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Low Power Start Circuit for Switching Regulator Disclosure Number: IPCOM000052962D
Original Publication Date: 1981-Aug-01
Included in the Prior Art Database: 2005-Feb-12

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Driscoll, CD Waechter, M [+details]


This article describes a switching regulator start circuit in which an initial bias voltage is developed through an RC charging circuit connected to the bulk voltage circuit. The charging circuit is disabled by a voltage-sensitive control circuit after startup to reduce power dissipation.