Linear regulator dissipation calculator

CI

CircuitSim

·

Created Oct 3, 2026

·

Updated Oct 3, 2026

Preview will appear once the owner saves the schematic
Details

Components

3


Schematic

Yes


Simulation

DC operating point


Copies

Not copied yet

Tags

No tags yet.

About this circuit

Estimate LM317 output, regulator heat, load current and efficiency. Admin-maintained calculator source: preserve the reviewed electrical topology and designators; layout, labels and mapped defaults remain editable.

Components used

Components used
3 components
NameManufacturerMPNCountType

Resistor

Generic

—

3

Official

DC Voltage Source

Generic

—

1

Official

Try this circuit yourself

Free to get started. No download — runs in your browser with a full SPICE engine.