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PQ3RF33J000H

PQ3RF33J000H Description

The PQ3RF33J000H is a linear regulator IC designed for power management applications, manufactured by Sharp Microelectronics. This device offers a fixed output voltage of 3.3V and can deliver a maximum output current of 3.5A. It is housed in a TO220-4 package, making it suitable for through-hole mounting. The regulator is designed to operate with a maximum input voltage of 10V and features a low dropout voltage of 0.5V at 3A, ensuring efficient power conversion even at high current loads. The PQ3RF33J000H also includes an enable control feature and protection mechanisms against overcurrent and overtemperature conditions. Despite its obsolescence, this regulator remains a reliable choice for applications requiring stable power supply with minimal noise and high efficiency.

PQ3RF33J000H Features

• Fixed Output Voltage: Provides a stable 3.3V output, ideal for applications requiring a consistent power supply.
• High Output Current: Capable of delivering up to 3.5A, making it suitable for high-power applications.
• Low Dropout Voltage: With a maximum dropout voltage of 0.5V at 3A, it ensures efficient power conversion even under heavy load conditions.
• Enable Control Feature: Allows for dynamic control of the regulator's operation, enhancing flexibility in power management.
• Protection Features: Equipped with overcurrent and overtemperature protection, ensuring robustness and reliability in various operating conditions.
• Low Quiescent Current: Consumes only 10 mA in quiescent state, minimizing power loss.
• High PSRR: Offers a power supply rejection ratio of 55dB at 120Hz, ensuring minimal noise in the output voltage.
• Through-Hole Mounting: The TO220-4 package is designed for through-hole mounting, facilitating easy integration into PCB designs.
• Moisture Sensitivity Level: MSL 1 (Unlimited), indicating high resistance to moisture, suitable for a wide range of environmental conditions.

PQ3RF33J000H Applications

The PQ3RF33J000H is well-suited for a variety of applications where a stable and efficient power supply is critical. Its high output current and low dropout voltage make it ideal for:

• Embedded Systems: Providing a reliable power source for microcontrollers, sensors, and other low-voltage components.
• Industrial Equipment: Ensuring stable power supply for control systems, automation devices, and instrumentation.
• Telecommunications: Powering communication modules, base stations, and networking equipment.
• Consumer Electronics: Suitable for appliances and devices requiring a stable 3.3V supply.
• Automotive Applications: Reliable power supply for electronic control units and infotainment systems.

Conclusion of PQ3RF33J000H

The PQ3RF33J000H from Sharp Microelectronics is a robust linear regulator designed to deliver stable power with high efficiency. Its fixed 3.3V output and ability to handle up to 3.5A make it a versatile choice for a wide range of applications. The low dropout voltage and high PSRR ensure minimal power loss and noise, enhancing overall system performance. Despite being marked as obsolete, the PQ3RF33J000H remains a reliable option for power management, offering a balance of performance and reliability. Its through-hole mounting and comprehensive protection features further enhance its suitability for various industrial and consumer applications.