STMicroelectronics

LD1117AV  

Linear & Switching Voltage Regulators

LD1117AV Description

The LD1117AV is a linear regulator from STMicroelectronics, designed to provide a highly efficient and reliable power management solution. This device features an adjustable output voltage, making it versatile for a wide range of applications. With a maximum input voltage of 15V and a maximum output current of 1A, the LD1117AV is well-suited for applications requiring precise voltage regulation. The regulator supports a positive output configuration and operates within a temperature range of 0°C to 125°C, ensuring robust performance in various environmental conditions.

LD1117AV Features

• Adjustable Output Voltage: The LD1117AV offers an adjustable output voltage ranging from 1.25V to 15V, providing flexibility to meet specific application requirements.
• High Efficiency: With a maximum dropout voltage of 1.3V at 1A, the LD1117AV ensures high efficiency even under heavy load conditions.
• Low Quiescent Current: The regulator features a low quiescent current of 5 mA, which is beneficial for applications where power consumption needs to be minimized.
• High PSRR: The LD1117AV boasts a high power supply rejection ratio (PSRR) of 80dB at 120Hz, effectively filtering out noise and ensuring a clean output voltage.
• Protection Features: The device includes over-current and over-temperature protection, safeguarding the regulator and connected components from damage.
• Through Hole Mounting: The through-hole mounting type ensures easy integration into various PCB designs.
• Compliance: The LD1117AV is REACH unaffected and RoHS3 compliant, meeting stringent environmental and safety standards.
• Moisture Sensitivity: With a moisture sensitivity level (MSL) of 1 (unlimited), the device is suitable for storage and handling in a wide range of environments.

LD1117AV Applications

The LD1117AV is ideal for a variety of applications that require precise voltage regulation and high reliability. Some specific use cases include:

• Consumer Electronics: Ideal for powering sensitive electronic devices such as smartphones, tablets, and portable gaming consoles.
• Industrial Equipment: Suitable for industrial control systems, sensors, and actuators that demand stable power supply.
• Automotive Applications: Can be used in automotive electronic systems where high efficiency and reliability are crucial.
• Medical Devices: Applicable in medical equipment that requires precise voltage regulation and low noise performance.

Conclusion of LD1117AV

The LD1117AV from STMicroelectronics is a versatile and reliable linear regulator that offers adjustable output voltage and high efficiency. Its low quiescent current, high PSRR, and robust protection features make it an excellent choice for a wide range of applications. Despite being marked as obsolete, the LD1117AV remains a valuable component for applications requiring precise and stable voltage regulation. Its compliance with environmental and safety standards further enhances its suitability for modern electronic designs.

LD1117AV Documents

Download datasheets and manufacturer documentation for LD1117AV