IRU1261CMTR
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 - Overcurrent protection
Package: CMTR (Ceramic Metal Tabulation Resistor)
Essence: The IRU1261CMTR is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.
Packaging/Quantity: The IRU1261CMTR is available in a CMTR package and is typically sold in reels of 2500 units.
Specifications
- Input Voltage Range: 2.5V - 16V
- Output Voltage Range: 1.25V - 12V
- Dropout Voltage: 0.3V @ 1A
- Output Current: Up to 1.5A
- Quiescent Current: 75µA
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The IRU1261CMTR has the following pin configuration:
- VIN: Input voltage pin
- GND: Ground pin
- VOUT: Output voltage pin
- ADJ: Adjustable pin for setting the output voltage
Functional Features
- Low Dropout Voltage: The IRU1261CMTR exhibits 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 a maximum output current of 1.5A, this voltage regulator can power a wide range of electronic devices.
- Adjustable Output Voltage: The ADJ pin allows users to adjust the output voltage within the specified range according to their requirements.
- Thermal Shutdown Protection: The IC incorporates a thermal shutdown feature that protects it from overheating by shutting down the output when the temperature exceeds a certain threshold.
- Short Circuit Current Limiting: In case of a short circuit, the IRU1261CMTR limits the current to protect itself and the connected devices.
- Overcurrent Protection: The voltage regulator has built-in overcurrent protection to safeguard against excessive current flow.
Advantages and Disadvantages
Advantages: - Wide input voltage range - Adjustable output voltage - High output current capability - Thermal shutdown protection - Short circuit current limiting - Overcurrent protection
Disadvantages: - Dropout voltage of 0.3V may not be suitable for applications with low input voltages
Working Principles
The IRU1261CMTR operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. By comparing the output voltage with a reference voltage, the IC adjusts the pass transistor to maintain a stable output voltage.
Detailed Application Field Plans
The IRU1261CMTR is commonly used in various electronic devices and applications, including: - Power supplies - Battery-powered devices - Automotive electronics - Industrial control systems - Consumer electronics
Detailed and Complete Alternative Models
Some alternative models to the IRU1261CMTR include: - LM317: Adjustable voltage regulator with similar features - LT1084: Low dropout voltage regulator with higher output current capability - LM1117: Fixed voltage regulator with adjustable versions available
These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.
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기술 솔루션에 IRU1261CMTR 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
Sure! Here are 10 common questions and answers related to the application of IRU1261CMTR in technical solutions:
Q: What is IRU1261CMTR? A: IRU1261CMTR is a voltage regulator IC (integrated circuit) commonly used in electronic circuits to regulate and stabilize voltage levels.
Q: What is the input voltage range for IRU1261CMTR? A: The input voltage range for IRU1261CMTR is typically between 4.75V and 23V.
Q: What is the output voltage range of IRU1261CMTR? A: The output voltage range of IRU1261CMTR can be adjusted from 1.25V to 20V using external resistors.
Q: What is the maximum output current that IRU1261CMTR can handle? A: IRU1261CMTR can handle a maximum output current of 5A.
Q: Can IRU1261CMTR operate in both step-up and step-down configurations? A: Yes, IRU1261CMTR can be used in both step-up (boost) and step-down (buck) configurations depending on the application requirements.
Q: Does IRU1261CMTR have built-in overcurrent protection? A: Yes, IRU1261CMTR has built-in overcurrent protection that helps prevent damage to the IC and connected components in case of excessive current flow.
Q: Is IRU1261CMTR suitable for automotive applications? A: Yes, IRU1261CMTR is designed to meet automotive specifications and can be used in various automotive applications.
Q: Can IRU1261CMTR operate in high-temperature environments? A: Yes, IRU1261CMTR has a wide operating temperature range of -40°C to 125°C, making it suitable for high-temperature environments.
Q: Does IRU1261CMTR require any external components for operation? A: Yes, IRU1261CMTR requires external capacitors and resistors for stable operation. The datasheet provides recommended values based on the desired output voltage and current.
Q: What are some typical applications of IRU1261CMTR? A: IRU1261CMTR is commonly used in various technical solutions such as power supplies, battery chargers, LED drivers, and other applications that require voltage regulation and current control.
Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.