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LM317 and LM337 dual variable power supply

Using two three terminal regulators like LM337 and LM317 we can design a very simple high efficiency power supply electronic project using few external electronic parts.
The LM317 and LM337 are adjustable 3-terminal positive , respective negative voltage regulators capable of supplying wide output voltage range at a maximum output current of 1.5 ampere.
These three terminal voltage regulators are very easy to use in any application and require only 2 external resistors to set the output voltage and 1 output capacitor for frequency compensation.

This regulators serve a wide variety of applications including local on-card regulation, programmable-output voltage regulation or precision current regulation .

Electronic Circuits: 
Circuit Diagram: 
LM317 and LM337 dual variable power supply circuit design electronic project

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