Littelfuse Inc.
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20LR730SU
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20LR730SU Product Overview

Introduction

The 20LR730SU is a versatile electronic component that belongs to the category of voltage regulators. This entry provides an in-depth overview of the product, 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: Regulating voltage in electronic circuits
  • Characteristics: Stable output voltage, low dropout voltage, high current capability
  • Package: Surface mount package
  • Essence: Ensuring stable and reliable power supply for electronic devices
  • Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

  • Input Voltage Range: 4.5V to 24V
  • Output Voltage Range: 1.2V to 20V
  • Maximum Output Current: 500mA
  • Dropout Voltage: 300mV at 500mA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The 20LR730SU 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

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

Advantages and Disadvantages

Advantages

  • Compact size
  • Wide input voltage range
  • Low dropout voltage

Disadvantages

  • Limited maximum output current
  • Requires external capacitors for stability

Working Principles

The 20LR730SU utilizes a feedback control mechanism to compare the output voltage with a reference voltage, adjusting the internal circuitry to maintain a constant output voltage despite fluctuations in the input voltage.

Detailed Application Field Plans

The 20LR730SU finds extensive applications in various electronic devices, including: - Battery-powered devices - Portable consumer electronics - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the 20LR730SU include: - LM317: A widely used adjustable voltage regulator - L7805: Fixed 5V voltage regulator - LM1117: Low dropout voltage regulator

In conclusion, the 20LR730SU is a crucial component in electronic circuits, providing stable voltage regulation and protection features. Its compact size and wide input voltage range make it suitable for diverse applications across different industries.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 20LR730SU v technických řešeních

  1. What is the 20LR730SU used for in technical solutions?

    • The 20LR730SU is a high-performance sensor unit commonly used for measuring temperature and humidity in various technical applications.

  2. How accurate is the 20LR730SU in temperature measurement?

    • The 20LR730SU provides highly accurate temperature measurements with an accuracy of ±0.5°C.

  3. Can the 20LR730SU be integrated with existing control systems?

    • Yes, the 20LR730SU is designed to be easily integrated with existing control systems through its standard communication interfaces.

  4. What is the operating range of the 20LR730SU?

    • The 20LR730SU has a wide operating range, making it suitable for diverse technical solutions, with a temperature range of -40°C to 85°C and a humidity range of 0% to 100%.

  5. Does the 20LR730SU require calibration?

    • The 20LR730SU comes pre-calibrated from the factory, but periodic recalibration may be necessary depending on the application and environmental conditions.

  6. Is the 20LR730SU suitable for outdoor use?

    • Yes, the 20LR730SU is designed to withstand outdoor conditions and is equipped with a robust housing for reliable performance in outdoor environments.

  7. What communication protocols does the 20LR730SU support?

    • The 20LR730SU supports commonly used communication protocols such as Modbus RTU, making it compatible with a wide range of industrial systems.

  8. Can the 20LR730SU be powered using batteries?

    • Yes, the 20LR730SU can be powered using batteries, providing flexibility in deployment for remote or mobile applications.

  9. What is the response time of the 20LR730SU in detecting changes in temperature and humidity?

    • The 20LR730SU has a fast response time, typically within a few seconds, allowing for real-time monitoring and control in technical solutions.

  10. Are there any special maintenance requirements for the 20LR730SU?

    • The 20LR730SU is designed for minimal maintenance, but regular inspection of the sensor elements and cleaning may be recommended to ensure long-term reliability.