STMicroelectronics

ST2L05-3300K5

ST2L05-3300K5 Description

The ST2L05-3300K5 is a dual linear regulator IC designed by STMicroelectronics, featuring two independent, adjustable output regulators with a fixed voltage option. This device is part of the Power Management Integrated Circuits (PMIC) category and is housed in a surface-mount package. It offers a maximum input voltage of 7V and can deliver up to 1A of current per regulator. The output voltage is adjustable down to a minimum of 1.25V, with a fixed option at 3.3V. The ST2L05-3300K5 is designed for high performance and reliability, with a dropout voltage of 1.3V at 1A for each regulator. It operates within a temperature range of 0°C to 125°C and features over-current and over-temperature protection.

ST2L05-3300K5 Features

• Dual Regulators: The ST2L05-3300K5 includes two independent linear regulators, providing flexibility in power management applications.
• Adjustable and Fixed Output: The regulators offer both adjustable and fixed output voltage options, with a minimum adjustable voltage of 1.25V and a fixed option at 3.3V.
• High Current Capability: Each regulator can deliver up to 1A of current, making it suitable for applications requiring high power delivery.
• Low Dropout Voltage: The maximum dropout voltage is 1.3V at 1A, ensuring efficient power conversion even at low input-to-output voltage differentials.
• Wide Operating Temperature Range: The device operates reliably from 0°C to 125°C, making it suitable for a variety of industrial and consumer applications.
• Protection Features: Over-current and over-temperature protection ensure robustness and reliability in demanding environments.
• Low Quiescent Current: A quiescent current of 5 mA minimizes power consumption during idle periods.
• High PSRR: A power supply rejection ratio (PSRR) of 60dB at 120Hz ensures minimal noise and ripple in the output voltage.
• Compliance and Packaging: The ST2L05-3300K5 is REACH unaffected, RoHS3 compliant, and has a moisture sensitivity level (MSL) of 1, making it suitable for environmentally conscious designs. It is packaged in a tube for easy handling and storage.

ST2L05-3300K5 Applications

The ST2L05-3300K5 is ideal for a variety of applications requiring efficient power management and high reliability. Specific use cases include:

• Consumer Electronics: Ideal for powering devices such as smartphones, tablets, and portable gaming consoles where high current and low dropout voltage are critical.
• Industrial Equipment: Suitable for industrial control systems, where the wide operating temperature range and protection features ensure reliable operation in harsh environments.
• Telecommunications: Can be used in base stations and networking equipment for stable power supply and minimal noise.
• Automotive Applications: The robustness and wide temperature range make it suitable for automotive electronics, such as infotainment systems and advanced driver assistance systems (ADAS).

Conclusion of ST2L05-3300K5

The ST2L05-3300K5 from STMicroelectronics is a versatile and high-performance dual linear regulator IC, offering adjustable and fixed output voltage options with high current capability. Its low dropout voltage, wide operating temperature range, and protection features make it a reliable choice for various applications. While the product is marked as obsolete, its technical specifications and performance benefits continue to make it a valuable component for existing designs and legacy systems.