STMicroelectronics

ST2L01K5R

ST2L01K5R Description

The ST2L01K5R is a dual linear regulator IC designed by STMicroelectronics, featuring adjustable and fixed output voltages. This device is part of the Power Management Integrated Circuit (PMIC) category and is ideal for applications requiring precise voltage regulation. The ST2L01K5R supports a maximum input voltage of 5.25V and offers two regulators, each capable of delivering 1A of output current. The output configuration is positive, with a minimum fixed output voltage of 1.25V and a maximum output voltage of 3V. The device is available in a surface-mount package, specifically in a Tape & Reel (TR) format, making it suitable for automated assembly processes.

ST2L01K5R Features

• Adjustable and Fixed Output Voltages: The ST2L01K5R combines the flexibility of adjustable output voltage with the stability of fixed output voltage, providing a versatile solution for various power management needs.
• High Efficiency and Low Dropout Voltage: With a maximum dropout voltage of 1.3V at 1A for both regulators, the ST2L01K5R ensures high efficiency even under heavy load conditions.
• Robust Protection Features: The device includes over-current and over-temperature protection, safeguarding the IC and connected components from potential damage.
• Wide Operating Temperature Range: The ST2L01K5R operates reliably within a temperature range of 0°C to 125°C, making it suitable for a wide range of industrial and consumer applications.
• High Power Supply Rejection Ratio (PSRR): The device offers a PSRR of 70dB to 38dB across a frequency range of 1kHz to 100kHz, ensuring stable output voltage under varying input conditions.
• Compliance and Reliability: The ST2L01K5R is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards. It also has a moisture sensitivity level (MSL) of 1, indicating unlimited storage time without requiring a dry pack.

ST2L01K5R Applications

The ST2L01K5R is well-suited for applications that demand precise voltage regulation and efficient power management. Some specific use cases include:

• Consumer Electronics: Ideal for portable devices, smartphones, and tablets where compact size and high efficiency are critical.
• Industrial Equipment: Suitable for industrial control systems, sensors, and actuators that require stable power supply within a wide temperature range.
• Automotive Electronics: Applicable in automotive applications where reliability and robustness are essential, such as infotainment systems and electronic control units.
• Medical Devices: Can be used in medical equipment where precise voltage regulation and low dropout voltage are necessary for reliable operation.

Conclusion of ST2L01K5R

The ST2L01K5R from STMicroelectronics is a versatile dual linear regulator IC that offers a combination of adjustable and fixed output voltages, high efficiency, and robust protection features. Its low dropout voltage and high PSRR make it an excellent choice for applications requiring stable and efficient power management. Despite being marked as obsolete, the ST2L01K5R remains a reliable option for engineers and designers looking for a proven solution in power management. Its compliance with environmental and safety standards ensures that it meets the requirements of modern electronics manufacturing.