Microsemi Corporation
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R38120

R38120 Product Overview

Introduction

The R38120 is a versatile electronic component that belongs to the category of voltage regulators. It is widely used in various electronic devices and systems to ensure stable and regulated power supply.

Basic Information Overview

  • Category: Voltage Regulator
  • Use: To regulate and stabilize voltage in electronic circuits
  • Characteristics: High precision, low dropout voltage, thermal shutdown protection
  • Package: TO-220, TO-263, SOT-223
  • Essence: Regulating voltage to ensure stable operation of electronic components
  • Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

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

Detailed Pin Configuration

The R38120 typically features 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

  • High Precision: Provides accurate and stable output voltage regulation
  • Low Dropout Voltage: Ensures efficient operation even with small voltage differentials
  • Thermal Shutdown Protection: Safeguards the regulator from overheating

Advantages and Disadvantages

Advantages

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

Disadvantages

  • Higher dropout voltage compared to some alternative models
  • Limited maximum output current

Working Principles

The R38120 operates based on the principle of feedback control, where it continuously compares the actual output voltage with the desired reference voltage and adjusts the internal circuitry to maintain the desired output voltage.

Detailed Application Field Plans

The R38120 finds extensive applications in various electronic systems, including: - Power supplies for consumer electronics - Automotive electronics - Industrial control systems - Telecommunication equipment - Battery charging circuits

Detailed and Complete Alternative Models

Some alternative models to R38120 include: - LM317: A popular adjustable voltage regulator - LM7805: Fixed 5V voltage regulator - LT1083: High current adjustable voltage regulator

In conclusion, the R38120 voltage regulator offers precise and reliable voltage regulation for a wide range of electronic applications, despite its limitations in maximum output current and dropout voltage. Its versatility and performance make it a preferred choice in many electronic designs.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací R38120 v technických řešeních

  1. What is R38120?

    • R38120 is a high-strength titanium alloy commonly used in aerospace and marine applications due to its excellent strength-to-weight ratio.

  2. What are the key properties of R38120?

    • R38120 exhibits high tensile strength, corrosion resistance, and good weldability, making it suitable for demanding technical solutions.

  3. In what technical applications is R38120 commonly used?

    • R38120 is frequently employed in aircraft components, gas turbine engines, marine propeller shafts, and other structural parts requiring high strength and corrosion resistance.

  4. How does R38120 compare to other titanium alloys?

    • Compared to other titanium alloys, R38120 offers superior strength and toughness, making it ideal for applications subject to high stress and harsh environments.

  5. What are the machining considerations for R38120?

    • Machining R38120 requires appropriate tooling and cutting parameters due to its high strength and low thermal conductivity. Proper cooling and lubrication are essential for achieving good results.

  6. Can R38120 be welded?

    • Yes, R38120 can be welded using techniques such as gas tungsten arc welding (GTAW) or electron beam welding, with proper attention to shielding gas and post-weld heat treatment.

  7. What are the limitations of using R38120 in technical solutions?

    • While R38120 offers exceptional properties, it may be cost-prohibitive for some applications due to its higher material and processing costs compared to other materials.

  8. How does R38120 perform in high-temperature environments?

    • R38120 maintains its strength and corrosion resistance at elevated temperatures, making it suitable for applications exposed to high heat, such as gas turbine components.

  9. Are there any specific corrosion considerations for R38120?

    • R38120 exhibits excellent resistance to corrosion in various environments, including seawater, acidic solutions, and oxidizing atmospheres, making it well-suited for marine and aerospace applications.

  10. What are the standard forms and sizes available for R38120?

    • R38120 is typically available in the form of bars, plates, sheets, and forgings, with standard sizes conforming to industry specifications such as ASTM or AMS. Custom sizes can also be obtained through specialized suppliers.