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IRU1117CD
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: TO-252-3 (DPAK)
Essence: The IRU1117CD is a low dropout voltage regulator designed to provide a stable and regulated output voltage for various electronic devices.
Packaging/Quantity: The IRU1117CD is typically sold in reels or tubes, with a quantity of 2500 units per reel or 50 units per tube.
Specifications
- Input Voltage Range: 2.5V to 18V
- Output Voltage Range: 1.2V to 16V
- Dropout Voltage: 1.2V (typical)
- Output Current: Up to 1A
- Quiescent Current: 120µA (typical)
- Line Regulation: 0.2% (typical)
- Load Regulation: 0.4% (typical)
- Operating Temperature Range: -40°C to +125°C
Pin Configuration
The IRU1117CD has three pins:
- VIN - Input voltage pin
- GND - Ground pin
- VOUT - Output voltage pin
Functional Features
- Low dropout voltage allows operation with very small input-output differentials.
- High output current capability enables the regulator to power a wide range of electronic devices.
- Thermal shutdown protection prevents the IC from overheating under excessive load conditions.
- Short circuit current limit protects the regulator from damage in case of a short circuit.
- Fast transient response ensures stability and accuracy of the output voltage during sudden load changes.
Advantages and Disadvantages
Advantages: - Low dropout voltage enables efficient power conversion. - High output current capability makes it suitable for a wide range of applications. - Thermal shutdown protection ensures the safety and reliability of the IC. - Fast transient response provides stable output voltage during load variations.
Disadvantages: - Limited input voltage range (2.5V to 18V). - Relatively high quiescent current compared to some other voltage regulators.
Working Principles
The IRU1117CD is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage, adjusting the pass transistor accordingly to maintain a stable output voltage.
Detailed Application Field Plans
The IRU1117CD can be used in various applications, including but not limited to: 1. Power supplies for microcontrollers and digital circuits 2. Battery-powered devices 3. Automotive electronics 4. Industrial control systems 5. Consumer electronics
Detailed and Complete Alternative Models
Some alternative models to the IRU1117CD include: 1. LM1117 - Low dropout voltage regulator with similar specifications 2. LT1117 - Low dropout positive adjustable voltage regulator 3. ADP3339 - Low dropout linear regulator with high output current capability
These alternative models offer similar functionality and can be considered as substitutes depending on specific requirements.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací IRU1117CD v technických řešeních
Sure! Here are 10 common questions and answers related to the application of IRU1117CD in technical solutions:
Q: What is the IRU1117CD? A: The IRU1117CD is a low dropout (LDO) voltage regulator IC that provides a stable output voltage for various electronic applications.
Q: What is the input voltage range of the IRU1117CD? A: The IRU1117CD has an input voltage range of 2.5V to 18V.
Q: What is the output voltage range of the IRU1117CD? A: The IRU1117CD can provide a fixed output voltage of 1.8V, 2.5V, 3.3V, or 5V, depending on the specific variant.
Q: What is the maximum output current of the IRU1117CD? A: The IRU1117CD can deliver a maximum output current of 800mA.
Q: Can the IRU1117CD handle high temperatures? A: Yes, the IRU1117CD is designed to operate over a wide temperature range, typically from -40°C to +125°C.
Q: Does the IRU1117CD require any external components for operation? A: Yes, the IRU1117CD requires a minimum of two external capacitors for stability and proper operation.
Q: Is the IRU1117CD suitable for battery-powered applications? A: Yes, the low dropout voltage and low quiescent current make the IRU1117CD ideal for battery-powered devices.
Q: Can the IRU1117CD protect against overcurrent or short circuits? A: No, the IRU1117CD does not have built-in overcurrent or short circuit protection. External protection measures may be required.
Q: Can multiple IRU1117CD regulators be used in parallel to increase output current? A: Yes, multiple IRU1117CD regulators can be connected in parallel to share the load and increase the overall output current capability.
Q: What are some typical applications of the IRU1117CD? A: The IRU1117CD is commonly used in various electronic devices such as power supplies, battery chargers, audio amplifiers, and microcontroller systems.
Please note that these answers are general and may vary depending on the specific requirements and conditions of your technical solution.