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Fairchild Semiconductor (San Jose, CA) has introduced the RD212, a 200W DC/DC power supply reference design that offers high efficiency (up to 94 percent), and low noise characteristics due to its zero voltage switching (ZVS) technique. It provides a 24V output at 8A and protection functions such as over-voltage protection (OVP), overload protection (OLP), overcurrent protection (OCP), abnormal overcurrent protection (AOCP), and internal thermal protection (TSD).

altaltImageThe RD212 features the FSFR2100, a green FPS™ power switch that integrates a pulse-frequency-modulation (PFM) controller with a high-voltage gate driver, two fast recovery MOSFETs (FRFET®s), and important protection features such as soft-start and burst operation into a thermally-efficient SIP package. This switch offers a softswitching approach that reduces switching losses, even though the actual switching frequency increases. Through its ZVS technique, switching losses are further reduced allowing the switch to handle up to 200W without a heat sink.

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