STMicroelectronics

STLQ015XG33R

STLQ015XG33R Description

The STLQ015XG33R is a linear regulator IC designed by STMicroelectronics, featuring a fixed output voltage of 3.3V and a maximum output current of 150mA. This device is housed in a compact SOT666 package, making it suitable for surface-mount applications. Despite its small size, the STLQ015XG33R offers robust performance, with a maximum dropout voltage of 0.3V at 150mA, ensuring efficient operation even at low input voltages. The regulator is designed to operate with an input voltage range up to 5.5V, providing flexibility in power supply design. It also includes essential protection features such as over-current and over-temperature protection, enhancing reliability and longevity.

STLQ015XG33R Features

• Fixed Output Voltage: The STLQ015XG33R provides a stable 3.3V output, ideal for applications requiring a consistent power supply.
• High Efficiency: With a dropout voltage of only 0.3V at 150mA, this regulator maintains high efficiency even at low input voltages.
• Low Quiescent Current: The device features a low quiescent current of 2.4 µA, making it suitable for battery-powered applications where power consumption must be minimized.
• Enable Control The: STLQ015XG33R includes an enable control feature, allowing users to turn the regulator on and off as needed, which is beneficial for power management in complex systems.
• Protection Features: Over-current and over-temperature protection ensure the device operates safely under various conditions, enhancing overall system reliability.
• PSRR Performance: The regulator offers a Power Supply Rejection Ratio (PSRR) of 40dB to 15dB across a frequency range of 1kHz to 100kHz, effectively filtering out noise from the input power supply.
• Compliance The: STLQ015XG33R is REACH unaffected and RoHS3 compliant, meeting environmental and regulatory standards for electronic components.
• Moisture Sensitivity Level: The device has an MSL of 1 (Unlimited), making it suitable for a wide range of manufacturing environments.

STLQ015XG33R Applications

The STLQ015XG33R is well-suited for a variety of applications where a stable, low-power supply is required. Its compact size and high efficiency make it ideal for:

• Battery-Powered Devices: The low quiescent current and high efficiency ensure long battery life in portable electronics.
• Embedded Systems: The enable control feature allows for dynamic power management in complex embedded systems.
• Consumer Electronics: The regulator's small form factor and robust performance make it suitable for a wide range of consumer electronics applications.
• Industrial Control Systems: The over-current and over-temperature protection features enhance reliability in industrial environments.

Conclusion of STLQ015XG33R

The STLQ015XG33R is a versatile linear regulator that offers a balance of performance, efficiency, and reliability. Its fixed 3.3V output and low dropout voltage make it an excellent choice for applications requiring a stable power supply. The inclusion of enable control and comprehensive protection features further enhances its utility in various electronic systems. While the product is marked as obsolete, it a remains valuable option for designers seeking a compact, efficient, and reliable power management solution.