Stabilized switching voltage regulator comprising means for preventing overloads due to initial surge currents
AssigneeRicoh Company, Ltd.
InventorsTakashi Inoue, Fumio Asano
Life of this patent
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Abstract
A switching voltage regulator (86) is controlled to produce a low output voltage when the power is first turned on and subsequently to produce a high output voltage after a predetermined length of time has elapsed, thereby eliminating overloads due to initial surge currents.
Claims11
A switching voltage regulator apparatus comprising a switching voltage regulator and control means for controlling the regulator to initially regulate an output voltage thereof to a predetermined discrete low value when an input voltage is first applied thereto and subsequently to control the regulator to regulate the output voltage to a predetermined discrete high value.
Dependencies are inferred from the claim text.