LM2678 Datasheet (Texas Instruments) - High Efficiency 5-A Step-Down Voltage Regulator

LM2678, High Efficiency 5-A Step-Down Voltage Regulator

The LM2678 series of regulators are monolithic integrated circuits which provide all of the active functions for a step-down (buck) switching regulator capable of driving up to 5-A loads with excellent line and load regulation characteristics.

High efficiency (>90%) is obtained through the use of a

LM2678 Features

* 1 Efficiency Up to 92%

* Simple and Easy to Design Using Off-the-Shelf External Components

* 120-mΩ DMOS Output Switch

* 3.3-V, 5-V, and 12-V Fixed Output and Adjustable (1.2 V to 37 V) Versions

* 50-μA Standby Current When Switched OFF

* ±2% Maximum