View All

Please refer to the English Version as our Official Version.Return

Europe
France(Français) Germany(Deutsch) Italy(Italia) Russian(русский) Poland(polski) Netherlands(Nederland) Spain(español) Turkey(Türk dili) Israel(עִבְרִית) Denmark(Dansk) Switzerland(Deutsch) United Kingdom(English)
Asia/Pacific
Japan(日本語) Korea(한국의) Thailand(ภาษาไทย) Malaysia(Melayu) Singapore(Melayu) Philippines(Pilipino)
Africa, India and Middle East
India(हिंदी)
North America
United States(English) Canada(English) Mexico(español)
HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsL4973D3.3-013TR
L4973D3.3-013TR Image
Image may be representation.
See specifications for product details.

L4973D3.3-013TR - STMicroelectronics

Manufacturer Part Number
L4973D3.3-013TR
Manufacturer
STMicroelectronics
Allelco Part Number
32D-L4973D3.3-013TR
ECAD Model
Parts Description
IC REG BUCK ADJ/3.3V 3.5A 20SO
Detailed Description
Package
20-SOIC (0.295", 7.50mm Width)
Data sheet
L4973.pdf
RoHs Status
ROHS3 Compliant
In stock: 8890

Required fields are indicated by an asterisk (*)
Please send RFQ, we will respond immediately.

Quantity

Specifications

L4973D3.3-013TR Tech Specifications
STMicroelectronics - L4973D3.3-013TR technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - L4973D3.3-013TR

Product Attribute Attribute Value  
Manufacturer STMicroelectronics  
Voltage - Output (Min/Fixed) 0.5V (3.3V)  
Voltage - Output (Max) 50V  
Voltage - Input (Min) 8V  
Voltage - Input (Max) 55V  
Topology Buck  
Synchronous Rectifier No  
Supplier Device Package 20-SO  
Series -  
Package / Case 20-SOIC (0.295", 7.50mm Width)  
Product Attribute Attribute Value  
Package Tape & Reel (TR)  
Output Type Adjustable (Fixed)  
Output Configuration Positive  
Operating Temperature -40°C ~ 150°C (TJ)  
Number of Outputs 1  
Mounting Type Surface Mount  
Function Step-Down  
Frequency - Switching 100kHz ~ 300kHz  
Current - Output 3.5A  
Base Product Number L4973  

Parts Introduction

Manufacturer Part Number

L4973D3.3-013TR

Manufacturer

stmicroelectronics

Introduction

The L4973D3.3-013TR is a step-down DC DC switching regulator designed for power management applications, housed in a 20-SOIC package.

Product Features and Performance

Step-Down topology

Adjustable output type, with an option fixed at 3.3V

Single output channel

Voltage input range from 8V to 55V

Output voltage range from 0.5V to 50V

Output current capacity of 3.5A

Switching frequency between 100kHz and 300kHz

Product Advantages

High input voltage range suitable for various applications

Flexible output voltage settings

Capable of delivering a significant amount of power with 3.5A output

Key Technical Parameters

Input Voltage (Min): 8V

Input Voltage (Max): 55V

Output Voltage (Min/Fixed): 0.5V (3.3V)

Output Voltage (Max): 50V

Current - Output: 3.5A

Frequency - Switching: 100kHz ~ 300kHz

Quality and Safety Features

Operating Temperature range: -40°C ~ 150°C (TJ)

Surface mount technology enhances board reliability

Compatibility

Mounting Type: Surface Mount

Package / Case: 20-SOIC

Application Areas

Optimized for Power Management systems in electronics

Product Lifecycle

The product status is active with no current indications of discontinuation

Several Key Reasons to Choose This Product

Versatile input and output voltage range compatible with multiple devices

High maximum output suitable for high power applications

Robust operating temperature range suitable for both industrial and commercial environments

Continuously active product with reliable supply chain management

Low-profile SOIC package facilitates easier integration into design projects

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics L4973D3.3-013TR

Product Attribute L4973D3.3-013TR L4971D L4972A L4974A
Part Number L4973D3.3-013TR L4971D L4972A L4974A
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Function Step-Down Step-Down Step-Down Step-Down
Synchronous Rectifier No No No No
Package / Case 20-SOIC (0.295", 7.50mm Width) 16-SOIC (0.295", 7.50mm Width) 20-DIP (0.300", 7.62mm) 20-DIP (0.300", 7.62mm)
Mounting Type Surface Mount Surface Mount Through Hole Through Hole
Voltage - Output (Min/Fixed) 0.5V (3.3V) 3.3V 5.1V 5.1V
Voltage - Input (Min) 8V 8V 15V 15V
Current - Output 3.5A 1.5A 2A 3.5A
Base Product Number L4973 L4971 L4972 L4974
Number of Outputs 1 1 1 1
Frequency - Switching 100kHz ~ 300kHz 100kHz ~ 300kHz 100kHz ~ 200kHz 100kHz ~ 200kHz
Series - - - -
Voltage - Input (Max) 55V 55V 50V 50V
Output Configuration Positive Positive Positive Positive
Output Type Adjustable (Fixed) Adjustable Adjustable Adjustable
Voltage - Output (Max) 50V 50V 40V 40V
Supplier Device Package 20-SO 16-SO W 20-PowerDIP 20-PowerDIP
Operating Temperature -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ)
Topology Buck Buck Buck Buck
Package Tape & Reel (TR) Tube Tube Tube

L4973D3.3-013TR Datasheet PDF

Download L4973D3.3-013TR pdf datasheets and STMicroelectronics documentation for L4973D3.3-013TR - STMicroelectronics.

PCN Packaging
Material Barrier Bag 17/Dec/2020.pdf CRP/14/8400 20/Mar/2014.pdf
PCN Assembly/Origin
Mult Devices 27/Feb/2019.pdf
HTML Datasheet
L4973.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

View More
L4973D3.3-013TR Image

L4973D3.3-013TR

STMicroelectronics
32D-L4973D3.3-013TR

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

0 RFQ
Shopping cart (0 Items)
It is empty.
Compare List (0 Items)
It is empty.
Feedback

Your feedback matters! At Allelco, we value the user experience and strive to improve it constantly.
Please share your comments with us via our feedback form, and we'll respond promptly.
Thank you for choosing Allelco.

Subject
E-mail
Comments
Captcha
Drag or click to upload file
Upload File
types: .xls, .xlsx, .doc, .docx, .jpg, .png and .pdf.
Max file size: 10MB