NEGATIVE CHARGE PUMP

NEGATIVE CHARGE PUMP

PROBLEM TO BE SOLVED: To provide a charge pump, fitted to a small package, by requiring only a few integrated circuit regions for realization of an integrated circuit. SOLUTION: The negative charge pump has been disclosed. The negative charge pump is used to drive a white LED in one application. The...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: ROBINSON CURTIS B JR
Format: Patent
Sprache:eng
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
BASIC ELECTRIC ELEMENTS
CONTROL OR REGULATION THEREOF
CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
GENERATION
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a charge pump, fitted to a small package, by requiring only a few integrated circuit regions for realization of an integrated circuit. SOLUTION: The negative charge pump has been disclosed. The negative charge pump is used to drive a white LED in one application. The negative charge pump uses, preferably an n-channel transistor switch which enables a small integrated circuit region, and further uses a soft-start mechanism to start the charge pump. COPYRIGHT: (C)2005,JPO&NCIPI