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

Texas Instruments

📥 Download Datasheet

LM2678 Datasheet Preview — Preview of LM2678 PDF

Datasheet Details

Part number	LM2678
Manufacturer	Texas Instruments
File Size	2.27 MB
Description	High Efficiency 5-A Step-Down Voltage Regulator
Datasheet	LM2678-etcTI.pdf

LM2678 Product details

Description

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.

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 Output Tolerance Over Full Line and Load Conditions.
Wide Input Voltage Range: 8 V to 40 V.
260-kHz Fixed Frequency Internal Oscillator.
40 to 125°C Operating Junct.

📁 LM2678 Similar Datasheet

LM2670 - SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator (National Semiconductor)
LM2671 - SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator (National Semiconductor)
LM2672 - SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator (National Semiconductor)
LM2672EP - SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator (National Semiconductor)
LM2673 - SIMPLE SWITCHER 3A Step-Down Voltage Regulator (National Semiconductor)
LM2674 - SIMPLE SWITCHER Power Converter High Efficiency 500 mA Step-Down Voltage Regulator (National Semiconductor)
LM2675 - SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator (National Semiconductor)
LM2675EP - Enhanced Plastic SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator (National Semiconductor)

Other Datasheets by Texas Instruments

LM2670S-12 - High Efficiency 3-A Step-Down Voltage Regulator
LM2670S-3.3 - High Efficiency 3-A Step-Down Voltage Regulator
LM2670S-5.0 - High Efficiency 3-A Step-Down Voltage Regulator
LM2670T-12 - High Efficiency 3-A Step-Down Voltage Regulator
LM2670T-3.3 - High Efficiency 3-A Step-Down Voltage Regulator
LM2670T-5.0 - High Efficiency 3-A Step-Down Voltage Regulator

Published: Apr 21, 2021 |