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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsLM2678SX-ADJ
LM2678SX-ADJ Image
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See specifications for product details.

LM2678SX-ADJ - Texas Instruments

Manufacturer Part Number
LM2678SX-ADJ
Manufacturer
Texas Instruments
Allelco Part Number
32D-LM2678SX-ADJ
ECAD Model
Parts Description
IC REG BUCK ADJ 5A TO263-7
Detailed Description
Package
TO-263-8, D²Pak (7 Leads + Tab), TO-263CA
Data sheet
LM2678.pdf
RoHs Status
ROHS3 Compliant
In stock: 6233

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Quantity

Specifications

LM2678SX-ADJ Tech Specifications
Texas Instruments - LM2678SX-ADJ technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - LM2678SX-ADJ

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Output (Min/Fixed) 1.21V  
Voltage - Output (Max) 37V  
Voltage - Input (Min) 8V  
Voltage - Input (Max) 40V  
Topology Buck  
Synchronous Rectifier No  
Supplier Device Package DDPAK/TO-263-7  
Series SIMPLE SWITCHER®  
Package / Case TO-263-8, D²Pak (7 Leads + Tab), TO-263CA  
Product Attribute Attribute Value  
Package Tape & Reel (TR)  
Output Type Adjustable  
Output Configuration Positive  
Operating Temperature -40°C ~ 125°C (TJ)  
Number of Outputs 1  
Mounting Type Surface Mount  
Function Step-Down  
Frequency - Switching 260kHz  
Current - Output 5A  
Base Product Number LM2678  

Parts Introduction

Manufacturer Part Number

LM2678SX-ADJ

Manufacturer

Texas Instruments

Introduction

High-efficiency, SIMPLE SWITCHER 5A step-down voltage regulator

Product Features and Performance

High efficiency for reduced power loss

Low-ripple Pulse Width Modulation (PWM)

Uses readily available standard inductors

Requires minimal external components

Thermal shutdown and current limit protection

Ensures a stable output with varying input conditions

Product Advantages

Simple design implementation

High efficiency optimizes power usage

Built-in protection features ensure long-term reliability

Flexible usage across a wide input voltage range

Key Technical Parameters

Switching frequency: 260kHz

Output current capability: 5A

Input voltage range: 8V to 40V

Adjustable output voltage: 1.21V to 37V

Operating temperature range: -40°C to 125°C

Quality and Safety Features

Over-temperature protection

Current limit protection

Compatibility

Compatible with a wide range of input voltages

Flexible for adjustable output applications

Application Areas

Efficient power supply applications

Consumer electronics

Industrial systems

Automotive electronics

Product Lifecycle

Product Status: Last Time Buy

Replacement options available

Several Key Reasons to Choose This Product

Reliable performance from a respected manufacturer

High level of integration simplifies design and manufacturing

Wide input voltage range suitable for various applications

Adjustable output voltage offers design flexibility

Built-in safety features minimize risk of failure

Last Time Buy status captures this product before discontinuation

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments LM2678SX-ADJ

Product Attribute LM2678SX-ADJ LM2679SD-ADJ LM2678T-12 LM2678SX-5.0
Part Number LM2678SX-ADJ LM2679SD-ADJ LM2678T-12 LM2678SX-5.0
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Output Type Adjustable Adjustable Fixed Fixed
Topology Buck Buck Buck Buck
Supplier Device Package DDPAK/TO-263-7 14-VSON (5x6) TO-220-7 DDPAK/TO-263-7
Frequency - Switching 260kHz 260kHz 260kHz 260kHz
Package Tape & Reel (TR) Tape & Reel (TR) Tube Tape & Reel (TR)
Function Step-Down Step-Down Step-Down Step-Down
Synchronous Rectifier No No No No
Output Configuration Positive Positive Positive Positive
Current - Output 5A 5A 5A 5A
Number of Outputs 1 1 1 1
Mounting Type Surface Mount Surface Mount Through Hole Surface Mount
Voltage - Input (Max) 40V 40V 40V 40V
Voltage - Output (Max) 37V 37V - -
Voltage - Output (Min/Fixed) 1.21V 1.21V 12V 5V
Series SIMPLE SWITCHER® SIMPLE SWITCHER® SIMPLE SWITCHER® SIMPLE SWITCHER®
Base Product Number LM2678 LM2679 LM2678 LM2678
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Voltage - Input (Min) 8V 8V 15V 8V
Package / Case TO-263-8, D²Pak (7 Leads + Tab), TO-263CA 14-VDFN Exposed Pad TO-220-7 Formed Leads TO-263-8, D²Pak (7 Leads + Tab), TO-263CA

LM2678SX-ADJ Datasheet PDF

Download LM2678SX-ADJ pdf datasheets and Texas Instruments documentation for LM2678SX-ADJ - Texas Instruments.

PCN Assembly/Origin
LMDMOS devices 23/Mar/2018.pdf
HTML Datasheet
LM2678.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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LM2678SX-ADJ Image

LM2678SX-ADJ

Texas Instruments
32D-LM2678SX-ADJ

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