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IRU1261CM
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: CMOS SOT-23-5
Essence: The IRU1261CM is a voltage regulator IC that provides a stable output voltage for various electronic devices.
Packaging/Quantity: The IRU1261CM is available in a standard reel packaging with 3000 units per reel.
Specifications
- Input Voltage Range: 2.7V to 6.5V
- Output Voltage Range: 1.2V to 5.5V
- Dropout Voltage: 200mV at 100mA
- Output Current: Up to 1A
- Quiescent Current: 120µA
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The IRU1261CM has the following pin configuration:
- GND (Ground)
- VIN (Input Voltage)
- VOUT (Output Voltage)
- ADJ (Adjustment Pin)
- NC (No Connection)
Functional Features
- Low Dropout Voltage: The IRU1261CM 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 1A, the IRU1261CM can power a wide range of electronic devices.
- Adjustable Output Voltage: The output voltage can be adjusted within the specified range using an external resistor divider connected to the ADJ pin.
- Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, which prevents damage due to excessive temperature.
- Short Circuit Current Limiting: The IRU1261CM limits the output current in case of a short circuit, protecting both the IC and the connected devices.
- Overcurrent Protection: It provides protection against excessive current flow, ensuring the safety of the circuit.
Advantages and Disadvantages
Advantages: - Low dropout voltage ensures efficient regulation - High output current capability for powering various devices - Adjustable output voltage allows flexibility in design - Thermal shutdown protection prevents overheating - Short circuit current limiting protects the circuit - Overcurrent protection enhances safety
Disadvantages: - Limited input voltage range (2.7V to 6.5V) - Quiescent current may affect battery life in low-power applications
Working Principles
The IRU1261CM is based on a CMOS process technology, which enables low dropout voltage and high output current capability. It utilizes a feedback mechanism to regulate the output voltage. The ADJ pin allows the user to adjust the output voltage by connecting an external resistor divider. The IC incorporates various protection features like thermal shutdown, short circuit current limiting, and overcurrent protection to ensure safe operation.
Detailed Application Field Plans
The IRU1261CM can be used in a wide range of applications, including but not limited to: - Battery-powered devices - Portable electronic devices - Automotive electronics - Industrial control systems - Power management modules - Consumer electronics
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the IRU1261CM are: - LM1117-ADJ - LT1763-ADJ - MCP1700-ADJ - TPS79601-ADJ - MAX603-ADJ
These alternatives provide comparable voltage regulation capabilities and come in various package options to suit different design requirements.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de IRU1261CM en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of IRU1261CM in technical solutions:
Q1: What is the IRU1261CM? A1: The IRU1261CM is a voltage regulator IC (integrated circuit) commonly used in electronic circuits to regulate and stabilize voltage levels.
Q2: What is the input voltage range of the IRU1261CM? A2: The IRU1261CM has an input voltage range of 4.75V to 23V.
Q3: What is the output voltage range of the IRU1261CM? A3: The IRU1261CM can provide a regulated output voltage ranging from 1.25V to 20V.
Q4: What is the maximum output current of the IRU1261CM? A4: The IRU1261CM can deliver a maximum output current of 3A.
Q5: Can the IRU1261CM handle both step-up and step-down voltage regulation? A5: No, the IRU1261CM is primarily designed for step-down voltage regulation.
Q6: What is the efficiency of the IRU1261CM? A6: The efficiency of the IRU1261CM can reach up to 95% under optimal operating conditions.
Q7: Does the IRU1261CM have built-in overcurrent protection? A7: Yes, the IRU1261CM incorporates overcurrent protection to safeguard against excessive current flow.
Q8: Is the IRU1261CM suitable for automotive applications? A8: Yes, the IRU1261CM is designed to meet the requirements of automotive applications, including temperature and reliability standards.
Q9: Can the IRU1261CM operate in a wide temperature range? A9: Yes, the IRU1261CM can operate within a temperature range of -40°C to 125°C.
Q10: What are some typical applications of the IRU1261CM? A10: The IRU1261CM is commonly used in various technical solutions such as power supplies, battery chargers, LED drivers, and other low-voltage electronic systems.
Please note that these answers are general and may vary depending on specific application requirements.