STMicroelectronics

LD1117AV

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.