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IRU1117-18CDTR
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IRU1117-18CDTR

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: CDTR (Ceramic Dual Flat No-Lead)

Essence: The IRU1117-18CDTR is a low dropout voltage regulator IC that provides a stable output voltage for various electronic devices.

Packaging/Quantity: The IRU1117-18CDTR is typically sold in reels containing 2500 units.

Specifications

  • Input Voltage Range: 2.5V to 18V
  • Output Voltage: 1.8V
  • Dropout Voltage: 300mV at 800mA
  • Output Current: Up to 800mA
  • Quiescent Current: 120µA
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The IRU1117-18CDTR 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 it to power a wide range of devices.
  • Thermal shutdown protection prevents overheating and damage to the IC.
  • Short circuit current limit protects the IC from excessive current flow.
  • Fast transient response enables quick and stable voltage regulation.

Advantages and Disadvantages

Advantages: - Low dropout voltage improves efficiency. - High output current capability supports various applications. - Thermal shutdown protection enhances reliability. - Fast transient response ensures stable voltage regulation.

Disadvantages: - Limited output voltage options (only 1.8V). - Relatively high quiescent current compared to some other voltage regulators.

Working Principles

The IRU1117-18CDTR operates as a linear voltage regulator. It regulates the output voltage by maintaining a constant voltage drop between the input and output terminals. The internal circuitry adjusts the resistance to ensure a stable output voltage, even with varying input voltages and load conditions.

Detailed Application Field Plans

The IRU1117-18CDTR is commonly used in various electronic devices that require a stable 1.8V power supply. Some typical applications include:

  1. Microcontrollers
  2. Digital cameras
  3. Portable audio players
  4. Wireless communication devices
  5. Battery-powered devices

Detailed and Complete Alternative Models

  1. LM1117-1.8: Similar low dropout voltage regulator IC with a fixed 1.8V output voltage.
  2. LT1117-1.8: Another alternative with similar specifications and pin configuration.
  3. MCP1826S-1802E/DB: Low dropout voltage regulator IC with a fixed 1.8V output voltage and additional features.

These alternative models provide similar functionality and can be used as substitutes for the IRU1117-18CDTR in various applications.

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技術ソリューションにおける IRU1117-18CDTR 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 IRU1117-18CDTR:

  1. Q: What is the IRU1117-18CDTR? A: The IRU1117-18CDTR 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 IRU1117-18CDTR? A: The maximum input voltage for the IRU1117-18CDTR is 20V.

  3. Q: What is the maximum output current of the IRU1117-18CDTR? A: The maximum output current of the IRU1117-18CDTR is 800mA.

  4. Q: Can the IRU1117-18CDTR be used in battery-powered applications? A: Yes, the IRU1117-18CDTR can be used in battery-powered applications as it has a low dropout voltage and low quiescent current.

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

  6. Q: What is the thermal resistance of the IRU1117-18CDTR? A: The thermal resistance of the IRU1117-18CDTR is typically 50°C/W.

  7. Q: Can the IRU1117-18CDTR handle short-circuit conditions? A: Yes, the IRU1117-18CDTR has built-in protection features that allow it to handle short-circuit conditions without damage.

  8. Q: Is the IRU1117-18CDTR suitable for low-power applications? A: Yes, the IRU1117-18CDTR is suitable for low-power applications due to its low quiescent current and low dropout voltage.

  9. Q: Can the IRU1117-18CDTR be used in automotive applications? A: Yes, the IRU1117-18CDTR is designed to meet automotive requirements and can be used in automotive applications.

  10. Q: What is the package type of the IRU1117-18CDTR? A: The IRU1117-18CDTR is available in a DPAK (TO-252) package, which provides good thermal performance.

Please note that these answers are general and may vary depending on specific application requirements.