Glossary
Ripple
What is Ripple? The magnitude of AC voltage appearing superimposed on the DC output specified in peak to peak volts or expressed as a percent of the nominal [...]
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Radio Frequency Interference (RFI)
What is Radio Frequency Interference (RFI)? The Radio Frequency Interference (RFI) is the conduction or radiation of electrical noise or radio frequency energy [...]
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Reverse Voltage Protection
What is Reverse Voltage Protection Reverse voltage protection circuits prevent damage to power supplies and electronic circuits in the event of a reverse [...]
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Remote Sensing
What is Remote Sensing? A technique of regulating the output voltage of a power supply at the load by means of sensing leads which go from the load back to the [...]
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Reinforced Insulation
What is Reinforced Insulation? The reinforced insulation is an improved basic insulation with such mechanical and electrical properties that, in itself, the [...]
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Regulation
What is Power Supply Regulation? Power supply regulation is the ability of a power supply to maintain an output voltage within a specified tolerance as [...]
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Rated Output Current
What is Rated Output Current? The rated output current is the maximum load current that a power supply can provide at a specified ambient temperature. A power [...]
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Primary
What is a Primary Circuit? The primary circuit refers to the input section of an isolated power supply, which is connected to the AC mains. This section of the [...]
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Power Good Signal
What is Power Good Signal? The power good signal is a +5 volts signal that is generated by a switching power supply when the supply has stabilized its output [...]
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Power Fail
What is Power Fail Power fail is a signal which indicates that the input power has failed. This signal gives the powered system a chance to store information or [...]
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