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Variable-voltage-regulator

2017-08-20 20:18  
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The variable voltage regulator lets you adjust the output voltage of a fixed de power supply between 1.2 and 37 V de, and will supply the output current in excess of 1.5 A. The circuit incorporates an LM117K three-terminal adjustable output positive voltage regulator in a T0-3 can. Thermal overload protection and short-circuit current-limiting constant with temperature are included in the package.
Variable-voltage-regulator

Capacitor C1 reduces sensitivity to input line impedance, and C2 reduces excessive ringing. Diode CR1 prevents C2 from discharging through the IC during an output short.



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