LM317 Voltage Regulator Calculator

LM317VinVoutADJ
Uses the ideal LM317 equation. Real output depends on tolerance, minimum load current, heatsinking, package thermal resistance, and layout.
Output voltage
5.036 V
Output voltage: 5.036 V · Input has headroom
Required R2
720 Ω
Minimum input voltage
8.036 V
Divider current
5.208 mA
Regulator heat
0.696 W