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PQ1U311M2ZPH

PQ1U311M2ZPH Description

The PQ1U311M2ZPH is a linear regulator IC designed by Sharp Microelectronics, offering a fixed output voltage of 3.1V and a maximum output current of 150mA. This device 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 under varying input conditions. The regulator supports an input voltage range up to 16V and has a dropout voltage of 0.4V at 150mA, making it efficient even at low input-to-output voltage differentials. Additionally, it includes control features such as an enable pin and protection features like over-current and over-temperature protection, enhancing its reliability and versatility.

PQ1U311M2ZPH Features

• Fixed Output Voltage: 3.1V, providing a stable power supply for various electronic circuits.
• High Output Current: Capable of delivering up to 150mA, suitable for driving multiple low-power devices.
• Low Quiescent Current: 200 µA, minimizing power consumption in standby mode.
• High PSRR: 70dB at 400Hz, ensuring excellent noise rejection and stable output voltage.
• Wide Input Voltage Range: Supports input voltages up to 16V, offering flexibility in power source selection.
• Low Dropout Voltage: 0.4V at 150mA, enhancing efficiency and performance in low-voltage applications.
• Control Features: Includes an enable pin for easy control and power management.
• Protection Features: Over-current and over-temperature protection ensure robustness and reliability.
• Compact Packaging: SOT23-5 package, ideal for space-constrained designs.
• Surface Mount: Suitable for automated assembly processes, reducing manufacturing costs.
• Moisture Sensitivity Level: MSL 1 (Unlimited), indicating high resistance to moisture and environmental conditions.

PQ1U311M2ZPH Applications

The PQ1U311M2ZPH is well-suited for a variety of applications where a stable and efficient power supply is required. Its compact size and low dropout voltage make it ideal for portable and battery-powered devices, such as:

• Consumer Electronics: Smartphones, tablets, and wearable devices.
• Industrial Equipment: Sensors, controllers, and embedded systems.
• Medical Devices: Portable diagnostic tools and wearable health monitors.
• Automotive Electronics: In-car electronics and infotainment systems.
• Communication Devices: Modems, routers, and IoT devices.

Conclusion of PQ1U311M2ZPH

The PQ1U311M2ZPH from Sharp Microelectronics is a versatile and efficient linear regulator IC, offering a fixed 3.1V output and a maximum output current of 150mA. Its low quiescent current, high PSRR, and low dropout voltage make it an excellent choice for applications requiring stable power supply and minimal power consumption. The inclusion of control and protection features further enhances its reliability and usability. Despite being marked as obsolete, the PQ1U311M2ZPH remains a valuable component for designers seeking a compact, efficient, and reliable power management solution.