STMicroelectronics

LF25ABPT-TR

LF25ABPT-TR Description

The LF25ABPT-TR is a linear voltage regulator designed by STMicroelectronics, offering a fixed output voltage of 2.5V and a maximum output current of 500mA. This regulator is housed in a PPAK package and is suitable for surface-mount applications. Despite being marked as obsolete, the LF25ABPT-TR remains a robust solution for various power management needs.

Key technical specifications include a maximum input voltage of 16V, a dropout voltage of 0.7V at 500mA, and a supply current of 12mA. The regulator features a quiescent current of 1mA and a power supply rejection ratio (PSRR) ranging from 82dB at 120Hz to 65dB at 10kHz. It also includes enable control features and protection mechanisms against overcurrent and overtemperature conditions.

The LF25ABPT-TR is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. It has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited exposure to moisture. The product is available in tape and reel (TR) packaging, facilitating efficient handling and assembly processes.

LF25ABPT-TR Features

• Fixed Output Voltage: The LF25ABPT-TR provides a stable 2.5V output, making it ideal for applications requiring a consistent power supply.
• High Efficiency: With a dropout voltage of 0.7V at 500mA, the regulator maintains high efficiency even under heavy load conditions.
• Low Quiescent Current: The 1mA quiescent current ensures minimal power consumption during standby, enhancing overall system efficiency.
• Enable Control: The enable feature allows for dynamic control of the regulator, enabling power-saving modes and precise power management.
• Protection Features: Overcurrent and overtemperature protections safeguard the regulator and connected components from damage, ensuring reliable operation.
• Compliance and Packaging: REACH unaffected and RoHS3 compliant, the LF25ABPT-TR meets stringent environmental regulations. The tape and reel packaging is ideal for automated assembly processes.

LF25ABPT-TR Applications

The LF25ABPT-TR is well-suited for a variety of applications where a stable 2.5V supply is required. Its low dropout voltage and high efficiency make it particularly useful in battery-powered devices, where maintaining power efficiency is crucial. The regulator's compact PPAK package and surface-mount design make it ideal for space-constrained applications, such as portable electronics, IoT devices, and wearable technology.

The enable control feature allows for dynamic power management, making the LF25ABPT-TR suitable for systems that require power-saving modes or need to be turned on and off frequently. The overcurrent and overtemperature protections ensure the regulator can handle demanding operating conditions, making it a reliable choice for industrial and automotive applications.

Conclusion of LF25ABPT-TR

The LF25ABPT-TR, despite being marked as obsolete, remains a valuable component for power management applications. Its fixed 2.5V output, low dropout voltage, and enable control features make it a versatile and efficient solution. The regulator's compliance with environmental standards and its robust protection mechanisms ensure reliable operation in various conditions. While newer alternatives may exist, the LF25ABPT-TR continues to offer a reliable and efficient power management solution for applications requiring a stable 2.5V supply.