Littelfuse Inc.
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V481CA40
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V481CA40

Product Overview

  • Category: Electronic Component
  • Use: Voltage Regulator
  • Characteristics: High precision, low dropout voltage, compact size
  • Package: TO-220
  • Essence: Regulating voltage in electronic circuits
  • Packaging/Quantity: Typically sold in reels of 1000 units

Specifications

  • Input Voltage Range: 4.5V to 18V
  • Output Voltage Range: 1.25V to 16V
  • Maximum Output Current: 1A
  • Dropout Voltage: 0.5V at 1A
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  • Pin 1 (Input): Connects to the input voltage source
  • Pin 2 (Ground): Connected to the ground reference
  • Pin 3 (Output): Provides the regulated output voltage

Functional Features

  • Voltage Regulation: Maintains a stable output voltage despite variations in input voltage and load current
  • Overcurrent Protection: Safeguards the circuit by limiting the output current during fault conditions
  • Thermal Shutdown: Prevents damage due to excessive temperature by shutting down the regulator

Advantages and Disadvantages

Advantages

  • Compact size allows for easy integration into various electronic devices
  • High precision ensures accurate voltage regulation
  • Wide input voltage range accommodates diverse applications

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications
  • Dropout voltage could impact efficiency in low-voltage systems

Working Principles

The V481CA40 utilizes a feedback control mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage.

Detailed Application Field Plans

  • Consumer Electronics: Used in portable devices, such as smartphones and tablets, to regulate battery voltage
  • Automotive: Integrated into vehicle electronics to stabilize voltage for sensors and control systems
  • Industrial Control: Employed in industrial automation systems to ensure stable power supply to sensitive equipment

Detailed and Complete Alternative Models

  • LM7805: A widely used linear voltage regulator with similar specifications
  • LM317: Adjustable voltage regulator suitable for various applications
  • XC6206: Low dropout voltage regulator for battery-powered devices

This comprehensive entry provides an in-depth understanding of the V481CA40, covering its specifications, features, applications, and alternatives.

Word Count: 398

רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של V481CA40 בפתרונות טכניים

  1. What is V481CA40?

    • V481CA40 is a type of varistor, also known as a voltage-dependent resistor, which is used to protect electronic circuits from overvoltage conditions.

  2. What is the maximum voltage rating for V481CA40?

    • The maximum voltage rating for V481CA40 is 480V.

  3. What is the typical application of V481CA40?

    • V481CA40 is commonly used in surge protection devices, power supplies, and other electronic equipment to suppress transient voltage spikes.

  4. How does V481CA40 function in a technical solution?

    • V481CA40 acts as a voltage clamping device, conducting excess current when the voltage across it exceeds its threshold, thereby protecting sensitive components in the circuit.

  5. What are the key specifications of V481CA40?

    • The key specifications include its maximum voltage rating, peak current capability, response time, and energy absorption capacity.

  6. Can V481CA40 be used in automotive applications?

    • Yes, V481CA40 can be used in automotive electronics to protect against voltage surges and transients.

  7. Is V481CA40 suitable for industrial control systems?

    • Yes, V481CA40 is suitable for use in industrial control systems to safeguard against voltage fluctuations and disturbances.

  8. What are the temperature considerations for V481CA40?

    • V481CA40 has a specified operating temperature range, typically between -40°C to +85°C, ensuring its performance in various environments.

  9. Are there any reliability tests conducted on V481CA40?

    • Yes, V481CA40 undergoes reliability testing to ensure its performance under different stress conditions, such as temperature cycling, humidity, and mechanical shock.

  10. Where can I find detailed technical documentation for V481CA40?

    • Detailed technical documentation for V481CA40 can be obtained from the manufacturer's website or by contacting their technical support team.