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IRU1117-18CS
Product Overview
Category
The IRU1117-18CS belongs to the category of voltage regulators.
Use
It is primarily used to regulate and stabilize voltage levels in electronic circuits.
Characteristics
- Input Voltage Range: 2.5V to 20V
- Output Voltage: 1.8V
- Maximum Output Current: 800mA
- Dropout Voltage: 300mV
- Low Quiescent Current: 120µA
- Thermal Shutdown Protection
- Short Circuit Protection
Package
The IRU1117-18CS comes in a compact surface-mount package, making it suitable for space-constrained applications.
Essence
The essence of the IRU1117-18CS lies in its ability to provide a stable and regulated output voltage, ensuring reliable operation of electronic devices.
Packaging/Quantity
The IRU1117-18CS is typically packaged in reels or tubes, with quantities varying based on customer requirements.
Specifications
- Input Voltage Range: 2.5V to 20V
- Output Voltage: 1.8V
- Output Current: Up to 800mA
- Dropout Voltage: 300mV (typical)
- Quiescent Current: 120µA (typical)
- Operating Temperature Range: -40°C to +125°C
- Package Type: Surface Mount
- Package Dimensions: 3mm x 3mm
Detailed Pin Configuration
The IRU1117-18CS has the following pin configuration:
- VIN: Input voltage pin
- GND: Ground pin
- VOUT: Output voltage pin
Functional Features
- Voltage Regulation: The IRU1117-18CS ensures a stable output voltage of 1.8V, regardless of input voltage fluctuations.
- Thermal Shutdown Protection: In case of excessive temperature, the regulator shuts down to prevent damage.
- Short Circuit Protection: The device is equipped with short circuit protection, safeguarding against potential damage caused by overloads.
Advantages and Disadvantages
Advantages
- Wide input voltage range allows for versatile applications.
- Low quiescent current minimizes power consumption.
- Compact package size enables use in space-constrained designs.
- Thermal shutdown and short circuit protection enhance reliability.
Disadvantages
- Limited output current may not be suitable for high-power applications.
- Dropout voltage of 300mV may impact efficiency in low voltage scenarios.
Working Principles
The IRU1117-18CS operates based on the principle of linear voltage regulation. It utilizes a feedback mechanism to maintain a constant output voltage of 1.8V, regardless of variations in the input voltage. By adjusting the internal resistance, the regulator compensates for changes in load conditions, ensuring a stable power supply to connected devices.
Detailed Application Field Plans
The IRU1117-18CS finds application 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 offer similar functionality to the IRU1117-18CS include: - LM1117-1.8 - LT1117-1.8 - MCP1825S-1802E/DB
These alternatives provide comparable voltage regulation capabilities and can be considered as substitutes based on specific design requirements.
In conclusion, the IRU1117-18CS is a voltage regulator that offers stable and reliable voltage regulation for a wide range of electronic applications. Its compact size, low quiescent current, and built-in protection features make it a popular choice among designers. However, its limited output current and dropout voltage should be considered when selecting the appropriate regulator for high-power or low voltage scenarios.
Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de IRU1117-18CS en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of IRU1117-18CS in technical solutions:
Q: What is the IRU1117-18CS? A: The IRU1117-18CS is a low dropout (LDO) voltage regulator IC that provides a fixed output voltage of 1.8V.
Q: What is the maximum input voltage for the IRU1117-18CS? A: The maximum input voltage for the IRU1117-18CS is typically 20V, but it can handle up to 24V in certain conditions.
Q: What is the maximum output current of the IRU1117-18CS? A: The maximum output current of the IRU1117-18CS is 800mA.
Q: Can the IRU1117-18CS be used in battery-powered applications? A: Yes, the IRU1117-18CS can be used in battery-powered applications as it has a low dropout voltage and low quiescent current.
Q: Does the IRU1117-18CS require any external components for operation? A: Yes, the IRU1117-18CS requires an input capacitor and an output capacitor for stability and proper operation.
Q: Is the IRU1117-18CS suitable for use in automotive applications? A: Yes, the IRU1117-18CS is designed to meet automotive specifications and can be used in automotive applications.
Q: Can the IRU1117-18CS handle short-circuit conditions? A: Yes, the IRU1117-18CS has built-in protection features like thermal shutdown and current limit to handle short-circuit conditions.
Q: What is the typical dropout voltage of the IRU1117-18CS? A: The typical dropout voltage of the IRU1117-18CS is around 0.6V at a 1A load current.
Q: Can the IRU1117-18CS be used in adjustable voltage applications? A: No, the IRU1117-18CS provides a fixed output voltage of 1.8V and cannot be adjusted.
Q: Is the IRU1117-18CS available in different package options? A: Yes, the IRU1117-18CS is available in different package options like TO-252 and DPAK for ease of integration into various designs.
Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.