BETAReference and feedback
An internal divider scales the fixed 5 V output sensed at pin 4 for comparison with the reference.
52 kHz buck regulator
LM2576 Internal Circuitry
Explore the internal circuitry and functional stages of LM2576.
Package view
Inside LM2576
Switching control drawn inside the five-pin package.
Explore the circuit
Select a stage to see its role and connections
Pulse-width control
The error signal and oscillator control the power-switch pulse width.
Power and protection
The switch feeds pin 2. Current and temperature protections supervise operation.