Single Output Power
Features & Benefits
What are single output power supplies?
In AC-DC Single Output Power Supplies, a specific DC output is obtained from a 120VAC or 240VAC input using
a combination of transformers, diodes and transistors. AC-DC Single Output Power Supplies can be of two
types: regulated power supplies, and unregulated power supplies. Regulated power supplies come in two AC to
DC styles: Switching regulated AC to DC, Linear regulated AC to DC.
Switching regulated power supplies, sometimes referred to as SMPS power supplies, switchers, or switched
mode power supplies, regulate the output voltage using a complex high frequency switching technique that
employs pulse width modulation and feedback. Acopian switching regulated 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. Acopian switching regulated power supplies are highly
efficient, small and lightweight, and are available in AC-DC (and our DC-DC configurations).
Linear regulated power supplies regulate the output using a dissipative regulating circuit. They are
extremely stable, have very low ripple, and have no switching frequencies to produce EMI. Galvanic
isolation is standard in our linears, affording our users input to output and output to ground isolation
for maximum versatility.
Unregulated power supplies are basic power supplies with an AC input and an unregulated output. The output
voltage changes with the input voltage and load. These power supplies are inexpensive and extremely
reliable.
Why use single output power supplies?
When a specific DC output voltage is required, a single output power supply can be less costly and have a
smaller footprint, especially in linear regulated models. Another benefit of single output over wide
adjust, or variable output, is the ability to use multiple like power supplies for output redundancy, when
reliability and continuous operation are crucial.
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