2/9/2026 8:11:11 AM   By  Andrew  in

LM3940IT-3.3/NOPB LDO Voltage Regulators by Texas Instruments


The LDO Voltage Regulators LM3940IT-3.3/NOPB by Texas Instruments are precision low-dropout regulators engineered to deliver a stable 3.3V output with minimal power loss. Designed specifically for low-voltage logic systems, these regulators provide efficient performance for microcontrollers, DSPs, and embedded applications.

Modern designs demand reliable Semiconductors, Integrated Circuits - ICs, Power Management ICs, Voltage Regulators & Voltage Controllers, LDO Voltage Regulators to maintain consistent voltage even under varying loads. Genuine Texas Instruments components are available worldwide from XON Electronics with fast shipping and competitive pricing.


Key Specifications


Technical Overview

  • Manufacturer: Texas Instruments

  • Part Number: LM3940IT-3.3/NOPB

  • Output Voltage: 3.3V Fixed

  • Output Current: 1A

  • Dropout Voltage: Very low dropout

  • Package: TO-220

  • Load Regulation: Excellent

  • Reverse Polarity Protection

  • Thermal Shutdown & Current Limiting

  • Operating Temperature: Industrial range

Ideal for dependable Semiconductors, Integrated Circuits - ICs, Power Management ICs, Voltage Regulators & Voltage Controllers, LDO Voltage Regulators applications.


Features & Benefits


Performance Highlights

  • Low dropout for higher efficiency

  • Stable 3.3V output

  • Low quiescent current

  • Internal short-circuit protection

  • Thermal overload shutdown

  • Rugged and reliable package

These advantages make it a trusted option among Semiconductors, Integrated Circuits - ICs, Power Management ICs, Voltage Regulators & Voltage Controllers, LDO Voltage Regulators.


Applications


Typical Use Cases

  • Microcontroller boards

  • Embedded systems

  • Industrial control electronics

  • Communication modules

  • Battery-powered equipment

  • IoT and consumer devices

Design engineers choose Semiconductors, Integrated Circuits - ICs, Power Management ICs, Voltage Regulators & Voltage Controllers, LDO Voltage Regulators like LM3940IT-3.3/NOPB for efficient and noise-free power delivery.


Why Choose Texas Instruments LM3940IT-3.3/NOPB?


Texas Instruments is known for reliable and long-lasting power management devices. This regulator ensures excellent performance with minimal heat dissipation and enhanced safety features, making it suitable for critical designs.

If your project requires dependable Semiconductors, Integrated Circuits - ICs, Power Management ICs, Voltage Regulators & Voltage Controllers, LDO Voltage Regulators, this solution offers proven stability.


Download Datasheet


Access the official datasheet for detailed electrical characteristics, pin configuration, and application circuits.


Why Buy from XON Electronics?


  • 100% genuine Texas Instruments parts

  • Competitive pricing

  • Bulk stock availability

  • Global shipping

  • Trusted sourcing partner

Order today from X-On Electronics for dependable supply.


Conclusion


The LM3940IT-3.3/NOPB LDO Voltage Regulators by Texas Instruments provide efficient 3.3V regulation, strong protection, and stable performance. For reliable Semiconductors, Integrated Circuits - ICs, Power Management ICs, Voltage Regulators & Voltage Controllers, LDO Voltage Regulators, this device is an excellent choice for modern electronics.


FAQs


Q1. What is the output voltage?

Fixed 3.3V.

Q2. What is the maximum current rating?

Up to 1A.

Q3. Does it support low dropout operation?

Yes, optimized for low input-output difference.

Q4. Is it suitable for embedded systems?

Yes, widely used in microcontroller applications.

Q5. Where can I buy genuine parts?

Available online at XON Electronics.




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