STMicroelectronics

LD39300PT25-R

LD39300PT25-R Description

The LD39300PT25-R is a high-performance linear regulator designed by STMicroelectronics, offering a fixed output voltage of 2.5V with a maximum output current of 3A. This regulator is housed in a PPAK package, making it suitable for surface-mount applications. Despite being marked as obsolete, the LD39300PT25-R remains a robust choice for power management solutions due to its low dropout voltage and high efficiency.

LD39300PT25-R Features

• Output Type: Fixed, ensuring a stable 2.5V output voltage.
• Input Voltage Range: Up to 6V, providing flexibility in power supply options.
• Output Current: Capable of delivering up to 3A, making it suitable for demanding applications.
• Low Dropout Voltage: Maximum dropout voltage of 0.4V at 3A, enhancing efficiency in low-voltage applications.
• Low Quiescent Current: Only 5 µA, minimizing power consumption in standby mode.
• Power Supply Current: Maximum of 2.5 mA, contributing to overall system efficiency.
• Control Features: Includes an enable function for dynamic control.
• Protection Features: Over-current and over-temperature protection ensure reliability and longevity.
• PSRR: 65dB to 55dB across the frequency range of 120Hz to 1kHz, ensuring high performance in noisy environments.
• Compliance: REACH unaffected and ROHS3 compliant, meeting stringent environmental and safety standards.
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for a wide range of manufacturing processes.
• Packaging: Tape & Reel (TR), facilitating automated assembly processes.

LD39300PT25-R Applications

The LD39300PT25-R is ideal for a variety of applications where a stable and efficient power supply is crucial. Its low dropout voltage and high output current make it particularly suitable for:

• Consumer Electronics: Powering devices that require a stable 2.5V supply, such as smartphones, tablets, and portable gaming devices.
• Industrial Equipment: Providing reliable power to sensors, actuators, and control systems.
• Telecommunications: Ensuring stable power for base stations, routers, and other networking equipment.
• Automotive Applications: Suitable for infotainment systems, GPS units, and other electronic components within vehicles.

Conclusion of LD39300PT25-R

The LD39300PT25-R stands out in the power management IC market due to its combination of high efficiency, low dropout voltage, and robust protection features. Despite being marked as obsolete, its technical specifications and performance benefits make it a reliable choice for applications requiring a stable 2.5V supply. The PPAK package and surface-mount compatibility ensure it fits seamlessly into modern electronic designs. For applications where power efficiency and reliability are paramount, the LD39300PT25-R remains a compelling option.