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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsLM2574MX-3.3
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LM2574MX-3.3 - Texas Instruments

Manufacturer Part Number
LM2574MX-3.3
Manufacturer
Texas Instruments
Allelco Part Number
32D-LM2574MX-3.3
ECAD Model
Parts Description
IC REG BUCK 3.3V 500MA 14SOIC
Detailed Description
Package
14-SOIC (0.295", 7.50mm Width)
Data sheet
LM2574MX-3.3.pdf
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In stock: 16690

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Specifications

LM2574MX-3.3 Tech Specifications
Texas Instruments - LM2574MX-3.3 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - LM2574MX-3.3

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Output (Min/Fixed) 3.3V  
Voltage - Output (Max) -  
Voltage - Input (Min) 4V  
Voltage - Input (Max) 40V  
Topology Buck  
Synchronous Rectifier No  
Supplier Device Package 14-SOIC  
Series SIMPLE SWITCHER®  
Package / Case 14-SOIC (0.295", 7.50mm Width)  
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 52kHz  
Current - Output 500mA  
Base Product Number LM2574  

Parts Introduction

Manufacturer Part Number

LM2574MX-3.3

Manufacturer

Texas Instruments

Introduction

The LM2574MX-3.3 is part of the SIMPLE SWITCHER® series of voltage regulators, specifically a step-down (buck) regulator providing an easy-to-use solution for low-power, high-efficiency voltage conversion.

Product Features and Performance

Step-down voltage regulator

Fixed 3.3V output voltage

500mA output current capability

Wide input voltage range from 4V to 40V

52kHz switching frequency for good balance between efficiency and external component size

Operating Temperature from -40°C to 125°C ensuring reliability in various environments

Surface Mount 14-SOIC package for compact PCB design

Product Advantages

Ease of use with minimal external parts required

High efficiency suitable for battery-operated devices

Built-in thermal shutdown and current-limit features for enhanced safety

High-reliability design with a wide operating temperature range

Key Technical Parameters

Output Type: Fixed 3.3V

Input Voltage Range: 4V to 40V

Output Current: 500mA

Switching Frequency: 52kHz

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Built-in thermal shutdown

Overcurrent protection

High-temperature performance

Compatibility

Compatible with various input sources within specified voltage range

Compatible with surface mount technology for PCB integration

Application Areas

Battery-powered devices

Consumer electronics

Small appliances

Portable equipment

Product Lifecycle

Obsolete status indicates discontinuation

Possible availability of replacements or upgrades

Consult manufacturer for support with alternate parts

Several Key Reasons to Choose This Product

Simplicity of design, reducing time-to-market for products

Dependable performance from a trusted manufacturer, Texas Instruments

Flexible usage across a broad range of applications and industries

Reliable operation in varying conditions and temperatures

Supports design of energy-efficient devices due to high switching efficiency

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments LM2574MX-3.3

Product Attribute LM2574MX-3.3 LM2574HVN-12 LM2574N-12 LM2574N-5.0
Part Number LM2574MX-3.3 LM2574HVN-12 LM2574N-12 LM2574N-5.0
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Output Type Fixed Fixed Fixed Fixed
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) 4V 4V 4V 4V
Package Tape & Reel (TR) Tube Tube Tube
Package / Case 14-SOIC (0.295", 7.50mm Width) 8-DIP (0.300', 7.62mm) 8-DIP (0.300", 7.62mm) 8-DIP (0.300", 7.62mm)
Mounting Type Surface Mount Through Hole Through Hole Through Hole
Voltage - Output (Max) - - - -
Voltage - Input (Max) 40V 60V 40V 40V
Synchronous Rectifier No No No No
Frequency - Switching 52kHz 52kHz 52kHz 52kHz
Series SIMPLE SWITCHER® SIMPLE SWITCHER® SIMPLE SWITCHER® SIMPLE SWITCHER®
Output Configuration Positive Positive Positive Positive
Voltage - Output (Min/Fixed) 3.3V 12V 12V 5V
Base Product Number LM2574 LM2574 LM2574 LM2574
Supplier Device Package 14-SOIC 8-PDIP 8-PDIP 8-PDIP
Current - Output 500mA 500mA 500mA 500mA
Function Step-Down Step-Down Step-Down Step-Down
Topology Buck Buck Buck Buck
Number of Outputs 1 1 1 1

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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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LM2574MX-3.3 Image

LM2574MX-3.3

Texas Instruments
32D-LM2574MX-3.3

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