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IRU1117-18CD
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IRU1117-18CD

Product Overview

Category

The IRU1117-18CD belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

  • Low dropout voltage
  • High output current capability
  • Thermal shutdown protection
  • Short circuit current limit
  • Fast transient response

Package

The IRU1117-18CD comes in a compact surface-mount package.

Essence

The essence of the IRU1117-18CD is its ability to provide stable and regulated voltage output.

Packaging/Quantity

The product is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

  • Input Voltage Range: 2.5V - 18V
  • Output Voltage: 1.8V
  • Output Current: Up to 800mA
  • Dropout Voltage: 0.6V (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The IRU1117-18CD has the following pin configuration:

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. VOUT (Output Voltage)

Functional Features

  • Low dropout voltage ensures efficient power conversion.
  • High output current capability allows for powering a wide range of devices.
  • Thermal shutdown protection prevents overheating and damage to the regulator.
  • Short circuit current limit protects the circuit from excessive current flow.
  • Fast transient response enables quick adjustment to load changes.

Advantages and Disadvantages

Advantages

  • Compact size and surface-mount package make it suitable for space-constrained applications.
  • Wide input voltage range allows for flexibility in various electronic systems.
  • Excellent thermal management ensures reliable performance even in demanding conditions.

Disadvantages

  • Limited output current compared to some other voltage regulators.
  • Higher dropout voltage compared to certain low-power regulators.

Working Principles

The IRU1117-18CD operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the current flow through it. The regulator compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The IRU1117-18CD finds applications in various electronic systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics - Telecommunications equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the IRU1117-18CD are: - LM1117-1.8 - LT1117-1.8 - MCP1702-1802

These models offer similar functionality and characteristics, providing options for different design requirements.

In conclusion, the IRU1117-18CD is a voltage regulator that offers stable and regulated voltage output. With its low dropout voltage, high output current capability, and thermal protection, it is suitable for a wide range of applications. While it may have some limitations in terms of output current and dropout voltage, there are alternative models available to meet specific design needs.

技術ソリューションにおける IRU1117-18CD 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 IRU1117-18CD in technical solutions:

  1. Q: What is the IRU1117-18CD? A: The IRU1117-18CD is a low dropout (LDO) voltage regulator IC that provides a fixed output voltage of 1.8V.

  2. Q: What is the maximum input voltage for the IRU1117-18CD? A: The maximum input voltage for the IRU1117-18CD is typically 20V, but it can handle up to 24V in certain conditions.

  3. Q: What is the dropout voltage of the IRU1117-18CD? A: The dropout voltage of the IRU1117-18CD is typically around 0.6V at a load current of 800mA.

  4. Q: Can the IRU1117-18CD handle high currents? A: Yes, the IRU1117-18CD has a maximum output current rating of 800mA, making it suitable for many low-power applications.

  5. Q: Does the IRU1117-18CD require any external components for operation? A: Yes, the IRU1117-18CD requires an input capacitor and an output capacitor for stability and proper operation.

  6. Q: What is the typical quiescent current of the IRU1117-18CD? A: The typical quiescent current of the IRU1117-18CD is around 100µA, which helps minimize power consumption.

  7. Q: Can the IRU1117-18CD operate in a wide temperature range? A: Yes, the IRU1117-18CD is designed to operate in a temperature range of -40°C to +125°C, making it suitable for various environments.

  8. Q: Is the IRU1117-18CD protected against overcurrent and thermal shutdown? A: Yes, the IRU1117-18CD has built-in protection features such as current limit and thermal shutdown to prevent damage under fault conditions.

  9. Q: Can the IRU1117-18CD be used in battery-powered applications? A: Yes, the low quiescent current and low dropout voltage of the IRU1117-18CD make it suitable for battery-powered devices.

  10. Q: What package options are available for the IRU1117-18CD? A: The IRU1117-18CD is available in a compact SOT-223 package, which is commonly used in many electronic designs.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.