STMicroelectronics

ST2L05R3325PS

ST2L05R3325PS Description

The ST2L05R3325PS is a dual linear voltage regulator designed by STMicroelectronics, a leading manufacturer in the semiconductor industry. This IC is part of the Power Management Integrated Circuit (PMIC) category and is specifically designed to provide stable and reliable power to various electronic systems. The ST2L05R3325PS features a fixed output voltage configuration with two regulators, each capable of delivering 1A of current. It operates with a maximum input voltage of 7V and provides fixed output voltages of 2.5V and 3.3V. The device is housed in an 8DFN package, which is suitable for surface mount applications, making it ideal for compact and high-density designs.

ST2L05R3325PS Features

• Output Type: Fixed, ensuring stable voltage levels for sensitive electronic components.
• Voltage - Input (Max): 7V, providing a wide input voltage range to accommodate various power sources.
• Current - Output: 1A per regulator, capable of supporting high-current applications.
• Number of Regulators: 2, allowing for dual power supply requirements within a single package.
• Output Configuration: Positive, suitable for most electronic systems requiring positive voltage rails.
• Voltage Dropout (Max): 1.3V @ 1A, ensuring efficient operation even at high load currents.
• Operating Temperature: 0°C to 125°C, making it suitable for a wide range of environmental conditions.
• Current - Quiescent (Iq): 7 mA, contributing to low power consumption during idle states.
• PSRR: 60dB at 120Hz, providing excellent noise rejection capabilities.
• Protection Features: Over Current and Over Temperature, ensuring robust protection against common failure modes.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), suitable for extended storage and handling.
• Mounting Type: Surface Mount, ideal for modern PCB designs.
• Package: Tape & Reel (TR), facilitating automated assembly processes.

ST2L05R3325PS Applications

The ST2L05R3325PS is well-suited for a variety of applications where dual voltage regulation is required. Its ability to provide two distinct output voltages makes it particularly useful in systems that require multiple power rails. Some specific use cases include:

• Embedded Systems: Providing stable power to microcontrollers and other embedded components.
• Communication Equipment: Ensuring reliable power supply for RF modules and communication interfaces.
• Industrial Control: Supplying power to sensors and actuators in industrial automation systems.
• Consumer Electronics: Powering various components in devices such as smartphones, tablets, and IoT devices.

Conclusion of ST2L05R3325PS

The ST2L05R3325PS is a versatile and reliable dual linear voltage regulator that offers significant advantages over similar models. Its dual regulator design, fixed output voltages, and robust protection features make it an ideal choice for applications requiring multiple power rails. Despite being marked as obsolete, the ST2L05R3325PS remains a valuable component for designers looking to maintain compatibility with existing systems or for those who require its specific performance characteristics.