OVER VOLTAGE PROTECTION OF A SWITCHING CONVERTER

OVER VOLTAGE PROTECTION OF A SWITCHING CONVERTER

There is provided a voltage regulator (300) comprising: switched mode regulator circuitry (..., 301, 302, 304, 306) to generate a regulated voltage (V out ), having series and shunt switching elements (301, 302); and voltage spike protection circuitry (303), arranged across the series and shunt swit...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: FISHER, DAVID, BURNS, LAWRENCE, M
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS
CONTROL OR REGULATION THEREOF
CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
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Beschreibung
Zusammenfassung:There is provided a voltage regulator (300) comprising: switched mode regulator circuitry (..., 301, 302, 304, 306) to generate a regulated voltage (V out ), having series and shunt switching elements (301, 302); and voltage spike protection circuitry (303), arranged across the series and shunt switching elements at the input to the switched mode regulator circuitry for voltage-spike-protecting the switched mode regulator circuitry, comprising a dissipative element (R sp ) and a charge-storage circuit (C sp ). The switched mode regulator circuitry (..., 301, 302, 304, 306) and the voltage spike circuitry (303) are implemented by an integrated circuit (1930) in an integrated circuit package (1940). The series and shunt switching elements (301, 302) of the switched mode regulator circuitry are subdivided into connected switching block segments (2120, 2130, 2140). The charge-storage circuit (C sp ) of the voltage-spike protection circuitry is subdivided into connected charge-storage circuit segments (2121, 2122) which are interleaved between the switching block segments.