STMicroelectronics

LD29300V18

LD29300V18 Description

The LD29300V18 is a fixed-output linear regulator designed by STMicroelectronics, a leading manufacturer in the power management integrated circuits (PMIC) category. This regulator is designed to provide a stable 1.8V output voltage with a maximum output current of 3A. It features a maximum input voltage of 14V and a dropout voltage of 0.7V at 3A, ensuring efficient operation even under varying input conditions. The LD29300V18 is housed in a through-hole TO220AB package, making it suitable for a variety of applications requiring robust and reliable power management solutions.

LD29300V18 Features

• Fixed Output Voltage: The LD29300V18 provides a fixed output voltage of 1.8V, ensuring stable power supply to sensitive electronic components.
• High Output Current: Capable of delivering up to 3A of output current, this regulator is ideal for applications requiring high current loads.
• Low Dropout Voltage: With a maximum dropout voltage of 0.7V at 3A, the LD29300V18 maintains high efficiency even when the input voltage is close to the output voltage.
• Protection Features: Integrated over-current and over-temperature protection features safeguard the regulator and connected components from damage.
• Low Quiescent Current: A quiescent current of 50 mA ensures minimal power consumption during standby conditions.
• High PSRR: The regulator boasts a power supply rejection ratio (PSRR) of 72dB at 120Hz, effectively filtering out noise from the input power supply.
• Compliance and Packaging: The LD29300V18 is REACH unaffected and RoHS3 compliant, making it suitable for environmentally conscious applications. It is packaged in a tube, ensuring ease of handling and storage.

LD29300V18 Applications

The LD29300V18 is well-suited for a variety of applications where a stable and efficient power supply is critical. Some specific use cases include:

• Embedded Systems: Providing a stable power source for microcontrollers and other embedded components.
• Consumer Electronics: Ideal for powering devices such as smartphones, tablets, and other portable electronics.
• Industrial Equipment: Suitable for industrial applications requiring reliable power management.
• Telecommunications: Used in base stations and other telecom equipment where high current and low dropout voltage are essential.

Conclusion of LD29300V18

The LD29300V18 from STMicroelectronics is a robust and efficient linear regulator that offers a fixed 1.8V output with a maximum current of 3A. Its low dropout voltage, high PSRR, and integrated protection features make it a reliable choice for a wide range of applications. Despite being marked as obsolete, the LD29300V18 remains a viable option for designers seeking a proven and stable power management solution.