Switch Regulator Electronic Circuits

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Last Updated on: Thursday, March 22, 2012 06:30 AM

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Switching Regulator Circuits

Miniature Pushbutton On/Off Switch
In many battery powered devices, you would like to turn the circuit on and off by pressing a small pushbutton switch. One press turns the device on and second press turns it back off. The flip/flop circuit below uses a minimum number of parts to perform this function. It operates from DC supply voltage which can range from 2v to 6v. It draws very little current and takes up little space. Yet, it can control up to one amp of current. The circuit uses a single flip/flop device made by Texas Instruments.

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