Machine Design

Triple-Output Power Switcher

The LPT50 Series triple-output 50-W switching power supply accepts universal input voltage (90 to 264 Vdc or 127 to 300 Vdc) and frequency (47 to 440 Hz) to provide dc positive outputs from 3.3 to 24 V.

The units are rated for convection cooling, offer 5.5 W/cu in., and deliver up to 9 A from the primary output. The LPT50 features overpower and short-circuit protection and CISPR 22 Class B EMI filtering. With more than 550,000 hr MTBF, the power supply offers high efficiency and over-voltage protection on the main output. A "power good" LED indicator is also included.

Astec Power, 5810 Van Allen Way, Carlsbad, CA92008, (760) 930-4600,

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