Sharp Microelectronics
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PQ1R42
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PQ1R42

Product Overview

  • Category: Integrated Circuit
  • Use: Voltage Regulator
  • Characteristics: Low Dropout, High Current Output
  • Package: TO-220
  • Essence: Linear Regulator
  • Packaging/Quantity: Tape and Reel, 1000 units per reel

Specifications

  • Input Voltage Range: 2.5V to 6.0V
  • Output Voltage Range: 1.2V to 5.0V
  • Output Current: Up to 3A
  • Dropout Voltage: 200mV (typical)
  • Line Regulation: ±0.05% (typical)
  • Load Regulation: ±0.1% (typical)
  • Quiescent Current: 80μA (typical)

Detailed Pin Configuration

The PQ1R42 voltage regulator has the following pin configuration:

  1. VIN: Input Voltage
  2. GND: Ground
  3. VOUT: Output Voltage

Functional Features

  • Low dropout voltage allows for efficient regulation even with small input-output voltage differentials.
  • High current output capability enables the device to handle demanding loads.
  • Excellent line and load regulation ensures stable output voltage under varying conditions.
  • Low quiescent current minimizes power consumption in standby or idle modes.
  • Overcurrent protection safeguards the regulator and connected circuitry.

Advantages

  • Wide input voltage range provides flexibility in various applications.
  • Compact TO-220 package allows for easy integration into existing designs.
  • High output current capability suits power-hungry devices.
  • Low dropout voltage ensures efficient power conversion.
  • Good line and load regulation guarantees stable output voltage.

Disadvantages

  • Higher quiescent current compared to some other voltage regulators.
  • Limited output voltage range may not be suitable for all applications.
  • TO-220 package may require additional heat sinking for high-power applications.

Working Principles

The PQ1R42 is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage, adjusting the pass transistor's resistance to maintain a stable output voltage. The dropout voltage is minimized by using a low-resistance pass transistor.

Detailed Application Field Plans

The PQ1R42 is commonly used in various electronic devices and systems, including:

  1. Mobile phones
  2. Tablets
  3. Portable media players
  4. Digital cameras
  5. Wireless communication devices
  6. Battery-powered devices
  7. Automotive electronics
  8. Industrial equipment

Detailed and Complete Alternative Models

  1. PQ1R43: Similar specifications but with adjustable output voltage.
  2. PQ1R44: Higher output current capability (up to 5A) with similar characteristics.
  3. PQ1R45: Lower dropout voltage (100mV) for more demanding applications.
  4. PQ1R46: Dual output voltage regulator for specialized applications.

These alternative models offer different features and capabilities to suit specific requirements.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af PQ1R42 i tekniske løsninger

  1. What is PQ1R42?
    PQ1R42 is a specific technical standard used in the development of electronic components.

  2. How does PQ1R42 impact technical solutions?
    PQ1R42 sets guidelines for the design and performance of electronic components, ensuring compatibility and reliability in technical solutions.

  3. Are there alternative standards to PQ1R42?
    Yes, there are other industry-specific standards that may be used in place of PQ1R42, depending on the application and requirements.

  4. Can PQ1R42 be applied to different types of electronic components?
    Yes, PQ1R42 can be applied to various electronic components such as integrated circuits, transistors, and diodes.

  5. Does compliance with PQ1R42 guarantee product quality?
    Compliance with PQ1R42 is a strong indicator of product quality, as it ensures adherence to established technical specifications.

  6. How often is PQ1R42 updated?
    PQ1R42 is periodically reviewed and updated to incorporate advancements in technology and address emerging industry needs.

  7. Is PQ1R42 recognized internationally?
    Yes, PQ1R42 is recognized and utilized globally as a benchmark for electronic component standards.

  8. Are there specific testing procedures associated with PQ1R42?
    Yes, PQ1R42 outlines testing procedures to validate the performance and reliability of electronic components.

  9. Can PQ1R42 certification be obtained for products?
    Yes, manufacturers can obtain PQ1R42 certification for their products to demonstrate compliance with the standard.

  10. Where can I find more information about PQ1R42?
    Detailed information about PQ1R42 can be found through industry publications, technical forums, and official standardization organizations.