Texas Instruments

LM317AT/E7001847

LM317AT/E7001847 Description

The LM317AT/E7001847 is a prototype power management integrated circuit (PMIC) developed by Texas Instruments, designed to provide reliable and efficient voltage regulation in a variety of electronic systems. This device is part of the Power Management category and is tailored for applications requiring a stable power supply with a fixed output voltage. The LM317AT/E7001847 operates with a quiescent current of 10 mA, ensuring minimal power consumption during standby conditions. It features a Power Supply Rejection Ratio (PSRR) that ranges from 80dB at low frequencies to 65dB at 120Hz, effectively filtering out noise from the input power source to maintain a clean output voltage.

The LM317AT/E7001847 is designed with a maximum input voltage of 40V and can deliver a maximum output voltage of 37V, making it suitable for a wide range of input voltage levels. It supports a fixed output voltage of 1.25V, which is ideal for applications requiring a stable and precise voltage supply. The device is capable of providing a maximum output current of 1.5A, ensuring sufficient power for demanding applications. With a single regulator, the LM317AT/E7001847 offers a straightforward and efficient solution for power management needs.

This PMIC is designed with a positive output configuration and is available in a through-hole mounting type, making it easy to integrate into various circuit designs. The LM317AT/E7001847 is packaged in bulk and is compliant with ROHS3 standards, ensuring environmental sustainability. It also features a Moisture Sensitivity Level (MSL) of 1, indicating unlimited storage conditions, which enhances its reliability and longevity.

LM317AT/E7001847 Features

The LM317AT/E7001847 offers several unique features that set it apart from similar models in the market:

• Over Current, Over Temperature, and Short Circuit Protection: These protection features ensure the device remains safe and reliable under various operating conditions, preventing damage from excessive current, high temperatures, and short circuits.
• High PSRR: The wide range of PSRR values (80dB to 65dB) ensures effective noise filtering, resulting in a stable and clean output voltage.
• Fixed Output Voltage: The fixed output voltage of 1.25V provides a consistent power supply, which is crucial for applications requiring precise voltage levels.
• High Input Voltage Range: With a maximum input voltage of 40V, the LM317AT/E7001847 can handle a wide range of input voltages, making it versatile for various applications.
• High Output Current Capability: The ability to deliver up to 1.5A of output current ensures that the device can power demanding electronic systems.
• Through-Hole Mounting: This mounting type simplifies integration into printed circuit boards (PCBs) and is suitable for both prototyping and production environments.
• ROHS3 Compliance: The device meets stringent environmental standards, making it suitable for use in environmentally conscious applications.
• Unlimited Storage Conditions: The MSL rating of 1 ensures that the device can be stored without the risk of moisture damage, enhancing its reliability and longevity.

LM317AT/E7001847 Applications

The LM317AT/E7001847 is ideal for a variety of applications where stable and reliable power supply is critical. Some specific use cases include:

• Industrial Control Systems: Providing a stable power supply for sensors, actuators, and control units in industrial environments.
• Telecommunications Equipment: Ensuring reliable power for base stations, repeaters, and other telecommunication devices.
• Automotive Electronics: Powering electronic control units (ECUs) and other automotive systems that require precise voltage regulation.
• Medical Devices: Supplying stable power to medical equipment such as monitors, diagnostic tools, and portable devices.
• Consumer Electronics: Providing a reliable power source for devices such as routers, modems, and other consumer electronics that require a stable and clean power supply.

Conclusion of LM317AT/E7001847

The LM317AT/E7001847 from Texas Instruments is a robust and versatile power management IC designed to meet the demanding requirements of modern electronic systems. Its combination of high PSRR, fixed output voltage, and comprehensive protection features make it an excellent choice for applications requiring stable and reliable power supply. The device’s through-hole mounting type and ROHS3 compliance further enhance its suitability for a wide range of applications. Whether used in industrial, automotive, medical, or consumer electronics, the LM317AT/E7001847 offers a reliable and efficient solution for power management needs.