Andrew
Andrew Content Marketer
On Jan 7, 2026


LD1117AV33 LDO Voltage Regulators by STMicroelectronics

The LDO Voltage Regulators LD1117AV33 by STMicroelectronics are high-performance linear regulators designed to provide a stable 3.3V output with low dropout voltage. These regulators are widely used in power management circuits where efficiency, simplicity, and reliability are critical.

Classified under Semiconductors, Integrated Circuits - ICs, Power Management ICs, Voltage Regulators & Voltage Controllers, LDO Voltage Regulators, the LD1117AV33 is ideal for embedded systems and digital electronics. Genuine STMicroelectronics components are available at www.xonelec.com.


Technical Specifications of LD1117AV33

General Specifications

  • Manufacturer: STMicroelectronics

  • Part Number: LD1117AV33

  • Product Type: Low Dropout Voltage Regulator

  • Output Voltage: 3.3 V

  • Category: Semiconductors, Integrated Circuits - ICs, Power Management ICs, Voltage Regulators & Voltage Controllers, LDO Voltage Regulators

Electrical Characteristics

  • Low dropout voltage

  • High output current capability

  • Built-in current limiting

  • Thermal shutdown protection

The LD1117AV33 LDO Voltage Regulators by STMicroelectronics ensure safe and efficient voltage regulation.


Key Features of LD1117AV33 LDO Regulators

Performance Benefits

  • Stable 3.3V output

  • Low noise operation

  • Fast transient response

Design Advantages

  • Simple external component requirement

  • Compact package options

  • Suitable for linear power supplies

Products in the Semiconductors, Integrated Circuits - ICs, Power Management ICs, Voltage Regulators & Voltage Controllers, LDO Voltage Regulators category are essential for reliable power delivery.


Applications of LD1117AV33

Embedded & Digital Systems

  • Microcontroller power supplies

  • FPGA and DSP voltage rails

  • Development boards

Consumer & Industrial Electronics

  • Communication modules

  • Control circuits

  • Sensor power regulation

These applications rely on LD1117AV33 LDO Voltage Regulators by STMicroelectronics for stable power output.


Installation & Usage Guidelines

How to Use LD1117AV33

  • Provide adequate input voltage headroom

  • Use recommended output capacitors

  • Ensure proper heat dissipation

High-quality Semiconductors, Integrated Circuits - ICs, Power Management ICs, Voltage Regulators & Voltage Controllers, LDO Voltage Regulators require correct thermal and layout design.


Use Case Example: Microcontroller Power Supply

Requirement

Stable 3.3V rail for MCU operation.

Challenge

Preventing voltage dips during load changes.

Solution

LD1117AV33 provided reliable voltage regulation with fast response.

Result

  • Improved system stability

  • Reduced reset issues

  • Extended component life

Design engineers source ST regulators from X-On Electronics for guaranteed authenticity.


Download Datasheet – LD1117AV33

The datasheet includes:

  • Electrical specifications

  • Thermal characteristics

  • Pin configuration

  • Application circuits

      Download Datasheet – LD1117AV33


Why Buy from XON Electronics

Customer Benefits

  • Genuine STMicroelectronics components

  • Global shipping to all regions

  • Competitive pricing

  • Trusted electronics distributor

Buy LD1117AV33 LDO Voltage Regulators by STMicroelectronics confidently from www.xonelec.com.


Conclusion

The LD1117AV33 LDO Voltage Regulators by STMicroelectronics provide dependable 3.3V regulation, built-in protection features, and simple circuit design. As part of the Semiconductors, Integrated Circuits - ICs, Power Management ICs, Voltage Regulators & Voltage Controllers, LDO Voltage Regulators family, they are ideal for embedded, consumer, and industrial electronics.


FAQs – LD1117AV33 LDO Voltage Regulators

What is the output voltage of LD1117AV33?

It provides a regulated 3.3V output.

Is it suitable for microcontroller circuits?

Yes, it is commonly used to power MCUs and logic devices.

Does it include protection features?

Yes, it has current limiting and thermal shutdown.

Is heat sinking required?

For high load currents, proper heat dissipation is recommended.

Where can I buy it online?

Available at www.xonelec.com.




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