How do I choose a power supply?
When you're selecting a power supply for your system, you'll need to consider its ambient operating temperature range. Running your power supply within its specified operating temperatures are essential for optimizing its performance, preventing overheating and breakdowns, and extending its lifespan.
What temperature should a commercial power supply be rated?
Typical commercial power supplies are specified to support their full rated load over an ambient temperature range from zero or minus 25 degrees Celsius to around 50 degrees Celsius, and they may derate to 50% load at 70 degrees Celsius.
Why should a power supply have a wide operating temperature range?
Depending on the application, a power supply with a wide operating temperature range may provide better reliability and a longer operating lifetime, prevent the need for a cooling fan or other special design consideration for thermal management, and reduce the overall cost of your system.
What makes a good power supply design?
Component selection and efficient thermal design methods are critical facets of a power supply design that can enable smaller solutions with higher output powers, using less costly cooling methods. The team at Astrodyne TDI can guide you to the optimal power supply for your power solution.
What is a good ambient temperature for a power supply?
Some applications may require ambient operating temperatures as low as -40 degrees Celsius and as high as +85 degrees Celsius, or an even wider range. A number of factors can influence the ambient temperature that a power supply is subjected to in a given application, including the following:
What does it mean if a power supply exceeds standard operating temperatures?
Exceeding standard operating temperatures means running your power supply when the ambient temperature falls outside the operating temperatures for which it is rated. Sometimes this happens — you can't predict every possible usage scenario, and you can’t always guarantee a stable environment.
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