International Rectifier, IR ® (NYSE: IRF), a world leader in power management technology, today announced the expansion of its PowIRaudio™ family of integrated power modules with the introduction of the IR4311M and IR4312M. The 40V IR4311M and IR4312M offer a compact, heatsink-free solution for low power Class D audio applications including tabletop audio systems, active speakers and musical instruments with integrated amplifiers.
The combination of an advanced audio controller IC with MOSFETs fully optimized for audio performance results in improved efficiency, THD, and EMI, allowing the IR43xxM family to operate without a mechanical heatsink over a wide power supply range on either a single or split power supply. High voltage ratings and noise immunity ensure reliable operation over various environmental conditions.
“The new 40V IR4311M and IR4312M PowIRaudio™ modules simplify system design by eliminating the need for a heatsink,” said Jun Honda, Director of Audio Systems Engineering, IR’s Energy Saving Products Business Unit.
Additional features common to the family include over-current protection, thermal shutdown, internal/external shutdown and floating differential input. The IR4312M also offers clip detection.Two reference designs, the IRAUDAMP15 and IRAUDAMP18, featuring the IR4311M and IR4312M respectively are also available. More information is available on the International Rectifier website at http://www.irf.com/whats-new/nr130108.html. Availability and Pricing Pricing for the IR4311M begins at US $1.61 in 10,000-unit quantities. Production orders are available immediately. Prices are subject to change. The new devices are MSL2 industrial-qualified and RoHS compliant. About International Rectifier International Rectifier (NYSE:IRF) is a world leader in power management technology. IR’s analog and mixed signal ICs, advanced circuit devices, integrated power systems and components enable high performance computing and reduce energy waste from motors, the world’s single largest consumer of electricity. Leading manufacturers of computers, energy efficient appliances, lighting, automobiles, satellites, aircraft and defense systems rely on IR’s power management benchmarks to power their next generation products. For more information, go to www.irf.com. Trademark Notice PowIRaudio™ is a trademark of International Rectifier. IR ® is a registered trademark of International Rectifier Corporation. All other product names noted herein may be trademarks of their respective holders.
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