Published:2011/6/15 22:54:00 Author:Borg | Keyword: adjustable power supply | From:SeekIC
In the figure is the 1.25v~37v adjustable power supply circuit, which is a typical application cirucit of the adjustable 3-terminal stabilizer, it characterizes good functions, stable working, small size and simple installation, its maximum output current is 1.5A and its output voltage ranges from 1.25V to 37V. The circuit is suitable for experiment power supply.In the figure, C3 is used to filter to wave on RP, so that the stability of the power supply voltage is raised. Due to some reasons, when the output terminal and input terminal of LM317 are short, C2 will break the chip by releasing power in LM317, and VD6 can provide a discharging circuit for C2.
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