Efficiency improvement of a driver by using serially connected low voltage transistors or dynamic transistor size control

Serially connected low voltage transistors are used to replace a high voltage transistor in a voltage conversion circuit for a driver, or parallel connected sub-transistors are used to establish a high voltage transistor having an effective size dynamically adjusted according to loading of the drive...

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Bibliographic Details
Main Authors JAN CHUEH-KUEI, CHENG CHIEN-YUAN, LIN SHUI-MU, HUANG TSUNG-WEI
Format Patent
LanguageEnglish
Published 10.02.2015
Subjects
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 ELECTRONIC CIRCUITRY
CONTROL OR REGULATION THEREOF
CONTROLLING
CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
PHYSICS
PULSE TECHNIQUE
REGULATING
SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
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Summary:Serially connected low voltage transistors are used to replace a high voltage transistor in a voltage conversion circuit for a driver, or parallel connected sub-transistors are used to establish a high voltage transistor having an effective size dynamically adjusted according to loading of the driver, to reduce switching loss and thereby improve the efficiency of the driver.
Bibliography:Application Number: US201313829622