About us Contact Us Submit BOM
RFQs(0)
English
Close Menu
View All

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

Europe
France(Français) Germany(Deutsch) Italy(Italia) Russian(русский) Poland(polski) Czech(Čeština) Luxembourg(Lëtzebuergesch) Netherlands(Nederland) Iceland(íslenska) Hungarian(Magyarország) Spain(español) Portugal(Português) Turkey(Türk dili) Bulgaria(Български език) Ukraine(Україна) Greece(Ελλάδα) Israel(עִבְרִית) Sweden(Svenska) Finland(Svenska) Finland(Suomi) Romania(românesc) Moldova(românesc) Slovakia(Slovenská) Denmark(Dansk) Slovenia(Slovenija) Slovenia(Hrvatska) Croatia(Hrvatska) Serbia(Hrvatska) Montenegro(Hrvatska) Bosnia and Herzegovina(Hrvatska) Lithuania(lietuvių) Spain(Português) Switzerland(Deutsch) United Kingdom(English)
Asia/Pacific
Japan(日本語) Korea(한국의) Thailand(ภาษาไทย) Malaysia(Melayu) Singapore(Melayu) Vietnam(Tiếng Việt) Philippines(Pilipino)
Africa, India and Middle East
United Arab Emirates(العربية) Iran(فارسی) Tajikistan(فارسی) India(हिंदी) Madagascar(malaɡasʲ)
South America / Oceania
New Zealand(Maori) Brazil(Português) Angola(Português) Mozambique(Português)
North America
United States(English) Canada(English) Haiti(Ayiti) Mexico(español)
HomeProductsIntegrated Circuits (ICs)Specialized ICsLM25017MRX/NOPB
Image may be representation.
See specifications for product details.
Share
 Favorite
EXPRESS OPTION
Payment method

LM25017MRX/NOPB - Texas Instruments

Manufacturer Part Number
LM25017MRX/NOPB
Manufacturer
Texas Instruments
Allelco Part Number
41D-LM25017MRX/NOPB
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
9,370 pcs available, New & Original
Parts Description
PowerPad-SO-8
Data sheet
-
Category
Integrated Circuits (ICs) > Specialized ICs
RoHs Status
Compare
Our certification
In stock: 9370
  • Unit Price: $1.488
  • Subtotal: $0.00

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

Quantity Unit Price Ext. Price
1+ $1.488 $1.49
10+ $1.277 $12.77
30+ $1.145 $34.35
100+ $1.01 $101.00
500+ $0.949 $474.50
1000+ $0.923 $923.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

LM25017MRX/NOPB Tech Specifications
Texas Instruments - LM25017MRX/NOPB technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - LM25017MRX/NOPB

Product Attribute Attribute Value
Part Number LM25017MRX/NOPB
Package PowerPad-SO-8
Description PowerPad-SO-8
Stock Condition Get 9370 pcs available quantity at Allelco
Payment PayPal / TT / Credit Card / Western Union
Allelco Certifications ESD / ISO 9001 / ISO 13485 / ISO 28000
Product Attribute Attribute Value
Manufacturer Texas Instruments
RoHs Status -
Warranty 100% Perfect Functions
Transport port Hong Kong
Shipping by DHL / FedEx / UPS / TNT / SF Express
RFQ Email info@allelco.com

Parts Introduction

Manufacturer Part Number

LM25017MRX/NOPB

Manufacturer

texas-instruments

Introduction

The LM25017 is a synchronous step-down DC-DC converter capable of driving up to 650mA of load current. It operates from an input voltage range of 7.5V to 48V, making it suitable for a wide range of applications, including industrial, automotive, and telecommunications equipment. The device features an adjustable output voltage, with a range of 1.225V to 40V, allowing for flexible design options.

Product Features and Performance

Up to 1MHz switching frequency for compact size and high efficiency

Adjustable output voltage from 1.225V to 40V

650mA maximum output current

Synchronous rectification for high efficiency

Internal soft-start and current limit protection

Thermal shutdown protection

Input voltage range of 7.5V to 48V

Product Advantages

Wide input voltage range of 7.5V to 48V

Adjustable output voltage for flexible design

High efficiency synchronous rectification

Compact size and high switching frequency for space-saving designs

Comprehensive protection features for reliable operation

Key Reasons to Choose This Product

Versatile input voltage range and adjustable output voltage make the LM25017 suitable for a wide range of applications

High efficiency and compact size enable power-dense and energy-efficient designs

Integrated protection features ensure reliable operation and long product lifespan

Texas Instruments' reputation for quality and technical support provides peace of mind for customers

Quality and Safety Features

Thermal shutdown protection

Current limit protection

Input undervoltage lockout

Output overvoltage protection

Compatibility

The LM25017 is a general-purpose step-down DC-DC converter that can be used in a variety of applications, including industrial equipment, automotive systems, and telecommunications infrastructure.

Application Areas

Industrial equipment

Automotive systems

Telecommunications infrastructure

General-purpose DC-DC conversion

Product Lifecycle

The LM25017 is an active product, and our website's sales team continues to manufacture and support it. There are no immediate plans for discontinuation. However, as technology evolves, customers are advised to contact our website's sales team for the latest information on product availability and any potential alternative or equivalent models.

