Powerstax N-03751-PFC ultra-compact AC-DC switching power supplies

Wednesday, 21 December, 2011 | Supplied by: Westek Electronics Pty Ltd


Powerstax has released a convection cooling option for its N-03751-PFC Series of ultra-compact AC-DC switching power supplies.

The series is designed for outdoor and semi-sealed industrial applications and low noise office environments. Its low profile will suit 1U rackmounted systems.

The option delivers 260 W across all output voltages and eliminates the need for fans and fan controllers required to cool conventional power supplies.

Where an end-system may be used in different environments, customers can simplify system level design by specifying the convection cooled device and, if required, substituting the forced-air-cooled version which offers the same compact, low profile 5x 7.7 x 2.3 mm, packaging, connectors and layout.

The synchronous rectification of the series delivers up to 93% efficiency in some models and all models feature active current sharing, allowing up to four power supplies to be operated in parallel for high output.

An optional active OR-ing MOSFET board is also available for N+1 redundant applications. Both 5 V standby and 12 V auxiliary outputs can be wired OR-able when the main output is disabled.

The series has: a compact footprint of 83.8 x 127.0 mm and low profile of 38.1 mm, suitable for use in 1U racks; an active PFC input over the range 90-264 VAC; an operating temperature range of -25 to +50°C; and meets a full range of international agency requirements, including RoHS, UL, DEMKO, CE Mark and FCC Class B.

Output is protected against overvoltage, overpower, short circuit and overtemperature.

Online: www.westek.com.au
Phone: 03 9369 8802
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