STMicroelectronics

LD39300PT33-R

LD39300PT33-R Description

The LD39300PT33-R is a high-performance linear regulator designed by STMicroelectronics, offering a fixed output voltage of 3.3V and 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 LD39300PT33-R remains a robust solution for various power management needs, particularly where a stable and reliable power supply is required.

LD39300PT33-R Features

• Output Type: Fixed output voltage ensures consistent power delivery, making it ideal for applications requiring stable voltage levels.
• Input Voltage Range: With a maximum input voltage of 6V, the LD39300PT33-R can accommodate a variety of input sources, providing flexibility in power supply design.
• Output Current: Capable of delivering up to 3A, this regulator is well-suited for applications requiring high current loads.
• Low Dropout Voltage: A maximum dropout voltage of 0.4V at 3A ensures high efficiency, even under heavy load conditions.
• Low Quiescent Current: With a qucenties current of only 5 µA, the regulator minimizes power consumption during standby or low-load conditions.
• High PSRR: The regulator offers a high power supply rejection ratio (PSRR) of 65dB to 55dB across the frequency range of 120Hz to 1kHz, ensuring clean output voltage.
• Protection Features: Over-current and over-temperature protection features safeguard the regulator and connected circuits from damage.
• Control Features: The enable function allows for dynamic control of the regulator's operation, enhancing system flexibility.
• Compliance: The LD39300PT33-R is REACH unaffected and RoHS3 compliant, ensuring environmental and regulatory standards are met.
• Moisture Sensitivity Level: MSL 1 (Unlimited) indicates the regulator can be safely stored and handled without special precautions.

LD39300PT33-R Applications

The LD39300PT33-R is ideal for a range of applications where a stable 3.3V power supply is required. Its high current capability and low dropout voltage make it particularly suitable for:

• Consumer Electronics: Powering devices such as smartphones, tablets, and other portable electronics.
• Industrial Equipment: Providing stable power for sensors, controllers, and other industrial components.
• Telecommunications: Ensuring reliable power delivery for base stations, routers, and other communication infrastructure.
• Automotive Systems: Suitable for in-vehicle electronics, where a stable and efficient power supply is crucial.

Conclusion of LD39300PT33-R

The LD39300PT33-R from STMicroelectronics is a versatile and reliable linear regulator, offering a fixed 3.3V output and up to 3A of current. Its low dropout voltage, high PSRR, and comprehensive protection features make it a robust choice for a variety applications of. Despite its obsolete status, the regulator's performance and compliance with industry standards ensure it remains a valuable component for power management solutions.