LM2576 Datasheet - Semtech Corporation

LM2576 1A & 3A Miniconverter Switching Regulators

The LM2575/6 series switching regulators are monolithic integrated circuits designed for use in buck or buck/ boost regulator applications requiring accurate output voltages over combined variations of line, load and temperature. This unique series greatly simplifies switching power supply desig.

LM2576 Features

* u Pin for pin replacement for Nationals LM2575/6 u DC-to-DC buck or buck/boost converter requiring only 4 support components Fixed or adjustable voltages Preset output voltages of 3.3V, 5V and 12V Wide output voltage range, 1.23V to 35V 82% typical efficiency @ 5V out Wide input voltage range, 4V t

LM2576_SemtechCorporation.pdf