STMicroelectronics

LDR2533PT-R

LDR2533PT-R Description

The LDR2533PT-R is a dual linear voltage regulator designed by STMicroelectronics, a leading manufacturer in the electronics industry. This IC is part of the Power Management (PMIC) category and is known for its fixed output voltage options of 2.5V and 3.3V. It is housed in a PPAK package, making it suitable for surface mount applications. Despite being marked as obsolete, the LDR2533PT-R remains a reliable choice for applications requiring a stable and efficient power supply.

LDR2533PT-R Features

The LDR2533PT-R offers several key features that make it a robust solution for power management needs:

• Dual Regulators: The IC includes two regulators, providing flexibility in managing multiple power supply requirements.
• Fixed Output Voltages: The regulator supports fixed output voltages of 2.5V and 3.3V, catering to common voltage needs in various electronic systems.
• High Current Capability: With a maximum output current of 1A per regulator, the LDR2533PT-R can handle substantial power demands.
• Low Dropout Voltage: The maximum dropout voltage of 0.8V at 1A ensures efficient power conversion, even at low input voltages.
• Low Quiescent Current: A quiescent current of only 50 µA minimizes power consumption during idle states.
• High PSRR: The regulator a boasts Power Supply Rejection Ratio (PSRR) of 70dB at 120Hz, effectively filtering out noise from the input supply.
• Protection Features: The LDR2533PT-R includes over-current, over-temperature, and short-circuit protection, ensuring reliable operation under various conditions.
• Enable Control: The enable feature allows for dynamic control of the regulator's operation, enhancing power management capabilities.

LDR2533PT-R Applications

The LDR2533PT-R is well-suited for a variety of applications where stable and efficient power supply is critical:

• Consumer Electronics: Ideal for powering devices such as smartphones, tablets, and portable gaming consoles, where multiple voltage rails are required.
• Industrial Equipment: Suitable for industrial control systems and automation devices that demand reliable power management.
• Telecommunications: Can be used in base stations and networking equipment to provide stable power to various components.
• Automotive Systems: Applicable in automotive electronics for managing power supply to critical systems such as infotainment and control modules.

Conclusion of LDR2533PT-R

The LDR2533PT-R by STMicroelectronics is a versatile dual linear voltage regulator that offers a combination of high performance and reliability. Its fixed output voltages, high current capability, and low dropout voltage make it an efficient solution for a wide range of applications. The inclusion of advanced protection features and enable control further enhances its functionality. Although marked as obsolete, the LDR2533PT-R remains a valuable component for engineers and designers seeking a proven power management solution.