Viz Specifikace pro podrobnosti o produktu.
IRU1117CDTR
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: DFN (Dual Flat No-Lead) package
Essence: The IRU1117CDTR is a voltage regulator IC that provides a stable output voltage for various electronic devices.
Packaging/Quantity: The IRU1117CDTR is typically sold in reels, with 2500 units per reel.
Specifications
- Input Voltage Range: 2.5V to 18V
- Output Voltage Range: 1.2V to 16V
- Dropout Voltage: 1.2V (typical)
- Output Current: Up to 800mA
- Quiescent Current: 120µA (typical)
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The IRU1117CDTR has the following pin configuration:
- VIN: Input voltage pin
- GND: Ground pin
- VOUT: Output voltage pin
Functional Features
- Low Dropout Voltage: The IRU1117CDTR has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
- High Output Current Capability: With an output current capability of up to 800mA, the IRU1117CDTR can power a wide range of electronic devices.
- Thermal Shutdown Protection: The IC includes thermal shutdown protection, which prevents overheating and damage to the device.
- Short Circuit Current Limit: The IRU1117CDTR has a built-in short circuit current limit feature that protects the device from excessive current flow during a short circuit condition.
- Fast Transient Response: The voltage regulator provides a fast transient response, ensuring stability and accuracy in the output voltage during sudden load changes.
Advantages and Disadvantages
Advantages: - Low dropout voltage ensures efficient regulation - High output current capability for powering various devices - Thermal shutdown protection prevents overheating - Short circuit current limit protects against excessive current flow - Fast transient response ensures stability during load changes
Disadvantages: - Limited output current compared to higher-rated voltage regulators - Requires external components for proper operation
Working Principles
The IRU1117CDTR is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage from the output, adjusting the pass transistor to maintain a stable output voltage. The device also includes internal circuitry for thermal shutdown protection and short circuit current limiting.
Detailed Application Field Plans
The IRU1117CDTR can be used in various applications, including: 1. Powering microcontrollers and other digital ICs in electronic devices 2. Voltage regulation in battery-powered systems 3. Automotive electronics 4. Industrial control systems 5. Portable consumer electronics
Detailed and Complete Alternative Models
Some alternative models to the IRU1117CDTR include: - LM1117: A popular voltage regulator IC with similar specifications and features. - LT1117: Another voltage regulator IC known for its low dropout voltage and high output current capability. - ADP3339: A precision voltage regulator IC suitable for demanding applications.
These alternative models offer similar functionality and can be considered as replacements for the IRU1117CDTR depending on specific requirements.
Word count: 430 words
Seznam 10 běžných otázek a odpovědí souvisejících s aplikací IRU1117CDTR v technických řešeních
Sure! Here are 10 common questions and answers related to the application of IRU1117CDTR in technical solutions:
Q: What is the IRU1117CDTR? A: The IRU1117CDTR is a low dropout (LDO) voltage regulator IC commonly used in electronic circuits to provide a stable output voltage.
Q: What is the input voltage range supported by the IRU1117CDTR? A: The IRU1117CDTR supports an input voltage range from 2.5V to 18V.
Q: What is the maximum output current that the IRU1117CDTR can handle? A: The IRU1117CDTR can handle a maximum output current of 1A.
Q: How accurate is the output voltage of the IRU1117CDTR? A: The output voltage accuracy of the IRU1117CDTR is typically ±2%.
Q: Can the IRU1117CDTR be used for both positive and negative voltage regulation? A: No, the IRU1117CDTR is designed for positive voltage regulation only.
Q: Does the IRU1117CDTR require any external components for operation? A: Yes, the IRU1117CDTR requires at least two external capacitors (input and output capacitors) for stability and proper operation.
Q: What is the dropout voltage of the IRU1117CDTR? A: The dropout voltage of the IRU1117CDTR is typically around 0.6V.
Q: Is the IRU1117CDTR protected against overcurrent and thermal shutdown? A: Yes, the IRU1117CDTR has built-in overcurrent protection and thermal shutdown features to protect the IC from damage.
Q: Can the IRU1117CDTR be used in battery-powered applications? A: Yes, the low dropout voltage and low quiescent current make the IRU1117CDTR suitable for battery-powered applications.
Q: What is the package type of the IRU1117CDTR? A: The IRU1117CDTR is available in a surface-mount DPAK (TO-252) package.
Please note that these answers are general and may vary depending on specific application requirements and datasheet specifications.