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PQ3DZ13

PQ3DZ13 Description

The PQ3DZ13 is a linear voltage regulator designed by Sharp Microelectronics, featuring a fixed output voltage of 3.3V and a maximum output current of 1A. This regulator is housed in a surface-mount SC63 package, making it suitable for compact and space-constrained applications. The PQ3DZ13 is designed to operate with an input voltage range up to 24V, ensuring compatibility with a wide range of power sources. It has a dropout voltage of 0.5V at 500mA, which is relatively low, allowing it to maintain regulation even at lower input voltages. The regulator also includes an enable control feature, providing additional flexibility in system design.

PQ3DZ13 Features

• Fixed Output Voltage: The PQ3DZ13 provides a stable 3.3V output, ideal for powering various electronic components and systems that require a consistent voltage supply.
• High Output Current: With a maximum output current of 1A, this regulator can efficiently power demanding applications without the need for additional current boosters.
• Low Dropout Voltage: The maximum dropout voltage of 0.5V at 500mA ensures that the regulator can maintain its output voltage even when the input voltage is close to the output voltage, enhancing overall efficiency.
• Enable Control Feature: The enable feature allows for dynamic control of the regulator's operation, enabling power-saving modes and controlled startup/shutdown sequences.
• Protection Features: The PQ3DZ13 includes over-current and over-temperature protection, safeguarding the regulator and connected components from potential damage due to excessive current or heat.
• Surface-Mount Package: The SC63 package is designed for surface-mount technology, making it suitable for automated assembly processes and compact PCB designs.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the PQ3DZ13 is suitable for a wide range of environmental conditions, including those with high humidity.
• Power Supply Rejection Ratio (PSRR): The regulator boasts a PSRR of 60dB at 120Hz, effectively filtering out noise from the input power supply and ensuring a clean output voltage.

PQ3DZ13 Applications

The PQ3DZ13 is well-suited for a variety of applications where a stable and efficient voltage supply is critical. Some specific use cases include:

• Consumer Electronics: Ideal for powering microcontrollers, sensors, and other low-power devices in consumer electronics.
• Industrial Equipment: Suitable for industrial applications requiring a reliable and efficient power supply, such as PLCs and control systems.
• Telecommunications: Can be used in telecom equipment to provide stable power to critical components, ensuring reliable operation.
• Automotive Electronics: The PQ3DZ13's robust design and protection features make it suitable for automotive applications, where reliability and durability are paramount.
• Medical Devices: The regulator's low dropout voltage and high PSRR make it ideal for medical devices that require a stable power supply and minimal noise.

Conclusion of PQ3DZ13

The PQ3DZ13 is a versatile linear voltage regulator that offers a combination of high performance and reliability. Its fixed 3.3V output and 1A current capability make it suitable for a wide range of applications, while its low dropout voltage and enable control feature provide additional flexibility. The inclusion of over-current and over-temperature protection ensures robustness and longevity, making the PQ3DZ13 a reliable choice for various electronic systems. Despite being marked as obsolete, the PQ3DZ13 remains a valuable component for designers seeking a compact, efficient, and reliable power solution.