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Switching power supplies roll for medical instrumentation

Posted: 16 May 2008 ?? ?Print Version ?Bookmark and Share

Keywords:medical instrumentation apps? switching power supply? PFC?

Designed for medical and dental instrumentation, Astrodyne Corp. has announced the multipackage PMMK225 line of high-density switching power supplies that provide output power of 225W with active PFC. The PMMK225 series is available in three package styles: U-channel, fully enclosed or DIN rail mounts.

All PMMK225 models accept universal input from 90Vac to 264Vac, and six models, in each package style, provide single outputs from 5Vdc to 48Vdc. The PMMK225 series is approved for UL/EN60601-1 medical safety specifications.

Using high-density SMT construction and providing power densities of up to 4W/inch3, the PMMK225 offers reduced case sizes, which are up to 30 percent smaller than products with similar output power, according to Astrodyne.

All models feature shortcircuit, overvoltage and overcurrent protection and an integral power-good LED indicator. The PMMK225 series operates at 100 percent capability to a temperature of 50C with 18 CFM forced cooling. All models feature screw terminal I/O connections. Commercial (PMK225) UL/EN60950-1 versions are also available.

Pricing is $102 in OEM quantities. Delivery is six weeks ARO.

- Gina Roos

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