Low dropout regulator

The embodiment of the invention discloses a low dropout regulator. An output end of a first power tube in the low dropout regulator is connected with an input end of a second power tube; a control end of the second power tube is connected with the output end of a mid-value voltage stabilizer; the in...

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Bibliographic Details
Main Authors ZHAO SHUANGXING, ZHAN CHENCHANG, CAI GUIGANG
Format Patent
LanguageChinese
English
Published 15.03.2017
Subjects
CONTROLLING
PHYSICS
REGULATING
SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
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Summary:The embodiment of the invention discloses a low dropout regulator. An output end of a first power tube in the low dropout regulator is connected with an input end of a second power tube; a control end of the second power tube is connected with the output end of a mid-value voltage stabilizer; the input end of the mid-value voltage stabilizer is connected with an input power supply; the scope of an input voltage value of the input power supply is more than 0 but less than or equal to 2 times of the maximum working voltage of the first power tube or the second power tube; and a voltage value at the output end of the mid-value voltage stabilizer is a difference value of the input voltage value of the input power supply and the maximum working voltage of the first power tube or the second power tube. According to the technical scheme provided by the embodiment of the invention, the second power tube and the mid-value voltage stabilizer are additionally arranged, so that the scope of the working voltage of the low
Bibliography:Application Number: CN2017115284