STMicroelectronics

LD29300P2M25

LD29300P2M25 Description

The LD29300P2M25 is a linear regulator IC designed by STMicroelectronics, offering a fixed output voltage of 2.5V and a maximum output current of 3A. This device is housed in a P2PAK-4 package, making it suitable for surface mount applications. The regulator is designed to operate with an input voltage range up to 14V, ensuring compatibility with a variety of power supply systems. The LD29300P2M25 features a low dropout voltage of 0.7V at 3A, which enhances its efficiency and performance in applications where input voltage is close to the output voltage.

The regulator includes protection features such as over-current and over-temperature protection, ensuring reliable operation under various conditions. It also boasts a high power supply rejection ratio (PSRR) of 70dB at 120Hz, which helps in maintaining a stable output voltage even in the presence of input voltage fluctuations. The quiescent current of 50mA and supply current of 100mA further contribute to its efficiency and suitability for low-power applications.

LD29300P2M25 Features

• Output Type: Fixed
• Output Voltage: 2.5V
• Maximum Output Current: 3A
• Input Voltage Range: Up to 14V
• Low Dropout Voltage: 0.7V @ 3A
• Protection Features: Over-current and over-temperature protection
• High PSRR: 70dB at 120Hz
• Quiescent Current: 50mA
• Supply Current: 100mA
• Package Type: P2PAK-4
• Mounting Type: Surface Mount
• Compliance: ROHS3 compliant, REACH unaffected, MSL 1 (unlimited)

LD29300P2M25 Applications

The LD29300P2M25 is ideal for a range of applications that require a stable power supply with a fixed output voltage. Its low dropout voltage and high PSRR make it particularly suitable for applications where input voltage variations are common, such as in automotive electronics, industrial control systems, and consumer electronics.

Specific use cases include:

• Automotive Electronics: Providing stable power to electronic control units (ECUs) and other automotive systems.
• Industrial Control Systems: Ensuring reliable power supply for sensors, actuators, and control modules.
• Consumer Electronics: Powering devices such as smartphones, tablets, and other portable electronics.

Conclusion of LD29300P2M25

The LD29300P2M25 from STMicroelectronics is a robust linear regulator designed to meet the demands of modern power management applications. Its fixed 2.5V output and 3A current capability, combined with low dropout voltage and high PSRR, make it an excellent choice for applications requiring stable and efficient power delivery. The inclusion of over-current and over-temperature protection ensures reliability and longevity, while its surface mount package and compliance with industry standards make it easy to integrate into various systems. Despite being marked as obsolete, the LD29300P2M25 remains a viable option for designers looking for a reliable and efficient power management solution.