Published:2011/6/2 11:07:00 Author:Michel | Keyword: Numerical Control, D. C., Regulated Power Supply, Eight | From:SeekIC
The numerical control D. C. power-supply circuits-fixed introduced in the example uses control buttons and digital IC and it adopts LED to indicate the magnitude of the output voltage which has 8 grades.Its maximum current is 1.5A.
Work's Principle of the CircuitThe numerical control D. C. power-supply circuits-fixed is composed of +12V voltage constant voltage control circuit,voltage control indication circuit and constant voltage output circuit and it is showed as the 5-27 picture.
The +12V voltage constant voltage control circuit consists of mains transformer,T,rectifier bridge,UR,filter capacitor,C1,C2,C6,C7 and three-terminal integrated regulator,IC1.
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