DC-DC CONVERSION CIRCUIT

In order to restrict variations of an output voltage of a DC-DC conversion circuit using TFTs, in a boost-type, a second n-ch TFT N 2 and a second p-ch TFT P 2 are newly provided. With regard to the second n-ch TFT N 2 , a gate thereof is connected to a second capacitor C 2 , a source thereof is con...

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Bibliographische Detailangaben
1. Verfasser:	KARUBE, MASAO
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING 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 ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION CONTROL OR REGULATION THEREOF CONTROLLING CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER CRYPTOGRAPHY DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING DISPLAY EDUCATION ELECTRICITY FREQUENCY-CHANGING GENERATION NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS REGULATING SEALS SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	In order to restrict variations of an output voltage of a DC-DC conversion circuit using TFTs, in a boost-type, a second n-ch TFT N 2 and a second p-ch TFT P 2 are newly provided. With regard to the second n-ch TFT N 2 , a gate thereof is connected to a second capacitor C 2 , a source thereof is connected to a first reference voltage source YVDD, and a drain thereof is connected to a first capacitor C 1 . With regard to the second p-ch TFT P 2 , a gate thereof is connected to the second capacitor C 2 , a source thereof is connected to a third capacitor C 3 , and a drain thereof is connected to the first capacitor C 1 . Thus, a voltage at the first capacitor C 1 stops being influenced by the variations of a threshold voltage between a source and drain of a first diode D 1.