Overview

The LM317 device is an adjustable three-terminal positive-voltage regulator capable of supplying more than 1.5 A over an output-voltage range of 1.25 V to 37 V. It requires only two external resistors to set the output voltage. The device features a typical line regulation of 0.01% and typical load regulation of 0.1%. It includes current limiting, thermal overload protection, and safe operating area protection. Overload protection remains functional even if the ADJUST terminal is disconnected.

Features:

  • Output voltage range adjustable from 1.25 V to 37 V
  • Output current greater than 1.5 A
  • Internal short-circuit current limiting
  • Thermal overload protection
  • Output safe-area compensation


Specifications


Pin Configuration



Wiring 


Sample Circuits



References

ReferenceURL
Product Sheethttps://www.ti.com/product/LM317?utm_source=google&utm_medium=cpc&utm_campaign=app-null-null-GPN_EN-cpc-pf-google-wwe&utm_content=LM317&ds_k=LM317&DCM=yes&gclid=CjwKCAiA6aSABhApEiwA6Cbm_8msIfojRSdbf92TxxAbqRYrkq48YGj8rKtlE-mIZHc-k-eqRCK99hoCKJAQAvD_BwE&gclsrc=aw.ds
Data Sheethttps://www.ti.com/lit/ds/symlink/lm317.pdf?ts=1611208104766&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FLM317



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