IRU431-L5TR
Product Overview
Category: Integrated Circuit (IC)
Use: Voltage Regulator
Characteristics: - Low dropout voltage - High output current capability - Adjustable output voltage - Thermal shutdown protection - Short circuit current limiting - Reverse battery protection
Package: TO-252-3 (DPAK)
Essence: The IRU431-L5TR is a voltage regulator IC that provides a stable output voltage for various electronic devices.
Packaging/Quantity: The IRU431-L5TR is typically sold in reels containing 2500 units.
Specifications
- Input Voltage Range: 2.5V to 18V
- Output Voltage Range: 1.25V to 16V
- Dropout Voltage: 0.6V (typical)
- Output Current: Up to 1A
- Quiescent Current: 120µA (typical)
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
The IRU431-L5TR has three pins:
- VIN (Pin 1): Input voltage pin.
- GND (Pin 2): Ground reference pin.
- VOUT (Pin 3): Output voltage pin.
Functional Features
- Low Dropout Voltage: The IRU431-L5TR 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 1A, the IRU431-L5TR can power a wide range of electronic devices.
- Adjustable Output Voltage: The output voltage can be adjusted using external resistors, providing flexibility in different applications.
- Thermal Shutdown Protection: The IC includes thermal shutdown protection, which prevents damage due to excessive temperature.
- Short Circuit Current Limiting: The IRU431-L5TR limits the output current in case of a short circuit, protecting the device and the connected circuit.
- Reverse Battery Protection: The IC is designed to withstand reverse battery connection without any damage.
Advantages and Disadvantages
Advantages: - Low dropout voltage ensures efficient regulation. - High output current capability allows for powering various devices. - Adjustable output voltage provides flexibility. - Thermal shutdown protection prevents overheating. - Short circuit current limiting protects the device and circuit. - Reverse battery protection safeguards against reverse polarity connection.
Disadvantages: - Limited output current compared to higher-rated voltage regulators. - Requires external resistors for adjusting the output voltage.
Working Principles
The IRU431-L5TR operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the difference between the input and desired output voltage. The internal circuitry compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.
Detailed Application Field Plans
The IRU431-L5TR can be used in various applications, including: 1. Power supplies for consumer electronics 2. Battery-powered devices 3. Automotive electronics 4. Industrial control systems 5. Communication equipment
Detailed and Complete Alternative Models
Some alternative models to the IRU431-L5TR include: - LM1117-ADJ - LT1086-ADJ - TPS7A4700-ADJ - ADP3339-ADJ - MAX603-ADJ
These models offer similar functionality and can be used as alternatives depending on specific requirements.
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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av IRU431-L5TR i tekniska lösningar
Sure! Here are 10 common questions and answers related to the application of IRU431-L5TR in technical solutions:
Q: What is IRU431-L5TR? A: IRU431-L5TR is a voltage regulator IC (integrated circuit) commonly used in technical solutions to regulate voltage levels.
Q: What is the input voltage range for IRU431-L5TR? A: The input voltage range for IRU431-L5TR is typically between 4.75V and 18V.
Q: What is the output voltage range of IRU431-L5TR? A: The output voltage range of IRU431-L5TR can be adjusted from 1.25V to 16V using external resistors.
Q: How much current can IRU431-L5TR handle? A: IRU431-L5TR can handle a maximum current of 1A, making it suitable for low to medium power applications.
Q: Is IRU431-L5TR a linear or switching regulator? A: IRU431-L5TR is a linear regulator, meaning it regulates the output voltage by dissipating excess energy as heat.
Q: Can IRU431-L5TR operate in both step-up and step-down configurations? A: No, IRU431-L5TR is primarily designed for step-down voltage regulation, converting higher input voltages to lower output voltages.
Q: Does IRU431-L5TR have built-in thermal protection? A: Yes, IRU431-L5TR incorporates thermal shutdown protection to prevent overheating and damage to the IC.
Q: What is the typical dropout voltage of IRU431-L5TR? A: The typical dropout voltage of IRU431-L5TR is around 1.3V, meaning the input voltage must be at least 1.3V higher than the desired output voltage.
Q: Can IRU431-L5TR be used in battery-powered applications? A: Yes, IRU431-L5TR can be used in battery-powered applications as it operates efficiently with low input voltages.
Q: Are there any recommended external components to use with IRU431-L5TR? A: Yes, it is recommended to use input and output capacitors for stability and noise reduction, as well as a feedback resistor network to set the desired output voltage.
Please note that these answers are general and may vary depending on specific application requirements and datasheet specifications.