Frequently Asked Questions(FAQ)

What is the recommended input voltage range for reliable operation of the LM25017MRX/NOPB buck regulator in industrial motor drive applications?
The LM25017MRX/NOPB supports a continuous input voltage range from 7.5V to 48V, making it suitable for industrial environments where supply transients or wide operating conditions may occur. This range allows direct use with unregulated DC buses common in motor drives without requiring additional pre-regulation stages, provided the system design maintains input voltages within this window to avoid undervoltage lockout or overvoltage stress on internal components.
How does the LM25017MRX/NOPB compare to other TI buck regulators like the LM25018 when driving high-side loads with limited headroom?
Unlike the LM25018, which features a fixed-frequency peak-current-mode control and lacks synchronous rectification flexibility under certain load conditions, the LM25017MRX/NOPB uses a hysteretic control architecture that enables inherently faster transient response and better efficiency at light loads. This makes it more advantageous than fixed-frequency alternatives when managing rapidly changing output currents in compact designs where PCB space and thermal performance are constrained.
Can the LM25017MRX/NOPB be used to generate output voltages below 1.225V using external feedback resistors?
No, the minimum achievable regulated output voltage with the LM25017MRX/NOPB is 1.225V due to the internal reference voltage. While some adjustable regulators allow lower outputs through resistor divider adjustments, this device’s architecture enforces a hard floor at 1.225V. Attempting to set an output lower than this will result in instability or failure to maintain regulation, especially under load transients.
What are the implications of operating the LM25017MRX/NOPB near its maximum switching frequency of 1MHz in a high-EMI environment?
Operating close to 1MHz increases electromagnetic interference susceptibility due to higher di/dt rates and spectral energy concentration near the carrier frequency. In such cases, careful layout—including minimized loop areas, proper ground plane stitching, and optional snubbing networks—is essential to meet CISPR compliance. The device’s integrated gate drivers reduce shoot-through risk but do not eliminate the need for EMI mitigation strategies at elevated frequencies.
Is it safe to operate the LM25017MRX/NOPB continuously at full 650mA output current if the ambient temperature exceeds 85°C?
Prolonged operation at 650mA with ambient temperatures above 85°C requires derating based on thermal resistance data. With a junction-to-ambient thermal resistance (θJA) of approximately 40°C/W in typical SOIC packaging, full-load operation can cause junction temperatures to exceed 125°C unless heatsinking or airflow is optimized. Therefore, continuous full-load operation under these conditions demands either a thermally enhanced layout or reduced duty cycle to prevent reliability degradation.
How does the PowerPad™ package on the LM25017MRX/NOPB improve thermal performance compared to standard SOIC variants?
The 8-SO PowerPad package includes an exposed thermal pad connected internally to the die, enabling direct conduction of heat to the PCB copper area. This reduces junction-to-case thermal resistance significantly compared to standard SOIC packages, improving heat dissipation by up to 30–50% depending on copper area and vias. For designs exceeding 400mA average output current, this enhancement helps maintain junction temperatures well below the 125°C limit even without forced cooling.
Can multiple LM25017MRX/NOPB regulators be paralleled to increase total output current capacity?
Paralleling multiple LM25017MRX/NOPB units is generally not recommended without additional current-sharing circuitry due to inherent variations in threshold voltages and hysteretic windows between devices. Mismatched responses can lead to uneven current distribution, causing one unit to overload while others remain underutilized. If increased current is required, redesigning the system to use a single higher-current-rated regulator or selecting a device specifically designed for multi-phase operation is preferable.
What precautions should be taken when designing the compensation network for the LM25017MRX/NOPB with capacitive loads exceeding 100µF?
Capacitive loads greater than 100µF can destabilize the LM25017MRX/NOPB due to phase lag introduced by large ESR zeros. To ensure stability, either select output capacitors with low ESL/ESR (e.g., ceramic in parallel with small tantalum) or add a series resistor (typically 0.5–2Ω) between the regulator output and the bulk capacitance. Additionally, verify phase margin across temperature and load conditions using TI’s WEBENCH tools or simulation models to avoid oscillations during startup or dynamic loads.

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

Write a Review

Your Email address will not be published.

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.
  • QC (Quality Warranty)
  • Payment Support
  • Packaging
  • Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
  1. Visual inspection
  2. Performance testing and reliability verification
  3. Standardized full-process testing
  4. Precise control of every parameter
We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
Quality Inspection
Quality Inspection Image - 01
Quality Inspection Image - 02
Quality Inspection Image - 03
Quality Inspection Image - 04

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.
  • HKBea
  • Paypal
  • MasterCard
  • Western-Union
  • VISA
Stable Delivery, Sincere Partnership — Your Faithful Supply Chain Partner
  • Efficient Supply Management
  • Cost-Saving Procurement
  • Fast Sourcing & Delivery
Contact us if you have any questions.

Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
  • ISO 13485: 2016
  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
  • GB/T 27922-2011
  • SMTA
  • IPC
  • ESD
  • PSMA
Texas Instruments

LM25017MRX/NOPB

Texas Instruments
41D-LM25017MRX/NOPB

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

Allelco
About Us
History
Certifications
Recruitment
Policies
Terms & Conditions
Privacy Policy
Cookie Policy
Services
Order Tracking
Return & Replacement
Frequently Asked Questions
Contact Us
Order
Shipping & Delivering
Payment Methods
My Account
The BlogsHot PartsChange LanguageNewsSite map
Contact Us
Headquarters Address:
Room C 13/F Harvard Commercial Building
105-111 Thomson Road Wan Chai
HongKong
Service Tel: +852-91464856
Service Email: info@allelco.com
Follow us
Copyright © 2012-2025 AllelcoElec.com. All rights reserved.
0 RFQ
Shopping cart (0 Items)
It is empty.
Submit RFQ
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