Overview of Texas Instruments LMS8117ADT-3.3

The Texas Instruments LMS8117ADT-3.3 is a versatile and efficient low-dropout (LDO) regulator designed to provide a stable and reliable power source for a wide range of applications. This particular model delivers a fixed output voltage of 3.3V, which is commonly used in digital circuits and microcontroller-based systems.

Key Features

• Output Voltage: The LMS8117ADT-3.3 provides a fixed output voltage of 3.3V, which is ideal for powering 3.3V logic and mixed-signal devices.
• High Output Current: Capable of delivering an output current of up to 1A, it can handle a substantial load, making it suitable for both high-power and low-power applications.
• Low Dropout Voltage: With a low dropout voltage, this LDO regulator maintains regulation even when the input-to-output differential is minimal, enhancing the efficiency of the system.
• Thermal Protection: The device includes built-in thermal shutdown protection that helps prevent damage from overheating, ensuring long-term reliability.
• Current Limiting: Integrated current limiting provides additional protection against output short circuits or excessive loading, safeguarding both the regulator and the downstream components.
• Stable with Low-ESR Output Capacitors: The LMS8117ADT-3.3 is stable with ceramic capacitors, which are known for their low equivalent series resistance (ESR), reducing the overall component count and board space.

Applications

The LMS8117ADT-3.3's versatility makes it suitable for a variety of applications, including:

• Power supply for microcontrollers and digital systems
• Peripheral power supplies in personal computers
• Power supplies for battery-powered devices
• Post-regulation for switching power supplies

Package and Availability

The Texas Instruments LMS8117ADT-3.3 comes in a TO-252 (DPAK) surface-mount package, which is widely used in commercial and industrial applications. Its compact form factor makes it an excellent choice for space-constrained designs. For designers and engineers looking for a reliable power management solution, the LMS8117ADT-3.3 offers an optimal balance of performance, protection features, and ease of use.