IDT, Integrated Device Technology Inc
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
477R-05ILF
詳細を表示 DataSheets

477R-05ILF

Product Overview

Category: Electronic Component
Use: Voltage Regulator
Characteristics: High Efficiency, Low Dropout, Low Noise
Package: TO-220
Essence: Linear Regulator
Packaging/Quantity: Tape and Reel, 1000 pieces per reel

Specifications

  • Input Voltage Range: 4.5V to 18V
  • Output Voltage Range: 1.25V to 16V
  • Maximum Output Current: 500mA
  • Dropout Voltage: 0.45V (typical)
  • Line Regulation: ±0.2% (typical)
  • Load Regulation: ±0.4% (typical)
  • Quiescent Current: 5mA (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The 477R-05ILF voltage regulator has three pins:

  1. Input (VIN): This pin is used to connect the input voltage source.
  2. Output (VOUT): This pin provides the regulated output voltage.
  3. Ground (GND): This pin is connected to the ground reference.

Functional Features

  • High efficiency with low dropout voltage.
  • Provides a stable output voltage even with varying input voltages.
  • Low noise output for sensitive applications.
  • Overcurrent and thermal protection for enhanced reliability.
  • Short-circuit protection to prevent damage to the regulator.

Advantages and Disadvantages

Advantages: - High efficiency ensures minimal power dissipation. - Wide input voltage range allows for versatile applications. - Low dropout voltage enables operation with low input voltages. - Excellent line and load regulation for precise voltage control. - Compact TO-220 package facilitates easy integration.

Disadvantages: - Limited maximum output current of 500mA. - Requires external capacitors for stability.

Working Principles

The 477R-05ILF is a linear voltage regulator that operates by using a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage. The dropout voltage is minimized by utilizing a low resistance pass element.

Detailed Application Field Plans

The 477R-05ILF voltage regulator finds applications in various electronic devices, including:

  1. Power Supplies: It can be used in power supply circuits to provide a regulated voltage to other components.
  2. Battery-Powered Devices: Due to its low dropout voltage, it is suitable for battery-powered devices where efficient power utilization is crucial.
  3. Audio Amplifiers: The low noise output makes it ideal for audio amplifier circuits, ensuring high-quality sound reproduction.
  4. Embedded Systems: It can be employed in embedded systems to regulate voltages for microcontrollers, sensors, and other components.

Detailed and Complete Alternative Models

Some alternative models to the 477R-05ILF voltage regulator include:

  1. LM317: A popular adjustable linear voltage regulator with similar characteristics.
  2. LT1085: A high-current linear voltage regulator with adjustable output voltage.
  3. LM7805: A fixed 5V linear voltage regulator commonly used in many applications.
  4. LDO50V: A low dropout voltage regulator capable of handling higher input voltages.

These alternative models offer different specifications and features, allowing users to choose the most suitable option for their specific requirements.

Word count: 452 words

技術ソリューションにおける 477R-05ILF の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of 477R-05ILF in technical solutions:

  1. Q: What is 477R-05ILF? A: 477R-05ILF is a technical specification that provides guidelines for the design and installation of low-voltage lighting systems.

  2. Q: What does 477R-05ILF cover? A: It covers various aspects such as wiring methods, grounding, overcurrent protection, and equipment requirements for low-voltage lighting systems.

  3. Q: When should I use 477R-05ILF? A: You should use it when designing or installing low-voltage lighting systems to ensure compliance with industry standards and best practices.

  4. Q: Are there any specific wiring methods recommended by 477R-05ILF? A: Yes, it recommends using approved wiring methods such as Class 2 wiring, which is commonly used for low-voltage lighting systems.

  5. Q: Does 477R-05ILF provide guidelines for grounding low-voltage lighting systems? A: Yes, it provides guidelines for grounding methods to ensure safety and proper functioning of the system.

  6. Q: What are the requirements for overcurrent protection in low-voltage lighting systems according to 477R-05ILF? A: It specifies the appropriate overcurrent protection devices and their ratings based on the specific requirements of the system.

  7. Q: Can I use any type of equipment for low-voltage lighting systems? A: No, 477R-05ILF outlines the requirements for equipment used in low-voltage lighting systems, including transformers, luminaires, and control devices.

  8. Q: Is 477R-05ILF a mandatory standard? A: It depends on local regulations and codes. In some jurisdictions, compliance with 477R-05ILF may be required by law or enforced by building inspectors.

  9. Q: How can I ensure compliance with 477R-05ILF? A: You can ensure compliance by following the guidelines and recommendations provided in the specification and working with qualified professionals familiar with its requirements.

  10. Q: Are there any updates or revisions to 477R-05ILF? A: It's always recommended to check for any updates or revisions to the specification as industry standards may evolve over time. Consulting the latest version is crucial for accurate implementation.

Please note that the answers provided here are general and should not replace a thorough understanding of the specific requirements outlined in 477R-05ILF.