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IRU1117-25CD
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 IRU1117-25CD is a low dropout voltage regulator designed to provide a fixed 2.5V output voltage with a maximum output current of 1A.
Packaging/Quantity: The IRU1117-25CD is available in tape and reel packaging, with 2500 units per reel.
Specifications
- Input Voltage Range: 2.7V to 18V
- Output Voltage: 2.5V
- Output Current: 1A
- Dropout Voltage: 0.6V typical at 1A
- Line Regulation: 0.2% typical
- Load Regulation: 0.4% typical
- Quiescent Current: 120µA typical
- Operating Temperature Range: -40°C to +125°C
Pin Configuration
The IRU1117-25CD has three pins:
- VIN (Pin 1): Input voltage pin.
- GND (Pin 2): Ground pin.
- VOUT (Pin 3): Output voltage pin.
Functional Features
- Low dropout voltage allows for efficient regulation even when the input voltage is close to the desired output voltage.
- High output current capability enables the IRU1117-25CD to power a wide range of devices.
- Thermal shutdown protection prevents the IC from overheating under excessive load or high ambient temperature conditions.
- Short circuit current limit protects the IC and connected components from damage in case of a short circuit.
- Fast transient response ensures stable output voltage even during sudden load changes.
Advantages and Disadvantages
Advantages: - Low dropout voltage results in higher efficiency. - High output current capability allows for versatile applications. - Thermal shutdown protection enhances reliability. - Fast transient response ensures stable performance.
Disadvantages: - Limited output voltage options (fixed at 2.5V). - Relatively high quiescent current compared to some other voltage regulators.
Working Principles
The IRU1117-25CD 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 IRU1117-25CD can be used in various applications, including but not limited to: 1. Battery-powered devices 2. Portable electronics 3. Automotive systems 4. Industrial equipment 5. Communication devices
Detailed and Complete Alternative Models
Some alternative models to the IRU1117-25CD include: 1. LM1117-2.5: A similar low dropout voltage regulator with a fixed 2.5V output voltage. 2. LT1117-2.5: Another low dropout voltage regulator offering a fixed 2.5V output voltage. 3. ADP3339-2.5: A precision voltage regulator with a fixed 2.5V output voltage.
These alternative models provide 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 IRU1117-25CD v technických řešeních
Sure! Here are 10 common questions and answers related to the application of IRU1117-25CD in technical solutions:
Q: What is the IRU1117-25CD? A: The IRU1117-25CD is a low dropout (LDO) voltage regulator IC that provides a fixed output voltage of 2.5V.
Q: What is the input voltage range for the IRU1117-25CD? A: The input voltage range for the IRU1117-25CD is typically between 2.7V and 20V.
Q: What is the maximum output current of the IRU1117-25CD? A: The IRU1117-25CD can provide a maximum output current of 800mA.
Q: Can the IRU1117-25CD be used to regulate voltages other than 2.5V? A: No, the IRU1117-25CD is specifically designed to provide a fixed output voltage of 2.5V.
Q: Is the IRU1117-25CD suitable for battery-powered applications? A: Yes, the IRU1117-25CD has a low dropout voltage and low quiescent current, making it suitable for battery-powered applications.
Q: Does the IRU1117-25CD require any external components for operation? A: Yes, the IRU1117-25CD requires an input capacitor and an output capacitor for stability and proper operation.
Q: What is the thermal resistance of the IRU1117-25CD? A: The thermal resistance of the IRU1117-25CD is typically around 50°C/W.
Q: Can the IRU1117-25CD handle short-circuit conditions? A: Yes, the IRU1117-25CD has built-in current limiting and thermal shutdown protection to handle short-circuit conditions.
Q: Can multiple IRU1117-25CD regulators be used in parallel for higher output current? A: Yes, multiple IRU1117-25CD regulators can be used in parallel with proper current sharing resistors to achieve higher output current.
Q: Is the IRU1117-25CD available in different package options? A: Yes, the IRU1117-25CD is available in various package options, including TO-252, TO-263, and D2PAK.