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PQ1U401M2ZPH

PQ1U401M2ZPH Description

The PQ1U401M2ZPH is a linear voltage regulator designed by Sharp Microelectronics, offering a fixed output voltage of 4V 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 low quiescent current of 200 µA and a high power supply rejection ratio (PSRR) of 70dB at 400Hz, ensuring stable performance even under varying input conditions. The regulator has a maximum input voltage of 16V and a dropout voltage of 0.4V at 150mA, allowing it to maintain regulation over a wide input range.

PQ1U401M2ZPH Features

-Low Quiescent Current: The PQ1U401M2ZPH operates with a quiescent current of only 200 µA, making it highly efficient and suitable for low-power applications.

• High PSRR: With a power supply rejection ratio of 70dB at 400Hz, the regulator effectively filters out noise from the input power supply, ensuring clean and stable output voltage.
• Fixed Output Voltage: The regulator provides a fixed output voltage of 4V, simplifying design and ensuring consistent performance.
• Enable Control Feature: The enable feature allows for dynamic control of the regulator's operation, enabling power savings and flexible system management.
• Protection Features: Over-current and over-temperature protection ensure reliable operation and protect the regulator from damage under abnormal conditions.
• Compact Package: The SOT23-5 package is ideal for surface-mount applications, providing a small footprint and high thermal performance.
• Wide Input Voltage Range The: regulator can operate with input voltages up to 16V, offering flexibility in various power supply configurations.
• Low Dropout Voltage: With a maximum dropout voltage of 0.4V at 150mA, the regulator maintains efficiency even at low input-to-output voltage differentials.

PQ1U401M2ZPH Applications

The PQ1U401M2ZPH is well-suited for a variety of applications requiring a stable and efficient power supply. Its low quiescent current and high PSRR make it ideal for battery-powered devices and low-power systems where energy efficiency is critical. The regulator's fixed output voltage and compact package size are particularly beneficial for consumer electronics, portable devices, and embedded systems. Additionally, its over-current and over-temperature protection features ensure robustness and reliability in demanding environments.

Conclusion of PQ1U401M2ZPH

The PQ1U401M2ZPH from Sharp Microelectronics is a high-performance linear voltage regulator that offers a unique combination of low quiescent current, high PSRR, and robust protection features. Its fixed 4V output and compact SOT23-5 package make it an excellent choice for a wide range of applications, particularly those requiring efficient power management and stable voltage regulation. While the product is now obsolete, it remains a testament to Sharp Microelectronics' commitment to delivering reliable and efficient power solutions. For new designs, engineers may consider exploring alternative models similar with or enhanced features to meet their specific requirements.