070: Class D Audio Amplifier Performance Relationship to MOSFET Parameters

 
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