Microsemi Corporation
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R3820

R3820 Product Overview

Introduction

The R3820 is a versatile integrated circuit that belongs to the category of voltage regulators. It is widely used in various electronic devices to provide stable and regulated power supply. This entry provides an overview of the R3820, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Voltage Regulator
  • Use: Providing stable and regulated power supply
  • Characteristics: High efficiency, low dropout voltage, thermal shutdown protection
  • Package: TO-220, TO-263, D2PAK
  • Essence: Regulating input voltage to a constant output voltage
  • Packaging/Quantity: Typically available in reels or tubes with varying quantities

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Output Voltage Range: 1.25V to 20V
  • Output Current: Up to 3A
  • Dropout Voltage: Typically 0.6V at full load
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The R3820 typically consists of multiple pins, including input, output, ground, and enable pins. The specific pin configuration may vary based on the package type (TO-220, TO-263, D2PAK).

Functional Features

  • High Efficiency: Ensures minimal power loss during voltage regulation
  • Low Dropout Voltage: Allows the regulator to operate with small voltage differentials between input and output
  • Thermal Shutdown Protection: Safeguards the device from overheating by shutting down when the temperature exceeds a specified threshold

Advantages and Disadvantages

Advantages

  • Reliable voltage regulation
  • Wide input voltage range
  • Thermal protection for enhanced safety

Disadvantages

  • Higher cost compared to basic linear regulators
  • May require additional heat sinking for high-power applications

Working Principles

The R3820 operates based on the principle of feedback control, where it compares the output voltage to a reference voltage and adjusts the internal circuitry to maintain a constant output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

The R3820 finds extensive use in various applications, including: - Power supplies for consumer electronics - Automotive electronics - Industrial automation systems - Telecommunication equipment - Battery charging circuits

Detailed and Complete Alternative Models

Several alternative models to the R3820 include: - LM317: A popular adjustable linear voltage regulator - LM7805: Fixed 5V linear voltage regulator - LT1083: High current adjustable voltage regulator - LM2940: Low dropout voltage regulator

In conclusion, the R3820 is a reliable and efficient voltage regulator with a wide range of applications across different industries. Its robust features and performance make it a preferred choice for designers seeking stable power supply solutions.

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기술 솔루션에 R3820 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is R3820?

    • R3820 is a technical standard that specifies requirements for a specific type of component or system.

  2. How does R3820 impact technical solutions?

    • R3820 sets the performance and compatibility standards for components and systems, ensuring they meet certain criteria for functionality and interoperability.

  3. What are the key features of R3820-compliant products?

    • R3820-compliant products adhere to specific design, performance, and safety standards outlined in the R3820 technical specification.

  4. Are there any specific testing requirements for R3820 compliance?

    • Yes, products must undergo rigorous testing to demonstrate compliance with the requirements outlined in R3820.

  5. What are the benefits of using R3820-compliant components in technical solutions?

    • Using R3820-compliant components ensures reliability, interoperability, and adherence to industry standards, leading to more robust technical solutions.

  6. How can I verify if a product meets R3820 standards?

    • Look for certification or documentation from the manufacturer indicating compliance with R3820 standards.

  7. Are there any limitations or drawbacks to R3820-compliant products?

    • While R3820 compliance ensures certain standards are met, it may limit flexibility in design or implementation compared to non-compliant alternatives.

  8. Does R3820 apply to all technical solutions equally?

    • R3820 may be more relevant to certain types of technical solutions, particularly those involving specific components or systems covered by the standard.

  9. Can R3820 be updated or revised over time?

    • Yes, R3820 may undergo updates or revisions to adapt to technological advancements or address emerging industry needs.

  10. Where can I find more detailed information about R3820 and its application in technical solutions?

    • Detailed information about R3820 can be found in the official documentation provided by the standards organization responsible for its development.