ON Semiconductor
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MC3423P1G
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MC3423P1G

Product Overview

Category: Integrated Circuit
Use: Voltage Regulator
Characteristics: Low dropout, high accuracy
Package: TO-220
Essence: Regulates voltage with minimal dropout
Packaging/Quantity: Bulk packaging, 100 pieces per pack

Specifications

  • Input Voltage: 4.5V to 26V
  • Output Voltage: 1.25V to 20V
  • Dropout Voltage: 0.5V at 1A
  • Output Current: 1A
  • Line Regulation: 0.2%
  • Load Regulation: 0.4%
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. Vin (Input Voltage)
  2. Vout (Output Voltage)
  3. GND (Ground)
  4. NC (No Connection)

Functional Features

  • Low dropout voltage
  • High accuracy over line and load variations
  • Thermal shutdown and current limit protection

Advantages

  • Wide input voltage range
  • Stable output voltage
  • Thermal protection for added reliability

Disadvantages

  • Limited output current compared to some alternatives
  • Higher dropout voltage than newer models

Working Principles

The MC3423P1G is a linear voltage regulator that maintains a stable output voltage by adjusting the resistance between its input and output terminals. It achieves this by dissipating excess power as heat, resulting in a dropout voltage of 0.5V at 1A.

Detailed Application Field Plans

The MC3423P1G is commonly used in applications requiring a stable and accurate voltage supply, such as: - Battery-powered devices - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  1. LM1117
  2. L78xx series
  3. LT1086

In conclusion, the MC3423P1G is a reliable voltage regulator suitable for various applications, offering stable performance and thermal protection. While it may have limitations in terms of output current and dropout voltage, it remains a popular choice in many industries.

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10个与MC3423P1G在技术解决方案中的应用相关的常见问题及解答

  1. What is the MC3423P1G?

    • The MC3423P1G is a low dropout voltage regulator designed for use in various technical solutions.

  2. What is the input voltage range of the MC3423P1G?

    • The input voltage range of the MC3423P1G is typically 2.0V to 6.0V.

  3. What is the output voltage range of the MC3423P1G?

    • The output voltage range of the MC3423P1G is adjustable from 1.25V to 5.0V.

  4. What is the maximum output current of the MC3423P1G?

    • The maximum output current of the MC3423P1G is typically 500mA.

  5. What are the typical applications of the MC3423P1G?

    • The MC3423P1G is commonly used in battery-powered devices, portable instruments, and other low voltage systems.

  6. What are the key features of the MC3423P1G?

    • The key features of the MC3423P1G include low dropout voltage, low quiescent current, and thermal shutdown protection.

  7. How does the thermal shutdown protection work in the MC3423P1G?

    • The thermal shutdown protection in the MC3423P1G helps prevent the device from overheating by shutting down the regulator when it reaches a certain temperature.

  8. What are the recommended input and output capacitors for the MC3423P1G?

    • It is recommended to use a 1μF ceramic capacitor at the input and a 1μF ceramic or tantalum capacitor at the output of the MC3423P1G.

  9. Can the MC3423P1G be used in automotive applications?

    • Yes, the MC3423P1G is suitable for automotive applications, provided it meets the specific requirements and standards for automotive electronics.

  10. Are there any known issues or limitations with the MC3423P1G?

    • While the MC3423P1G is a reliable regulator, users should be mindful of its maximum input voltage, thermal considerations, and ensure proper PCB layout for optimal performance.