LM2576 Datasheet - Micrel Semiconductor

LM2576 52kHz Simple 3A Buck Voltage Regulator

The LM2576 series of monolithic integrated circuits provide all the active functions for a step-down (buck) switching regulator. Fixed versions are available with a 3.3V, 5V, or 12V fixed output. Adjustable versions have an output voltage range from 1.23V to 37V. Both versions are capable of driving.

LM2576 Features

* 3.3V, 5V, 12V, and adjustable output versions

* Voltage over specified line and load conditions: Fixed version: ±3% max. output voltage Adjustable version: ± 2% max. feedback voltage

* Guaranteed 3A output current

* Wide input voltage range: 4V to 40V

* Wide

LM2576_MicrelSemiconductor.pdf