Electrical engineering toolbox
Linear / LDO Regulator
Free LM317 and LDO calculator for output voltage, R2, dropout margin, power dissipation, and junction temperature. No signup.
About this calculator
Free LM317 and LDO calculator for output voltage, R2, dropout margin, power dissipation, and junction temperature. No signup.
For design, installation, or safety decisions, verify assumptions against the applicable code edition, equipment documentation, and site requirements.
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