Switching Power Features & Benefits
What are switching power supplies?
Switching power supplies, sometimes referred to as SMPS power supplies, switchers, or switch mode power supplies, regulate the output voltage using a complex high frequency switching technique that employs pulse width modulation and feedback. Acopian's switching power supplies also employ extensive EMI filtering and shielding to attenuate both common and differential mode noise conducted to the line and load. Galvanic isolation is standard in our switchers, affording our users input to output and output to ground isolation for maximum versatility. Switching regulated power supplies are highly efficient, small and lightweight, and are available in both AC-DC single and wide-adjust output and DC-DC configurations. Our Low Profile wide adjust output switching power supplies can be voltage or current regulated and are externally programmable.
Why use switching power supplies?
Switching power supplies are smaller, lighter, and more efficient than linear power supplies. For example, a 250Watt linear power supply would require 600 in
3 of mounting space and weighs 26 lbs, while a comparable ac-dc switching power supply would require 60 in
3 of mounting space and weighs 2 lbs. Linear power supplies have efficiencies in the 40%-60% range, while switching power supplies fall in the 70%-90% range. This means less power wasted as heat, thus a lower operating cost.
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