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Evaluates: MAX1572 MAX1572 Evaluation Kit General Description Features
Evaluates: MAX1572 MAX1572 Evaluation Kit General Description Features

... ________________________________________________________________ Maxim Integrated Products ...
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... MC784 Quality Analyser measures, detects, stores and evaluates parameters, which are defined in several standards. Evaluation is by default performed according to limits set in European standard EN50160. Beside that users can always alter parameters according to their own requirements or according t ...
Electronicsound
Electronicsound

... This is an experimental law, valid for both alternating current (ac) and direct current (dc) circuits. When you pass an electric current (I) through a resistance (R) there will be a potential difference or voltage (V) created across the resistance. Ohm’s law gives a relationship between the voltage ...
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... CT4: For the RLC series circuit shown, which of these statements is/are true: (i) Potential energy oscillates between C and L. (ii) The source does no net work: Energy lost in R is compensated by energy stored in C and L. (iii) The current through C is 90° out of phase with the current through ...
< 1 ... 1964 1965 1966 1967 1968 1969 1970 1971 1972 ... 2646 >

Switched-mode power supply



A switched-mode power supply (switching-mode power supply, switch-mode power supply, SMPS, or switcher) is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently. Like other power supplies, an SMPS transfers power from a source, like mains power, to a load, such as a personal computer, while converting voltage and current characteristics. Unlike a linear power supply, the pass transistor of a switching-mode supply continually switches between low-dissipation, full-on and full-off states, and spends very little time in the high dissipation transitions, which minimizes wasted energy. Ideally, a switched-mode power supply dissipates no power. Voltage regulation is achieved by varying the ratio of on-to-off time. In contrast, a linear power supply regulates the output voltage by continually dissipating power in the pass transistor. This higher power conversion efficiency is an important advantage of a switched-mode power supply. Switched-mode power supplies may also be substantially smaller and lighter than a linear supply due to the smaller transformer size and weight.Switching regulators are used as replacements for linear regulators when higher efficiency, smaller size or lighter weight are required. They are, however, more complicated; their switching currents can cause electrical noise problems if not carefully suppressed, and simple designs may have a poor power factor.
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