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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsLT3973IMSE#PBF
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LT3973IMSE#PBF - Analog Devices Inc.

Manufacturer Part Number
LT3973IMSE#PBF
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-LT3973IMSE#PBF
ECAD Model
Parts Description
IC REG BUCK ADJ 750MA 10MSOP
Package
10-TFSOP, 10-MSOP (0.118', 3.00mm Width) Exposed Pad
Data sheet
LTpowerCAD II User Guide.pdf
LTpowerCAD II Quick Start Guide.pdf
LT3973(-3.3,-5) Datasheet.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 5584

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Specifications

LT3973IMSE#PBF Tech Specifications
Analog Devices Inc. - LT3973IMSE#PBF technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - LT3973IMSE#PBF

Product Attribute Attribute Value  
Manufacturer Analog Devices, Inc.  
Voltage - Output (Min/Fixed) 1.21V  
Voltage - Output (Max) 24V  
Voltage - Input (Min) 4.2V  
Voltage - Input (Max) 42V  
Topology Buck  
Synchronous Rectifier No  
Supplier Device Package 10-MSOP-EP  
Series -  
Package / Case 10-TFSOP, 10-MSOP (0.118', 3.00mm Width) Exposed Pad  
Product Attribute Attribute Value  
Package Tube  
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 195kHz ~ 2.15MHz  
Current - Output 750mA  
Base Product Number LT3973  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

LT3973IMSE#PBF

Manufacturer

Analog Devices

Introduction

The LT3973IMSE#PBF is a DC DC Switching Regulator designed for power management applications

Product Features and Performance

Step-Down (Buck) Voltage Regulator

Adjustable Output Voltage

Single Output Channel

Wide Input Voltage Range from 4.2V to 42V

Adjustable Output from 1.21V up to 24V

Maximum Current Output of 750mA

Switching Frequency Range from 195kHz to 2.15MHz

Operates at Temperatures from -40°C to 125°C

Surface Mount Technology

Product Advantages

High Efficiency for Power Conversion

Flexible Input Voltage for Varied Applications

Adjustable Output for Customized Voltage Requirements

High-Frequency Switching for Compact Power Supplies

Thermal Shutdown and Short Circuit Protection

Key Technical Parameters

Voltage - Input (Min): 4.2V

Voltage - Input (Max): 42V

Voltage - Output (Min/Fixed): 1.21V

Voltage - Output (Max): 24V

Current - Output: 750mA

Frequency - Switching: 195kHz ~ 2.15MHz

Quality and Safety Features

Thermal Protection

Overcurrent Protection

Built-In Soft-Start Function

Compatibility

Compatible with a Wide Range of Downstream Devices due to Adjustable Output

MSOP-10 Package Compatible with Automated Assembly Processes

Application Areas

Consumer Electronics

Telecommunications

Automotive Power Supplies

Battery-Powered Devices

Industrial Control Systems

Product Lifecycle

Active Product Status

Standard Lifecycle with No Reported End-of-Life or Discontinuation

Several Key Reasons to Choose This Product

Wide Input Voltage Suitability for Various Power Systems

High-Efficiency Energy Conversion

Adjustable and Precise Output Voltage Control

Protection Features Ensure Long-Term Reliability

High Switching Frequency for Compact Design

Robust Operating Temperature Range Suited for Harsh Environments

Active Lifecycle Status Suggests Ongoing Manufacturer Support

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. LT3973IMSE#PBF

Product Attribute LT3973IMSE#PBF LT3975IMSE#PBF LT3975EMSE#TRPBF LT3973IMSE#TRPBF
Part Number LT3973IMSE#PBF LT3975IMSE#PBF LT3975EMSE#TRPBF LT3973IMSE#TRPBF
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Output Configuration Positive Positive Positive Positive
Series - - - -
Number of Outputs 1 1 1 1
Output Type Adjustable Adjustable Adjustable Adjustable
Package / Case 10-TFSOP, 10-MSOP (0.118', 3.00mm Width) Exposed Pad 16-TFSOP (0.118', 3.00mm Width) Exposed Pad 16-TFSOP (0.118', 3.00mm Width) Exposed Pad 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
Package Tube Tube Tape & Reel (TR) Tape & Reel (TR)
Current - Output 750mA 2.5A 2.5A 750mA
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Voltage - Output (Max) 24V 40.74V 40.74V 24V
Synchronous Rectifier No No No No
Supplier Device Package 10-MSOP-EP 16-MSOP-EP 16-MSOP-EP 10-MSOP-EP
Voltage - Input (Min) 4.2V 4.3V 4.3V 4.2V
Frequency - Switching 195kHz ~ 2.15MHz 200kHz ~ 2.25MHz 200kHz ~ 2.25MHz 195kHz ~ 2.15MHz
Topology Buck Buck Buck Buck
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Function Step-Down Step-Down Step-Down Step-Down
Voltage - Input (Max) 42V 42V 42V 42V
Base Product Number LT3973 LT3975 LT3975 LT3973
Voltage - Output (Min/Fixed) 1.21V 1.197V 1.197V 1.21V

LT3973IMSE#PBF Datasheet PDF

Download LT3973IMSE#PBF pdf datasheets and Analog Devices Inc. documentation for LT3973IMSE#PBF - Analog Devices Inc..

PCN Design/Specification
Mult Dev 11/Oct/2022.pdf Mult Dev Mark Chg 4/Feb/2020.pdf
HTML Datasheet
LTpowerCAD II User Guide.pdf LTpowerCAD II Quick Start Guide.pdf LT3973(-3.3,-5) Datasheet.pdf
PCN Assembly/Origin
2.73KHz.pdf
Environmental Information
Material Declaration LT3973IMSE#PBF.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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LT3973IMSE#PBF Image

LT3973IMSE#PBF

Analog Devices Inc.
32D-LT3973IMSE#PBF

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