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Selecting power supplies for peak load applications

Posted on 05 Feb 2019

Specifying an AC/DC power supply for systems with peak load requirements that are higher than the normal power requirements for short periods can result in larger, higher power and higher cost product selection.

In these applications the average power required is typically significantly lower than the peak demand and, with care, savings in product size and cost can be realized without compromising system reliability or lifetime. Using a power supply that can support the peak load but with a lower continuous power rating will result in a physically smaller power supply reducing system size, weight and cost. The supply must be electrically rated to safely support the peak demand but can be thermally rated at the lower power level.


Compact, low profile, 750W AC-DC supplies with 900W peak power for industrial, test & measurement and healthcare applications

Posted on 10 Jan 2019
The GSP750 series of 750W continuous / 900W peak, AC-DC power supply units come in a low-profile, 1U-high chassis with a compact 4” x 10” footprint and offer a wealth of features along with class-leading efficiency. The peak power capability of 900W for up to 100ms offers the potential for reduced size and cost in systems employing motors and other electromechanical loads.

Low profile full brick baseplate cooled AC-DC power supplies require no external components

Posted on 23 Nov 2017
XP Power’s ASB110 series provides a complete baseplate-cooled AC-DC power supply module that requires no external components in an industry standard full brick, low profile package. Aimed at ITE and industrial customers looking for a baseplate-cooled power supply solution, the ASB110 provides 110W of DC output power from a universal (85 – 264VAC) AC input. 

Supplying an AC/DC Power Supply from a DC source

Posted on 11 Jul 2017
A frequently asked question concerns the suitability of using an AC/DC power supply with a DC source. There are two parts to the answer, one concerning the ability of the converter to run without issue and the other concerning the safety aspects.

Robust 650 W supply meets MIL-STD-810F and ANSI/ISA standards for demanding applications

Posted on 26 Jul 2016
The HHP650 series of rugged AC-DC power supplies are designed for heavy-use industrial applications where an electrically & mechanically robust solution is required.

Green mode LLC half bridge converters

Posted on 29 Sep 2015
Power supplies marketed under the “Green” label are designed to maximise efficiency across the load range (average active mode efficiency) and minimise power consumed at no load. Active mode efficiency is the average of four measurements made at 25, 50, 75 & 100% of full load. The EU Code of Conduct also introduces a minimum efficiency at 10% load to cater for applications where the power supply spends extended periods at light load.
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