LM2678S-ADJ/NOPB Texas Instruments Integrated Circuit (TO-XXX (Inc. DPAK)) In Stock

Name: LM2678S-ADJ/NOPB
Brand: Texas Instruments
SKU: LM2678S-ADJ/NOPB
Availability: InStock

LM2678S-ADJ/NOPB is a SIMPLE SWITCHER step-down DC/DC switching regulator from Texas Instruments. It supports 8V to 40V input, delivers up to 5A output current with high efficiency via pulse width modulation. Ideal for industrial and automotive power conversion. From $2.50 in stock with worldwide shipping.

ACTIVEIntegrated CircuitVerified May 2026

Package / Visual Reference

LM2678S-ADJ/NOPBTO-XXX (Inc. DPAK)

Quick Facts

Manufacturer: Texas Instruments
Package: TO-XXX (Inc. DPAK)
Pin Count: 4
Lifecycle: ACTIVE
Datasheet: LM2678S-ADJ/NOPB Datasheet PDF
Category: Integrated Circuit
Price: From $2.4987(MOQ 1)
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 LM2678S-ADJ/NOPB?

8V to 40V wide input voltage range supports diverse power supply designs
5A high output current capability for demanding load applications
Voltage-mode PWM control ensures stable and efficient regulation
High efficiency step-down topology minimizes heat dissipation
TO-DPAK package offers compact, surface-mount friendly footprint
RoHS compliant (Pb-free) meets modern environmental standards

What is LM2678S-ADJ/NOPB used for?

The LM2678S-ADJ/NOPB is widely used in industrial power supplies, automotive electronics, and telecom equipment where efficient voltage step-down conversion is required. Its wide input voltage range and 5A current rating make it suitable for powering microcontrollers, FPGAs, and peripheral circuits in embedded systems. It also serves well in battery-powered devices and DC-DC converter modules requiring reliable, high-efficiency regulation.

What are the specifications of LM2678S-ADJ/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-PSSO-G7
JESD-609 Code	e3
Number of Functions	1
Number of Outputs	1
Output Current-Max	5A
Output Voltage-Max	37V
Output Voltage-Min	1.23V
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	SMSIP7H,.55,50TB
Package Shape	RECTANGULAR
Package Style	SMALL OUTLINE
Peak Reflow Temperature (Cel)	245
Qualification Status	Not Qualified
Surface Mount	YES
Switcher Configuration	BUCK
Switching Frequency-Max	260kHz
Temperature Grade	AUTOMOTIVE
Terminal Finish	Matte Tin (Sn)
Terminal Form	GULL WING
Terminal Pitch	1.27mm
Terminal Position	SINGLE
Time@Peak Reflow Temperature-Max (s)	30
Package	TO-XXX (Inc. DPAK)

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 3
ECCN	EAR99
HTS Code	8542.39.00.90

Where can I find the LM2678S-ADJ/NOPB datasheet?

LM2678S-ADJ/NOPB Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for LM2678S-ADJ/NOPB?

Compatible alternatives and drop-in replacements for LM2678S-ADJ/NOPB:

LM2678SX-ADJ/NOPBTexas Instruments

Switching Regulator, Voltage-mode, 5A, 260kHz Switching Freq-Max, PSSO7

View Part →

LM2678S-ADJNational Semiconductor Corporation

Switching Regulator, Voltage-mode, 8.75A, 280kHz Switching Freq-Max, PSSO7

View Part →

Compare all alternatives & request quotes →

Frequently Asked Questions

What is the input voltage range of the LM2678S-ADJ/NOPB?

The LM2678S-ADJ/NOPB accepts an input voltage range of 8V to 40V, with a nominal operating voltage of 12V. This wide range makes it suitable for a variety of industrial and automotive power supply designs.

What output current can the LM2678S-ADJ/NOPB deliver?

The LM2678S-ADJ/NOPB can deliver up to 5A of continuous output current. Combined with its high-efficiency PWM control, it effectively handles demanding load requirements in power conversion applications.

What package type does the LM2678S-ADJ/NOPB come in?

The LM2678S-ADJ/NOPB is available in a TO-DPAK (PSSO-7) surface-mount package, which provides good thermal performance while keeping the PCB footprint compact and suitable for automated assembly.

What are typical applications for the LM2678S-ADJ/NOPB?

Typical applications include industrial power supplies, automotive electronics, telecom equipment, and embedded systems requiring efficient step-down voltage regulation. Its 8V-40V input range and 5A output make it ideal for powering FPGAs, microcontrollers, and DC-DC converter modules.

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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 $2.4987

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
1+	$8.2400	$8.24
10+	$6.0000	$60.00
25+	$5.6900	$142.25
45+	$5.5500	$249.75
78+	$2.5963	$202.51
101+	$2.4987	$252.37

pcs

Unit price: $8.2400 · Total: $8.24

In Stock · 24h Response · Worldwide Shipping

Direct Contact

WhatsApp Inquiry Email RFQ

Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”

Rajesh Patel

Procurement Manager, VoltEdge Energy, India

LM2678S-ADJ/NOPB Texas Instruments Integrated Circuit (TO-XXX (Inc. DPAK)) In Stock

What are the key features of LM2678S-ADJ/NOPB?

What is LM2678S-ADJ/NOPB used for?

What are the specifications of LM2678S-ADJ/NOPB?

Compliance & Regulatory

Where can I find the LM2678S-ADJ/NOPB datasheet?

What are equivalent replacements for LM2678S-ADJ/NOPB?

Frequently Asked Questions

What is the input voltage range of the LM2678S-ADJ/NOPB?

What output current can the LM2678S-ADJ/NOPB deliver?

What package type does the LM2678S-ADJ/NOPB come in?

What are typical applications for the LM2678S-ADJ/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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