LM2673SD-5.0/NOPB Texas Instruments Integrated Circuit (Small Outline No-lead) In Stock

Name: LM2673SD-5.0/NOPB
Brand: Texas Instruments
SKU: LM2673SD-5.0/NOPB
Availability: InStock

Texas Instruments LM2673SD-5.0/NOPB is a 3A step-down DC-DC switching regulator with voltage-mode PWM control, 8–40V input range, and 5.0V fixed output. Features pulse-width modulation for stable regulation in industrial and automotive power supply designs. From $2.86, in stock worldwide shipping.

ACTIVEIntegrated CircuitVerified May 2026

Package / Visual Reference

LM2673SD-5.0/NOPBSmall Outline No-lead

Quick Facts

Manufacturer: Texas Instruments
Package: Small Outline No-lead
Pin Count: 14
Lifecycle: ACTIVE
Datasheet: LM2673SD-5.0/NOPB Datasheet PDF
Category: Integrated Circuit
Price: From $2.8600(MOQ 250)
Temp Range: -40.0°C to 125.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of LM2673SD-5.0/NOPB?

3A output current capability for medium-power step-down conversion
Wide 8V to 40V input voltage range suits industrial and automotive applications
Fixed 5.0V output with voltage-mode PWM control for stable regulation
14-pin Small Outline No-lead (LLP) package for compact PCB footprint
RoHS-compliant Pb-free construction (JESD-609 e3 rated)

What is LM2673SD-5.0/NOPB used for?

The LM2673SD-5.0/NOPB is well-suited for industrial power supplies, automotive electronics, and distributed power architectures requiring a regulated 5V rail from higher-voltage sources. Its wide input range and 3A current capacity make it ideal for powering microcontrollers, FPGAs, and peripherals in battery-operated or vehicle systems. It also fits telecom equipment and motor driver pre-regulation stages where efficient, compact step-down conversion is critical.

What are the specifications of LM2673SD-5.0/NOPB?

Pbfree Code	Yes
YTEOL	15
Analog IC - Other Type	SWITCHING REGULATOR
Control Mode	VOLTAGE-MODE
Control Technique	PULSE WIDTH MODULATION
Input Voltage-Max	40V
Input Voltage-Min	8V
Input Voltage-Nom	12V
JESD-30 Code	R-XDSO-N14
JESD-609 Code	e3
Number of Functions	1
Number of Outputs	1
Output Current-Max	3A
Output Voltage-Max	37V
Output Voltage-Min	1.23V
Output Voltage-Nom	5V
Package Body Material	UNSPECIFIED
Package Equivalence Code	SOLCC14,.2,32
Package Shape	RECTANGULAR
Package Style	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel)	260
Qualification Status	Not Qualified
Surface Mount	YES
Switcher Configuration	BUCK
Switching Frequency-Max	260kHz
Temperature Grade	AUTOMOTIVE
Terminal Finish	Matte Tin (Sn)
Terminal Form	NO LEAD
Terminal Pitch	0.8mm
Terminal Position	DUAL
Time@Peak Reflow Temperature-Max (s)	30
Package	Small Outline No-lead

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 1
ECCN	EAR99
HTS Code	8542.39.00.90

Where can I find the LM2673SD-5.0/NOPB datasheet?

LM2673SD-5.0/NOPB Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for LM2673SD-5.0/NOPB?

Compatible alternatives and drop-in replacements for LM2673SD-5.0/NOPB:

LM2673SD-5.0National Semiconductor Corporation

Switching Regulator, Current-mode, 5.4A, 280kHz Switching Freq-Max

View Part →

Compare all alternatives & request quotes →

Frequently Asked Questions

What is the input voltage range of the LM2673SD-5.0/NOPB?

The LM2673SD-5.0/NOPB accepts an input voltage from 8V minimum to 40V maximum, with a nominal operating voltage of 12V. This wide input range makes it suitable for automotive (12V/24V) and industrial 24V–36V bus systems.

What output voltage and current does the LM2673SD-5.0/NOPB provide?

This device provides a fixed 5.0V output voltage and can deliver up to 3A of continuous output current. The voltage-mode PWM control technique ensures tight output regulation across the full load range.

What package does the LM2673SD-5.0/NOPB use, and is it RoHS compliant?

The LM2673SD-5.0/NOPB comes in a 14-pin Small Outline No-lead (LLP/SOIC) package, JESD-30 code R-XDSO-N14. It is fully RoHS-compliant with a Pb-free JESD-609 e3 rating, as indicated by the NOPB suffix.

What are typical applications for the LM2673SD-5.0/NOPB?

Typical applications include industrial control systems, automotive ECU power rails, telecom equipment, distributed power architectures, and any design needing an efficient step-down converter to generate a stable 5V rail from an 8V–40V source.

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About Texas Instruments

Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.

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AvailabilityIn Stock

Reference Price (USD)

From $2.8600

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
250+	$3.9800	$995.00
500+	$3.2200	$1610.00
1000+	$3.0400	$3040.00
10000+	$2.8600	$28600.00

pcs

Unit price: $3.9800 · Total: $995.00

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Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

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Procurement Manager, VoltEdge Energy, India

LM2673SD-5.0/NOPB Texas Instruments Integrated Circuit (Small Outline No-lead) In Stock

What are the key features of LM2673SD-5.0/NOPB?

What is LM2673SD-5.0/NOPB used for?

What are the specifications of LM2673SD-5.0/NOPB?

Compliance & Regulatory

Where can I find the LM2673SD-5.0/NOPB datasheet?

What are equivalent replacements for LM2673SD-5.0/NOPB?

Frequently Asked Questions

What is the input voltage range of the LM2673SD-5.0/NOPB?

What output voltage and current does the LM2673SD-5.0/NOPB provide?

What package does the LM2673SD-5.0/NOPB use, and is it RoHS compliant?

What are typical applications for the LM2673SD-5.0/NOPB?

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Why Buy from FindMyChip

About Texas Instruments

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