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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsLM2673SD-3.3
LM2673SD-3.3 Image
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See specifications for product details.

LM2673SD-3.3 - Texas Instruments

Manufacturer Part Number
LM2673SD-3.3
Manufacturer
Texas Instruments
Allelco Part Number
32D-LM2673SD-3.3
ECAD Model
Parts Description
IC REG BUCK 3.3V 3A 14VSON
Detailed Description
Package
14-VDFN Exposed Pad
Data sheet
LM2673SD-3.3.pdf
In stock: 9250

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Quantity

Specifications

LM2673SD-3.3 Tech Specifications
Texas Instruments - LM2673SD-3.3 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - LM2673SD-3.3

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Output (Min/Fixed) 3.3V  
Voltage - Output (Max) -  
Voltage - Input (Min) 8V  
Voltage - Input (Max) 40V  
Topology Buck  
Synchronous Rectifier No  
Supplier Device Package 14-VSON (5x6)  
Series SIMPLE SWITCHER®  
Package / Case 14-VDFN Exposed Pad  
Product Attribute Attribute Value  
Package Tape & Reel (TR)  
Output Type Fixed  
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 3A  
Base Product Number LM2673  

Parts Introduction

Manufacturer Part Number

LM2673SD-3.3

Manufacturer

Texas Instruments

Introduction

The LM2673SD-3.3 is a part of the SIMPLE SWITCHER® series from Texas Instruments, designed specifically for step-down (buck) voltage regulation. It offers a fixed output voltage configuration.

Product Features and Performance

Step-down (Buck) regulator topology

Fixed output configuration with a 3.3V output voltage

Capable of driving a 3A load with excellent line and load regulation

Input voltage range from 8V to 40V

Switching frequency at 260kHz

Operates over a wide temperature range of -40°C to 125°C

Non-synchronous rectification

Product Advantages

High efficiency over a wide range of input voltages

Simple external components for design flexibility

Thermal shutdown and current limit for added safety

Compact 14-VDFN Exposed Pad package saves space on PCB

Key Technical Parameters

Voltage Input (Min): 8V

Voltage Input (Max): 40V

Voltage Output (Min/Fixed): 3.3V

Current Output: 3A

Frequency Switching: 260kHz

Operating Temperature: -40°C to 125°C (TJ)

Quality and Safety Features

Built-in thermal shutdown

Current limiting feature

High reliability and long-life design

Compatibility

Applicable for a wide range of electronic devices requiring 3.3V

Application Areas

Industrial controls

Consumer electronics

Power management solutions

Product Lifecycle

The product status is Obsolete, indicating it is nearing discontinuation with limited availability

Potential replacements or upgrades may be available in the SIMPLE SWITCHER® series

Several Key Reasons to Choose This Product

Reliable performance from a reputable manufacturer, Texas Instruments

High efficiency step-down voltage regulation suitable for a variety of applications

Simple design requirements enable quick and efficient prototyping

Built-in safety features ensure product longevity and reliability

Suitable for diverse electronic applications due to broad input voltage range and compact form factor

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments LM2673SD-3.3

Product Attribute LM2673SD-3.3 LM2673S-12 LM2673T-5.0 LM2673SD-ADJ
Part Number LM2673SD-3.3 LM2673S-12 LM2673T-5.0 LM2673SD-ADJ
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Voltage - Output (Min/Fixed) 3.3V 12V 5V 1.2V
Current - Output 3A 3A 3A 3A
Package / Case 14-VDFN Exposed Pad TO-263-8, D²Pak (7 Leads + Tab), TO-263CA TO-220-7 Formed Leads 14-VDFN Exposed Pad
Voltage - Input (Min) 8V 8V 8V 8V
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Supplier Device Package 14-VSON (5x6) DDPAK/TO-263-7 TO-220-7 14-VSON (5x6)
Function Step-Down Step-Down Step-Down Step-Down
Output Type Fixed Fixed Fixed Adjustable
Base Product Number LM2673 LM2673 LM2673 LM2673
Voltage - Output (Max) - - - 37V
Voltage - Input (Max) 40V 40V 40V 40V
Number of Outputs 1 1 1 1
Output Configuration Positive Positive Positive Positive
Frequency - Switching 260kHz 260kHz 260kHz 260kHz
Package Tape & Reel (TR) Tube Tube Tape & Reel (TR)
Series SIMPLE SWITCHER® SIMPLE SWITCHER® SIMPLE SWITCHER® SIMPLE SWITCHER®
Mounting Type Surface Mount Surface Mount Through Hole Surface Mount
Topology Buck Buck Buck Buck
Synchronous Rectifier No No No No

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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LM2673SD-3.3 Image

LM2673SD-3.3

Texas Instruments
32D-LM2673SD-3.3

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