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PQ1U501M2ZPH

PQ1U501M2ZPH Description

The PQ1U501M2ZPH is a linear voltage regulator designed by Sharp Microelectronics, offering a fixed output voltage of 5V and a maximum output current of 150mA. This regulator is housed in a compact SOT23-5 package, making it suitable for surface-mount applications. It features a maximum input voltage of 16V and a dropout voltage of 0.4V at 150mA, ensuring efficient operation even at low input-to-output differentials. The regulator includes an enable control feature, allowing for dynamic power management, and incorporates over-current and over-temperature protection to safeguard against potential faults. Despite being marked as obsolete, the PQ1U501M2ZPH remains a reliable choice for applications requiring a stable 5V supply with minimal power consumption and a small footprint.

PQ1U501M2ZPH Features

• Fixed Output Voltage: Provides a stable 5V output, ideal for powering a wide range of electronic devices and circuits.
• High Efficiency: Achieves a dropout voltage of 0.4V at 150mA, ensuring efficient power conversion even at low input-to-output voltage differences.
• Low Quiescent Current: Consumes only 200 µA in quiescent state, minimizing power loss and extending battery life in portable applications.
• Enable Control: Features an enable pin, allowing for dynamic power management and reducing power consumption when the regulator is not in use.
• Protection Features: Equipped with over-current and over-temperature protection mechanisms to safeguard the regulator and connected circuits from potential damage.
• Compact Design: Housed in a SOT23-5 package, suitable for surface-mount applications and ideal for space-constrained designs.
• High PSRR: Offers a power supply rejection ratio (PSRR) of 70dB at 400Hz, ensuring minimal noise and ripple on the output voltage.

PQ1U501M2ZPH Applications

The PQ1U501M2ZPH is well-suited for a variety of applications where a stable 5V supply is required. Its compact size and low quiescent current make it ideal for portable devices and battery-powered applications. The regulator's high PSRR and low dropout voltage ensure minimal noise and efficient operation, making it suitable for sensitive analog circuits and low-power microcontrollers. Specific use cases include:

• Portable Electronics: Ideal for powering handheld devices, wearables, and other battery-operated applications where size and power efficiency are critical.
• Microcontroller Power Supplies: Provides a stable power source for low-power microcontrollers and embedded systems, ensuring reliable operation.
• Analog Circuits: Suitable for powering sensitive analog circuits, such as sensors and signal conditioning modules, where low noise and ripple are essential.
• Power Management: The enable control feature allows for dynamic power management, making it suitable for applications requiring power-saving modes or sleep states.

Conclusion of PQ1U501M2ZPH

The PQ1U501M2ZPH by Sharp Microelectronics is a robust linear voltage regulator that offers a stable 5V output with a maximum current of 150mA. Its low dropout voltage, low quiescent current, and high PSRR make it an efficient and reliable choice for a variety of applications. The compact SOT23-5 package and enable control feature further enhance its versatility and suitability for space-constrained designs. Despite being marked as obsolete, the PQ1U501M2ZPH remains a valuable component for engineers seeking a reliable and efficient power solution.