• LM3940IS-3.3/NOPB

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LM3940IS-3.3/NOPB

  • Stock: 31

    Availability: InStock priceValidUntil: 2026-01-21

  • SKU: 7069 | DAG696

Availability: InStock priceValidUntil: 2026-01-21

  • Rs. 148.68 (inc GST)
    Rs.126.00 + GST

    Qty :

GST Invoice: Available for all purchases — eligible for input tax credit.

Delivery: 2–8 days across India. No MOQ required.

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LM3940 Low-Dropout Voltage Regulator 3.3V

LM3940IS-3.3/NOPB, 1A low-dropout regulator with 3.3V output and 4.5V input range.

The LM3940 Low-Dropout Voltage Regulator 3.3V provides a stable 3.3 V output from a 5 V supply. It is ideal for systems that require both 5 V and 3.3 V logic levels, ensuring reliable performance with input voltages as low as 4.5 V. With a TO-220 package, it can deliver up to 1 A of load current without additional heatsinking.

Designed for efficiency, the LM3940 Low-Dropout Voltage Regulator 3.3V features excellent load regulation and only requires one external component for operation. It includes built-in protection against excessive temperature and short circuits, making it a safe choice for various applications.

Commonly used in laptop and desktop computers, as well as in post-regulation for switching supplies, the LM3940 Low-Dropout Voltage Regulator 3.3V is a reliable component for logic systems. Explore its capabilities to enhance your electronic projects.

Explore the reliability of OPAMP products at DNA. The OPAMP category offers a range of precision voltage regulators. Check other OPAMP that we have in stock.

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Features of LM3940 Low-Dropout Voltage Regulator 3.3V

  • Input Voltage Range: 4.5 V to 5.5 V
  • Output Voltage Specified over Temperature
  • Excellent Load Regulation
  • Specified 1-A Output Current
  • Requires only One External Component
  • Built-in Protection against Excess Temperature
  • Short-Circuit Protected

Specification of LM3940 Low-Dropout Voltage Regulator 3.3V

  • Input Voltage Range: 4.5V to 5.5V
  • Output Voltage: 3.3V (fixed)
  • Output Current: 1A
  • Package Type: TO-263
  • Mounting Style: Surface mount
  • Number of Pins: 3

Applications of LM3940 Low-Dropout Voltage Regulator 3.3V

  • Laptop and Desktop Computers
  • Post-regulation for switching supplies
  • Logic Systems

Related Links for LM3940 Low-Dropout Voltage Regulator 3.3V

Package Includes

  • 1 X LM3940IS-3.3/NOPB
Extra Information
Country of Origin China
Imported By ElectroSource Private Limited

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