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What does SEPIC stand for? 

What does SEPIC mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: SEPIC.

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SEPIC

Single Ended Primary Inductor Converter

Academic & Science » Electronics

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SEPIC

Single-Ended Primary-Inductor Converter

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What does SEPIC mean?

sepic
The single-ended primary-inductor converter (SEPIC) is a type of DC/DC converter that allows the electrical potential (voltage) at its output to be greater than, less than, or equal to that at its input. The output of the SEPIC is controlled by the duty cycle of the control switch (S1). A SEPIC is essentially a boost converter followed by an inverted buck-boost converter, therefore it is similar to a traditional buck-boost converter, but has advantages of having non-inverted output (the output has the same electrical polarity as the input), using a series capacitor to couple energy from the input to the output (and thus can respond more gracefully to a short-circuit output), and being capable of true shutdown: when the switch S1 is turned off enough, the output (V0) drops to 0 V, following a fairly hefty transient dump of charge.SEPICs are useful in applications in which a battery voltage can be above and below that of the regulator's intended output. For example, a single lithium ion battery typically discharges from 4.2 volts to 3 volts; if other components require 3.3 volts, then the SEPIC would be effective.

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    Single Ended Primary Inductor Converter
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