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Adjustable precision regulator

LM723 Internal Circuitry

Explore the internal circuitry and functional stages of LM723.

Package view

Inside LM723

Compact functional stages inside the IC body.

LM723 functional cutaway with REFERENCE, ERROR AMPLIFIER, PASS TRANSISTOR, CURRENT LIMIT.
Functional explanation, not a transistor-level schematic or physical die layout.

Explore the circuit

Select a stage to see its role and connections

Input

Divide the reference to the intended output level.

Control

Compare that level against the sensed regulated output.

Output

Adjust pass current; the sense resistor activates current limiting.

Component view