LM2673S-5.0

$6.49

Description：IC REG BUCK 5V 3A TO263
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tube

SKU:e061d22a6fe1 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LM2673S-5.0 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 3A TO263. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM2673S-5.0

Description：IC REG BUCK 5V 3A 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：3A
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 LM2673S-5.0

LM2673S-5.0

Voltage Regulators - DC DC Switching Regulators Overview

The LM2673S-5.0/NOPB is a Texas Instruments SIMPLE SWITCHER step-down voltage regulator featuring a fixed 5V output and 3A current capability. It operates with an input voltage range of 8V to 40V at a switching frequency of 260kHz. The device utilizes a TO-263 (D2PAK) surface-mount package and supports junction temperatures from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated monolithic power switch for simplified design
Internal frequency compensation reduces external component count
Thermal shutdown protection prevents damage during overload

Voltage Regulators - DC DC Switching Regulators Applications

Point-of-load regulation for embedded systems
Battery-powered equipment requiring efficient step-down conversion
Industrial control system power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the suffix /NOPB indicates lead-free compliance and RoHS adherence. Confirm the specific package variant matches the required thermal dissipation needs for the application environment. Ensure the fixed 5.0V output aligns with load requirements as adjustable variants exist within the same series.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a robust, high-current buck converter is needed without complex feedback loop design. The integrated switch eliminates the need for external MOSFETs. Consider the TO-263 package for its superior heat sinking capabilities compared to smaller surface-mount options in high-power scenarios.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2673 family of SIMPLE SWITCHER regulators, designed for ease of use and high efficiency. It serves as a direct replacement for older linear regulators in applications where thermal management and efficiency are critical constraints.