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LM2679T-5.0 - 5-A Step-Down Voltage Regulator

Download the LM2679T-5.0 datasheet PDF. This datasheet also covers the LM2679 variant, as both devices belong to the same 5-a step-down voltage regulator family and are provided as variant models within a single manufacturer datasheet.

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.

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.

📥 Download Datasheet

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

📁 Similar Datasheet

Part Number Description Manufacturer
LM2679 SIMPLE SWITCHER 5A Step-Down Voltage Regulator National Semiconductor
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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

Other Datasheets by Texas Instruments

Part Number Description
LM2679T-12 5-A Step-Down Voltage Regulator
LM2679T-3.3 5-A Step-Down Voltage Regulator
LM2679 5-A Step-Down Voltage Regulator
LM2679S-12 5-A Step-Down Voltage Regulator
LM2679S-3.3 5-A Step-Down Voltage Regulator

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
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 1 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.