FOLDBACK CIRCUIT OF A POWER SUPPLY BUS

A foldback circuit of a power supply bus is described herein. One device includes a current loop to bias a series pass element during a bus idle condition of the power supply bus, and a current limiter to provide a constant current through the series pass element and compensate for ambient temperatu...

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Bibliographische Detailangaben
Hauptverfasser: KANTHIMATHINATHAN, T, TOWNSEND, Robert, RAJAN, Karthick Dasu
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:A foldback circuit of a power supply bus is described herein. One device includes a current loop to bias a series pass element during a bus idle condition of the power supply bus, and a current limiter to provide a constant current through the series pass element and compensate for ambient temperature variation to limit the current through the series pass element, where the foldback circuit is to limit the current through the series pass element in response to a short circuit condition of the power supply bus.