ON Semiconductor
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PN4355
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PN4355: Product Overview and Specifications

Introduction

PN4355 is a versatile electronic component that belongs to the category of integrated circuits. This semiconductor device is widely used in various electronic applications due to its unique characteristics and functional features.

Basic Information Overview

  • Category: Integrated Circuit
  • Use: PN4355 is commonly used as a voltage regulator in electronic circuits.
  • Characteristics: It exhibits stable voltage regulation, low dropout voltage, and thermal shutdown protection.
  • Package: The PN4355 is typically available in a TO-220 package.
  • Essence: Its essence lies in providing reliable voltage regulation for electronic devices.
  • Packaging/Quantity: It is usually sold in reels or tubes containing multiple units.

Specifications

  • Input Voltage Range: 4.5V to 25V
  • Output Voltage Range: 1.25V to 20V
  • Output Current Capacity: Up to 1.5A
  • Dropout Voltage: Typically 0.5V at full load
  • Operating Temperature Range: -40°C to 125°C
  • Quiescent Current: Typically 5mA

Detailed Pin Configuration

The PN4355 typically consists of three pins: 1. Input (VIN): Connects to the input voltage source. 2. Ground (GND): Connected to the ground reference. 3. Output (VOUT): Provides the regulated output voltage.

Functional Features

  • Voltage Regulation: Maintains a stable output voltage despite variations in the input voltage.
  • Thermal Shutdown Protection: Protects the IC from overheating by shutting down when the temperature exceeds a safe limit.
  • Low Dropout Voltage: Ensures efficient operation even when the input voltage is close to the output voltage.

Advantages and Disadvantages

Advantages

  • Reliable voltage regulation
  • Thermal protection enhances safety
  • Low dropout voltage improves efficiency

Disadvantages

  • Limited output current capacity compared to higher-rated regulators
  • Higher quiescent current compared to some low-power alternatives

Working Principles

The PN4355 operates based on the principles of feedback control, where it compares the actual output voltage to a reference voltage and adjusts the internal circuitry to maintain a constant output voltage.

Detailed Application Field Plans

PN4355 finds extensive use in various electronic applications, including: - Power supplies for consumer electronics - Battery charging circuits - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to PN4355 include: - LM317: A popular adjustable voltage regulator with similar characteristics - L78xx Series: Fixed voltage regulators available in various output voltage options - LT1083: High-current adjustable voltage regulator suitable for power-hungry applications

In conclusion, PN4355 serves as a reliable voltage regulator with specific specifications and functional features, making it an essential component in numerous electronic designs.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací PN4355 v technických řešeních

  1. What is PN4355?

    • PN4355 is a high-performance, low-dropout voltage regulator designed for applications requiring very low input-to-output voltage differentials.

  2. What is the maximum input voltage for PN4355?

    • The maximum input voltage for PN4355 is typically around 6V, making it suitable for various low-voltage applications.

  3. What is the output current capability of PN4355?

    • PN4355 can typically provide an output current of up to 1A, making it suitable for powering a wide range of electronic devices and circuits.

  4. What are the key features of PN4355?

    • Some key features of PN4355 include low dropout voltage, low quiescent current, thermal shutdown protection, and short-circuit current limiting.

  5. Can PN4355 be used in battery-powered applications?

    • Yes, PN4355 is well-suited for battery-powered applications due to its low dropout voltage and low quiescent current, which helps maximize battery life.

  6. What type of capacitors are recommended for use with PN4355?

    • It is recommended to use low-ESR (Equivalent Series Resistance) ceramic capacitors with PN4355 for stability and performance.

  7. Is PN4355 suitable for automotive applications?

    • Yes, PN4355 is often used in automotive applications due to its robust design and ability to operate in harsh environments.

  8. What is the typical dropout voltage of PN4355?

    • The typical dropout voltage of PN4355 is around 300mV at full load, ensuring efficient regulation even when the input voltage is close to the output voltage.

  9. Does PN4355 have built-in overcurrent protection?

    • Yes, PN4355 includes short-circuit current limiting to protect the regulator and the load from excessive current.

  10. Can PN4355 be used in industrial control systems?

    • Yes, PN4355 is suitable for use in industrial control systems due to its reliability and ability to handle varying input voltages and loads.