STMicroelectronics

LD1117ASTR

LD1117ASTR Description

The LD1117ASTR is a highly efficient and versatile linear voltage regulator designed and manufactured by STMicroelectronics. This device is part of the Linear & Switching Voltage Regulators category and is known for its adjustable output, making it suitable for a wide range of applications. With a maximum input voltage of 15V and an output current of 1A, the LD1117ASTR is capable of providing stable and reliable power to various electronic devices.

LD1117ASTR Features

• Adjustable Output: The LD1117ASTR offers an adjustable output voltage, which can be set between 1.25V and 15V, providing flexibility in power management.
• 1A Output Current: This regulator can deliver up to 1A of output current, making it suitable for applications requiring higher power.
• Positive Output Configuration: The LD1117ASTR provides a positive output, which is ideal for applications that require a positive voltage reference.
• Over Current and Over Temperature Protection: This device is equipped with built-in protection features to safeguard against over current and over temperature conditions.
• 80dB PSRR at 120Hz: The LD1117ASTR boasts a high power supply rejection ratio (PSRR) of 80dB at 120Hz, ensuring minimal noise interference.
• Low Quiescent Current: With a quiescent current of only 5mA, the LD1117ASTR is energy-efficient and ideal for battery-powered applications.
• RoHS3 Compliance: The LD1117ASTR is compliant with the RoHS3 directive, making it environmentally friendly and suitable for use in green electronics.
• REACH Unaffected Status: This product is not affected by the REACH regulations, ensuring compliance with European chemical safety standards.

LD1117ASTR Applications

The LD1117ASTR is an ideal choice for various applications where stable and adjustable voltage regulation is required. Some specific use cases include:

• Portable Electronics: Due to its low quiescent current and adjustable output, the LD1117ASTR is perfect for powering portable devices such as smartphones, tablets, and wearables.
• Industrial Control Systems: The LD1117ASTR's ability to handle a wide input voltage range and provide a stable output makes it suitable for use in industrial control systems and automation equipment.
• Telecommunications Equipment: This regulator can be used in telecommunications equipment to provide stable power to sensitive electronic components, ensuring reliable operation.
• Automotive Electronics: The LD1117ASTR's wide operating temperature range (0°C to 125°C) makes it suitable for use in automotive electronics, where it can provide stable power to various electronic systems.

Conclusion of LD1117ASTR

The LD1117ASTR from STMicroelectronics is a high-performance linear voltage regulator that offers adjustable output, high efficiency, and robust protection features. Its versatility and reliability make it an ideal choice for a wide range of applications, from portable electronics to industrial control systems. With its RoHS3 compliance and REACH unaffected status, the LD1117ASTR is also an environmentally friendly option for green electronics.