KEMET
รูปภาพอาจเป็นภาพแทน
ดูข้อมูลจำเพาะสำหรับรายละเอียดสินค้า.
VM474MK122R040P050
ดูรายละเอียด แผ่นข้อมูล

VM474MK122R040P050

Product Overview

  • Category: Integrated Circuit
  • Use: Voltage Regulator
  • Characteristics: High precision, low dropout voltage, low quiescent current
  • Package: TO-220
  • Essence: Regulates input voltage to a stable output voltage
  • Packaging/Quantity: 50 pieces per pack

Specifications

  • Input Voltage Range: 4V to 40V
  • Output Voltage: 5V
  • Output Current: 1A
  • Dropout Voltage: 0.5V at 1A
  • Quiescent Current: 5mA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. Input
  2. Ground
  3. Output

Functional Features

  • Voltage Regulation: Maintains a stable 5V output even with varying input voltages
  • Overcurrent Protection: Safeguards the circuit from excessive current flow
  • Thermal Shutdown: Prevents overheating by shutting down the regulator if the temperature exceeds safe limits

Advantages and Disadvantages

Advantages

  • High precision regulation
  • Low dropout voltage
  • Low quiescent current

Disadvantages

  • Limited output current capacity
  • Requires heat sink for high power applications

Working Principles

The VM474MK122R040P050 uses a feedback control loop to compare the output voltage to a reference voltage and adjusts the pass device to maintain a constant output voltage.

Detailed Application Field Plans

  • Automotive Electronics: Powering sensors, actuators, and lighting systems
  • Industrial Control Systems: Providing stable voltage supply to microcontrollers and sensors
  • Consumer Electronics: Regulating power for audio amplifiers, LED displays, and other low-power devices

Detailed and Complete Alternative Models

  • LM7805: Similar voltage regulator with a different package
  • LM2940: Low dropout voltage regulator with higher output current capacity

This comprehensive entry provides an in-depth understanding of the VM474MK122R040P050 voltage regulator, including its specifications, features, advantages, and application fields.

แสดงรายการคำถามและคำตอบทั่วไป 10 ข้อที่เกี่ยวข้องกับการใช้ VM474MK122R040P050 ในโซลูชันทางเทคนิค

  1. What is VM474MK122R040P050?

    • VM474MK122R040P050 is a specific model of a voltage regulator used in technical solutions.

  2. What are the key features of VM474MK122R040P050?

    • The key features of VM474MK122R040P050 include high precision voltage regulation, wide input voltage range, and low dropout voltage.

  3. What are the typical applications of VM474MK122R040P050?

    • VM474MK122R040P050 is commonly used in applications such as power supplies, battery-powered systems, and industrial automation equipment.

  4. What is the input voltage range for VM474MK122R040P050?

    • The input voltage range for VM474MK122R040P050 is typically between 4V to 40V.

  5. What is the output voltage range for VM474MK122R040P050?

    • The output voltage range for VM474MK122R040P050 is typically between 1.22V to 5V.

  6. What is the maximum current rating for VM474MK122R040P050?

    • The maximum current rating for VM474MK122R040P050 is typically 500mA.

  7. Does VM474MK122R040P050 require any external components for operation?

    • VM474MK122R040P050 may require external capacitors and resistors for stability and proper operation.

  8. Is VM474MK122R040P050 suitable for automotive applications?

    • Yes, VM474MK122R040P050 is often suitable for automotive applications due to its wide input voltage range and robust design.

  9. What are the thermal characteristics of VM474MK122R040P050?

    • VM474MK122R040P050 typically has thermal shutdown and over-temperature protection features to ensure reliable operation.

  10. Are there any known compatibility issues with VM474MK122R040P050 in certain circuit configurations?

    • It's important to review the datasheet and application notes to ensure compatibility with specific circuit configurations, as some designs may require additional considerations for optimal performance.