STMicroelectronics

LD1117AV33

LD1117AV33 Description

The LD1117AV33 is a linear voltage regulator IC from STMicroelectronics, designed to provide a stable 3.3V output voltage with a maximum current output of 1A. This device is part of the Linear & Switching Voltage Regulators category and is packaged in a TO220AB tube. Despite being classified as obsolete, it remains a popular choice for certain applications due to its unique features and performance benefits.

LD1117AV33 Features

• Output Type: Fixed, ensuring a stable and consistent output voltage.
• Voltage - Input (Max): 15V, allowing for a wide range of input voltages.
• Current - Output: 1A, suitable for applications requiring moderate current.
• Number of Regulators: 1, providing a single output voltage.
• Output Configuration: Positive, ideal for applications requiring a positive voltage reference.
• Product Status: Obsolete, but still available and used in certain applications.
• REACH Status: REACH Unaffected, compliant with European chemical regulations.
• RoHS Status: ROHS3 Compliant, adhering to environmental and health standards.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), indicating no sensitivity to moisture.
• Operating Temperature: 0°C ~ 125°C, suitable for a wide range of operating conditions.
• Current - Quiescent (Iq): 10 mA, contributing to low power consumption.
• PSRR: 75dB (120Hz), providing excellent power supply rejection ratio.
• Protection Features: Over Current and Over Temperature, ensuring device safety and reliability.

LD1117AV33 Applications

The LD1117AV33 is ideal for applications where a stable 3.3V output is required, such as:

1. Power Supply Design: In systems where a 3.3V reference voltage is needed, the LD1117AV33 can provide a reliable and stable output.
2. Electronic Devices: In electronic devices that require a regulated 3.3V power supply, such as microcontrollers, sensors, and communication modules.
3. Industrial Control Systems: For applications in industrial control systems where a stable and reliable voltage source is critical for system performance.

Conclusion of LD1117AV33

The LD1117AV33, despite being an obsolete product, offers a reliable and stable 3.3V output with a maximum current of 1A. Its unique features, such as a fixed output type, positive output configuration, and compliance with environmental and safety standards, make it suitable for a variety of applications. Although it may not be the latest technology, its performance benefits and proven reliability make it a viable option for certain applications where a stable 3.3V output is required.