Texas Instruments

LMS8117AMP-3.3

LMS8117AMP-3.3 Description

The LMS8117AMP-3.3 is a linear regulator designed by Texas Instruments, offering a fixed output voltage of 3.3V and a maximum output current of 1A. This device is part of the Power Management Integrated Circuit (PMIC) category and is housed in a Surface Mount SOT223 package. Despite its "Obsolete" product status, the LMS8117AMP-3.3 remains a reliable choice for applications requiring a stable 3.3V supply. It features a maximum input voltage of 15V and a dropout voltage of 1.25V at 1A, ensuring efficient operation even under varying input conditions. The regulator includes over-current and over-temperature protection, enhancing its robustness and reliability. With a quiescent current of 5 mA and a supply current of up to 10 mA, the LMS8117AMP-3.3 is optimized for low power consumption. Its operating temperature range of 0°C to 125°C and a moisture sensitivity level of 1 (unlimited) make it suitable for a wide range of industrial and consumer applications.

LMS8117AMP-3.3 Features

• Fixed Output Voltage: Provides a stable 3.3V output, ideal for powering sensitive electronics.
• High Efficiency: Achieves a dropout voltage of 1.25V at 1A, ensuring high efficiency even at lower input voltages.
• Protection Features: Equipped with over-current and over-temperature protection to safeguard against potential faults.
• Low Quiescent Current: Consumes only 5 mA in quiescent mode, making it suitable for battery-powered devices.
• Wide Operating Temperature Range: Functions reliably between 0°C and 125°C, suitable for various environmental conditions.
• Surface Mount Package: The SOT223 package is compact and easy to integrate into PCB designs.
• Moisture Sensitivity Level: MSL 1 (unlimited) ensures the device can be stored and handled without special precautions.
• Power Supply Rejection Ratio (PSRR): Offers a PSRR of 60 to 75 dB at 120Hz, ensuring a clean output voltage.

LMS8117AMP-3.3 Applications

The LMS8117AMP-3.3 is well-suited for a variety of applications where a stable 3.3V supply is required. Its compact size and efficient operation make it ideal for:

• Consumer Electronics: Powering microcontrollers, sensors, and other low-power devices in smartphones, tablets, and IoT devices.
• Industrial Equipment: Providing a stable power supply for control systems, PLCs, and other industrial automation components.
• Telecommunications: Supplying power to communication modules, routers, and other networking equipment.
• Automotive Electronics: Suitable for in-vehicle infotainment systems, ECUs, and other automotive applications requiring a reliable power source.

Conclusion of LMS8117AMP-3.3

The LMS8117AMP-3.3 is a robust and efficient linear regulator designed for applications requiring a stable 3.3V supply. Its low dropout voltage, low quiescent current, and comprehensive protection features make it a reliable choice for a wide range of applications. Despite its "Obsolete" status, the device remains a viable option for new designs due to its performance and availability. Texas Instruments' commitment to quality ensures that the LMS8117AMP-3.3 continues to meet the demands of modern electronics, providing a stable and efficient power solution.