STMicroelectronics

LD49300PT12R  

Linear & Switching Voltage Regulators

LD49300PT12R Description

The LD49300PT12R is a linear regulator IC designed by STMicroelectronics, a leading manufacturer in the power management sector. This device is specifically engineered to provide a stable 1.2V output voltage with a maximum output current of 3A. It is housed in a PPAK package, which is ideal for surface-mount applications, ensuring robustness and reliability in various electronic systems.

LD49300PT12R Features

• Output Type: Fixed, ensuring a consistent 1.2V output voltage.
• Input Voltage Range: The regulator can operate with a maximum input voltage of 5.5V, making it suitable for applications with varying input voltage levels.
• Output Current: Capable of delivering up to 3A, the LD49300PT12R is designed to handle high-current applications efficiently.
• Low Dropout Voltage: With a maximum dropout voltage of 0.4V at 3A, this regulator maintains high efficiency even when the input voltage is close to the output voltage.
• Control Features: The enable feature allows for dynamic control of the regulator, enabling power-saving modes and system optimization.
• Protection Features: Over-current and over-temperature protections ensure the device's longevity and reliability, safeguarding against potential faults and thermal runaway.
• Power Supply Current: The maximum supply current is 6 mA, contributing to low power consumption during operation.
• Quiescent Current: A quiescent current of 4 mA ensures minimal power draw when the regulator is in standby mode.
• PSRR: The power supply rejection ratio of 68dB at 120Hz ensures high performance in noisy environments, maintaining output voltage stability.
• Compliance: The LD49300PT12R is REACH unaffected and RoHS3 compliant, meeting stringent environmental and safety standards.
• Moisture Sensitivity Level: MSL 1 (Unlimited) indicates the device is suitable for a wide range of environmental conditions without requiring special handling.

LD49300PT12R Applications

The LD49300PT12R is ideal for a variety of applications where high current and stable voltage output are required. Some specific use cases include:

• Power Supply Modules: Ideal for providing stable power to critical components in power supply units.
• Embedded Systems: Suitable for embedded systems requiring high-current, low-voltage regulation.
• Telecommunications: Can be used in telecom equipment where reliable power management is crucial.
• Consumer Electronics: Applicable in consumer electronics that demand efficient power regulation and low noise.
• Automotive Electronics: Suitable for automotive applications where high reliability and robustness are essential.

Conclusion of LD49300PT12R

The LD49300PT12R from STMicroelectronics is a high-performance linear regulator designed to meet the demands of modern electronic systems. Its unique features, such as low dropout voltage, high PSRR, and robust protection mechanisms, make it a reliable choice for applications requiring stable power regulation. Despite being marked as obsolete, the LD49300PT12R remains a valuable component for engineers and designers seeking efficient power management solutions. Its compliance with environmental standards and versatile package options further enhance its appeal in various industrial and consumer applications.

LD49300PT12R Documents

Download datasheets and manufacturer documentation for LD49300PT12R

Datasheets :

LD49300      

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