Sharp Microelectronics Tariff Inquiry

PQ1KA503MZPH

PQ1KA503MZPH Description

The PQ1KA503MZPH is a linear voltage regulator designed for high performance and reliability in various electronic applications. Manufactured by Sharp Microelectronics, this regulator is part of the PQ1K series and offers a fixed output voltage of 5V with a maximum output current of 300mA. It features a quiescent current of 800 µA and a power supply rejection ratio (PSRR) of 55dB at 120Hz, ensuring stable performance under varying input conditions. The regulator is designed to operate with a maximum input voltage of 15V and has a dropout voltage of 0.7V at 300mA, making it suitable for applications requiring efficient power management.

PQ1KA503MZPH Features

• Fixed Output Voltage: The PQ1KA503MZPH provides a stable 5V output, ideal for applications requiring a consistent power supply.
• High PSRR: With a PSRR of 55dB at 120Hz, the regulator effectively filters out noise and ripple from the input voltage, ensuring clean power delivery to sensitive circuits.
• Low Quiescent Current: The 800 µA quiescent current minimizes power consumption, making this regulator suitable for battery-powered and low-power applications.
• Over Current and Over Temperature Protection: These protection features safeguard the regulator and connected circuits from potential damage due to excessive current or temperature, enhancing overall system reliability.
• Enable Control Feature: The enable function allows for dynamic control of the regulator's operation, providing flexibility in power management and system design.
• Surface Mount Technology: The surface mount package (SOT23L-6) ensures easy integration into compact and high-density PCB designs.
• Moisture Sensitivity Level 1: The MSL 1 rating indicates that the component is not moisture-sensitive, allowing for unlimited exposure to ambient conditions without the need for special handling or storage requirements.

PQ1KA503MZPH Applications

The PQ1KA503MZPH is well-suited for a variety of applications where a stable and efficient power supply is critical. Some specific use cases include:

• Consumer Electronics: Ideal for powering microcontrollers, sensors, and other low-power devices in consumer electronics such as smartphones, tablets, and IoT devices.
• Industrial Systems: Suitable for industrial control systems, automation equipment, and instrumentation where reliable power management is essential.
• Medical Devices: Can be used in medical equipment requiring precise voltage regulation and low noise performance, such as portable diagnostic devices and monitoring systems.
• Communication Equipment: Provides stable power for communication modules, routers, and other networking devices that require efficient power management.

Conclusion of PQ1KA503MZPH

The PQ1KA503MZPH from Sharp Microelectronics is a robust and efficient linear voltage regulator designed to meet the demands of modern electronic systems. Its combination of a fixed 5V output, low quiescent current, high PSRR, and comprehensive protection features make it an ideal choice for applications requiring stable and reliable power management. Despite being marked as obsolete, the PQ1KA503MZPH remains a valuable component for engineers and designers seeking a high-performance regulator with a compact form factor and advanced control capabilities.