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LM2679S-12 Datasheet 5-A Step-Down Voltage Regulator

Manufacturer: Texas Instruments

Download the LM2679S-12 datasheet PDF. This datasheet also includes the LM2679 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (LM2679-etcTI.pdf) that lists specifications for multiple related part numbers.

General Description

The LM2679 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 low ONresistance DMOS power switch.

The series consists of fixed output voltages of 3.3 V, 5 V, and 12 V and an adjustable output version.

Overview

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM2679 SNVS026O – MARCH 2000 – REVISED JUNE 2016 LM2679 SIMPLE SWITCHER® 5-A Step-Down Voltage Regulator With Adjustable Current Limit.

Key Features

  • 1 Efficiency Up to 92%.
  • Simple and Easy to Design Using Off-The-Shelf External Components.
  • Resistor Programmable Peak Current Limit Over a Range of 3 A to 7 A.
  • 120-mΩ DMOS Output Switch.
  • 3.3-V, 5-V, 12-V Fixed Output and Adjustable (1.2 V to 37 V) Versions.
  • ±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.
  • Soft-Start C.

More Datasheets from Texas Instruments

Part Number Description
LM2679S-3.3 5-A Step-Down Voltage Regulator
LM2679S-5.0 5-A Step-Down Voltage Regulator
LM2679 5-A Step-Down Voltage Regulator
LM2679T-12 5-A Step-Down Voltage Regulator
LM2679T-3.3 5-A Step-Down Voltage Regulator
LM2679T-5.0 5-A Step-Down Voltage Regulator
LM2670 High Efficiency 3-A Step-Down Voltage Regulator
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