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PQ20WZ1U

PQ20WZ1U Description

The PQ20WZ1U is a linear voltage regulator designed by Sharp Microelectronics, offering adjustable output voltage capabilities. This regulator is designed to provide a stable output voltage ranging from 3V to 20V, with a maximum input voltage of 24V. It features a single regulator with a positive output configuration, capable of delivering up to 1A of output current. The PQ20WZ1U is housed in a surface-mount SC63 package, making it suitable for compact and space-constrained applications. Despite its small size, it offers robust performance with a maximum dropout voltage of 0.5V at 500mA, ensuring efficient operation even at lower input-to-output voltage differences.

PQ20WZ1U Features

• Adjustable Output Voltage: The PQ20WZ1U provides an adjustable output voltage range from 3V to 20V, making it versatile for various applications requiring different voltage levels.
• High Efficiency: With a maximum dropout voltage of 0.5V at 500mA, the regulator maintains high efficiency, especially in applications where the input voltage is close to the desired output voltage.
• Low Quiescent Current: The regulator features a low quiescent current of 8mA, which is beneficial for applications where power consumption needs to be minimized.
• Enable Control Feature: The enable feature allows for dynamic control of the regulator, enabling or disabling the output voltage as needed, which can be useful in power management systems.
• Protection Features: The PQ20WZ1U includes over-current and over-temperature protection, ensuring reliable operation and preventing damage in case of abnormal conditions.
• High Power Supply Rejection Ratio (PSRR): With a PSRR of 60dB at 120Hz, the regulator effectively filters out noise from the input power supply, providing a clean and stable output voltage.
• Moisture Sensitivity Level (MSL): The regulator has an MSL of 1 (Unlimited), making it suitable for a wide range of manufacturing environments without the need for special handling procedures.
• Surface Mount Packaging: The surface-mount SC63 package allows for easy integration into modern PCB designs, facilitating automated assembly processes.

PQ20WZ1U Applications

The PQ20WZ1U is ideal for a variety of applications where a compact, efficient, and reliable voltage regulator is required. Some specific use cases include:

• Consumer Electronics: Ideal for portable devices, such as smartphones, tablets, and digital cameras, where space is limited and power efficiency is crucial.
• Industrial Equipment: Suitable for industrial control systems, sensors, and actuators that require stable and adjustable voltage sources.
• Telecommunications: Can be used in base stations, routers, and other telecommunication equipment where reliable power regulation is essential.
• Automotive Electronics: Applicable in automotive systems, such as infotainment systems and electronic control units, where the regulator's robustness and protection features are beneficial.
• Power Management Systems: The enable feature and low quiescent current make it suitable for power management systems where dynamic control and low power consumption are required.

Conclusion of PQ20WZ1U

The PQ20WZ1U from Sharp Microelectronics is a versatile and efficient linear voltage regulator, offering adjustable output voltage, low dropout voltage, and robust protection features. Its compact surface-mount package and low quiescent current make it suitable for a wide range of applications, from consumer electronics to industrial and automotive systems. Despite being marked as obsolete, the PQ20WZ1U remains a reliable choice for applications requiring a stable and efficient voltage regulation solution.