STMicroelectronics

LD1117V18

LD1117V18 Description

The LD1117V18 is a fixed linear voltage regulator IC from STMicroelectronics, designed to provide a stable 1.8V output with a maximum output current of 800mA. With a maximum input voltage of 15V and a minimum dropout voltage of 1.2V at 800mA, this regulator offers reliable performance in various applications. The LD1117V18 features over current and over temperature protection, ensuring safe operation and long-term reliability.

LD1117V18 Features

• Fixed output voltage of 1.8V
• Maximum output current of 800mA
• Maximum input voltage of 15V
• Minimum dropout voltage of 1.2V at 800mA
• Over current and over temperature protection
• Positive output configuration
• Single regulator
• Through-hole mounting type
• Tube packaging
• REACH unaffected status
• RoHS3 compliant
• Moisture sensitivity level 1 (unlimited)
• Operating temperature range of 0°C to 125°C
• Quiescent current of 10mA
• PSRR of 75dB at 120Hz

LD1117V18 Applications

The LD1117V18 is ideal for applications requiring a stable 1.8V output with low dropout voltage and high current capability. Some specific use cases include:

1. Powering microcontrollers and digital circuits
2. Providing stable power to analog circuits
3. Driving LED arrays and displays
4. Powering low-voltage communication modules
5. Supplying power to battery management systems

Conclusion of LD1117V18

The LD1117V18 is a reliable and efficient linear voltage regulator, offering a stable 1.8V output with high current capability and low dropout voltage. Its unique features, such as over current and over temperature protection, make it suitable for a wide range of applications in the electronics industry. Although it is now considered obsolete, the LD1117V18 remains a popular choice for designers looking for a reliable and cost-effective solution for their power management needs.