LM2679S-5.0/NOPB

$6.06

Description：IC REG BUCK 5V 5A TO263
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tube

SKU:11f33a7ea9c6 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LM2679S-5.0/NOPB is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC REG BUCK 5V 5A TO263. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM2679S-5.0/NOPB

Description：IC REG BUCK 5V 5A TO263
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tube
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Fixed
Number of Outputs：1
Voltage - Input (Min)：8V
Voltage - Input (Max)：40V
Voltage - Output (Min/Fixed)：5V
Voltage - Output (Max)：-
Current - Output：5A
Frequency - Switching：260kHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：TO-263-8, D2PAK (7 Leads + Tab), TO-263CA
Supplier Device Package：TO-263 (DDPAK-7)
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM2679S-5.0/NOPB

LM2679S-5.0/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2679S-5.0/NOPB is a Texas Instruments SIMPLE SWITCHER step-down switching regulator with a fixed 5V output and 5A maximum current capability. It operates from an 8V to 40V input range using a TO-263-7 package. The device integrates a 260kHz oscillator, soft-start, thermal shutdown, and programmable current limiting.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated high-efficiency DMOS power switch for reduced external component count
Fixed 260kHz switching frequency allows use of smaller inductors and capacitors
Built-in thermal shutdown and adjustable peak current limit protect against faults

Voltage Regulators - DC DC Switching Regulators Applications

High-efficiency point-of-load regulation
Pre-regulator for linear regulators
Battery chargers

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the suffix /NOPB indicates lead-free/RoHS compliance. Confirm the 'S' designation corresponds to the TO-263-7 package. Check datasheet revision dates as this part may be marked not recommended for new designs.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this fixed 5V version when a stable 5V rail is required. Ensure input voltage stays within 8V-40V. Consider the TO-263-7 package for thermal management at full 5A load compared to smaller packages.

Voltage Regulators - DC DC Switching Regulators Part Context

Part of the LM2679 SIMPLE SWITCHER family offering 5A buck conversion. Includes variants like LM2679T (TO-220) and LM2679SD (VSON). Designed for simplified power supply design with minimal external components.