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PQ1KA183MZPH

PQ1KA183MZPH Description

The PQ1KA183MZPH is a linear regulator IC designed by Sharp Microelectronics, offering a fixed output voltage of 1.8V and a maximum output current of 300mA. This device is housed in a compact SOT23L-6 package, making it suitable for surface-mount applications. Despite its small form factor, the PQ1KA183MZPH provides robust performance with a quiescent current of only 800 µA and a power supply rejection ratio (PSRR) of 55dB at 120Hz. It is capable of handling input voltages up to 15V, ensuring compatibility with a wide range of power sources. The regulator includes essential protection features such as over-current and over-temperature protection, enhancing its reliability and longevity in various operating conditions. Additionally, it features an enable control, allowing for dynamic power management. Although the product is now obsolete, its unique combination of performance and protection features made it a preferred choice for many applications in its time.

PQ1KA183MZPH Features

• Fixed Output Voltage: The PQ1KA183MZPH provides a stable 1.8V output voltage, ensuring consistent power delivery to sensitive electronic components.
• Low Quiescent Current: With a quiescent current of just 800 µA, this regulator is highly efficient, making it ideal for battery-powered and low-power applications.
• High PSRR: A power supply rejection ratio of 55dB at 120Hz ensures minimal noise and ripple on the output voltage, contributing to high signal integrity.
• Wide Input Voltage Range: The regulator can operate with input voltages up to 15V, providing flexibility in power source selection.
• Protection Features: Over-current and over-temperature protection mechanisms safeguard the device and connected circuits from damage.
• Enable Control: The enable feature allows for dynamic control of the regulator's operation, enabling power-saving modes and efficient power management.
• Surface-Mount Package: The SOT23L-6 package is compact and suitable for surface-mount technology, facilitating integration into modern PCB designs.

PQ1KA183MZPH Applications

The PQ1KA183MZPH is well-suited for a variety of applications where stable, low-noise power supply is crucial. Its compact size and efficient operation make it ideal for:

• Portable Electronic Devices: In battery-operated gadgets, the low quiescent current and high PSRR ensure extended battery life and clean power supply.
• Embedded Systems: The regulator's fixed output voltage and protection features make it a reliable power solution for embedded microcontrollers and sensors.
• Communication Equipment: The high PSRR and low noise characteristics are beneficial in communication systems where signal integrity is paramount.
• Industrial Control Systems: The over-current and over-temperature protection features enhance reliability in harsh industrial environments.

Conclusion of PQ1KA183MZPH

The PQ1KA183MZPH, despite being obsolete, remains a testament to Sharp Microelectronics' commitment to delivering high-performance power management solutions. Its combination of low quiescent current, high PSRR, and robust protection features made it a standout choice for applications requiring stable and efficient power regulation. While modern alternatives may have emerged, the PQ1KA183MZPH's legacy continues to influence the design of power management ICs, emphasizing the importance of efficiency, reliability, and flexibility in electronic power solutions.