Semiconductor device, method for fabricating the same, and transformer circuit using the same

A semiconductor device, a method for fabricating the same, and a transformer circuit using the same are disclosed. The semiconductor device includes a trench metal oxide semiconductor (MOS) transistor for switching a load of current supplied from a power source, and a boost controller for controllin...

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Bibliographische Detailangaben
1. Verfasser:	JANG BYUNG TAK
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:	A semiconductor device, a method for fabricating the same, and a transformer circuit using the same are disclosed. The semiconductor device includes a trench metal oxide semiconductor (MOS) transistor for switching a load of current supplied from a power source, and a boost controller for controlling driving of the trench MOS transistor, the boost controller being formed with the trench MOS transistor on a single semiconductor device to form an integrated structure. In this structure, the physical space of the semiconductor device is reduced, thereby reducing the size of a DC-DC transformer circuit using the semiconductor device. It is possible to obtain finely-adjusted output values by controlling values of the ripple current and ripple voltage. A desired operational stability according to a variation in temperature can also be secured.