IRU1261CT

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: TO-220

Essence: The IRU1261CT is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The IRU1261CT is typically sold in reels or tubes, with 50 units per reel/tube.

Specifications

Input Voltage Range: 4.5V - 18V
Output Voltage Range: 1.25V - 16V
Output Current: Up to 1.5A
Dropout Voltage: 0.6V @ 1A
Quiescent Current: 80µA
Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The IRU1261CT has the following pin configuration:

VIN (Input Voltage)
GND (Ground)
VOUT (Output Voltage)

Functional Features

High Efficiency: The IRU1261CT utilizes advanced circuitry to achieve high efficiency, minimizing power loss during voltage regulation.
Low Dropout Voltage: With a low dropout voltage of 0.6V at 1A, the IRU1261CT can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
Adjustable Output Voltage: The output voltage of the IRU1261CT can be easily adjusted using external resistors, allowing flexibility in meeting specific voltage requirements.
Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the connected circuitry from excessive current flow.
Thermal Shutdown Protection: To prevent overheating, the IRU1261CT features thermal shutdown protection, automatically shutting down the device if the temperature exceeds a safe threshold.

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption. - Adjustable output voltage allows for customization. - Overcurrent and thermal shutdown protection enhance reliability and safety.

Disadvantages: - Limited output current capacity (up to 1.5A). - Requires external resistors for output voltage adjustment.

Working Principles

The IRU1261CT operates as a linear voltage regulator. It regulates the output voltage by comparing the reference voltage with a fraction of the output voltage. The internal circuitry adjusts the pass transistor to maintain a stable output voltage, compensating for changes in input voltage and load conditions.

Detailed Application Field Plans

The IRU1261CT finds applications in various electronic devices that require a stable and regulated power supply. Some common application fields include: - Consumer electronics - Automotive systems - Industrial equipment - Telecommunications devices

Detailed and Complete Alternative Models

LM317T: A popular alternative with similar specifications and adjustable output voltage.
L7805CV: Fixed output voltage regulator with a maximum output current of 1.5A.
LT1084CP-12: Adjustable output voltage regulator capable of delivering up to 5A of current.

These alternative models offer similar functionality and can be used as substitutes for the IRU1261CT in different applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací IRU1261CT v technických řešeních

Sure! Here are 10 common questions and answers related to the application of IRU1261CT in technical solutions:

Q1: What is IRU1261CT? A1: IRU1261CT is a voltage regulator IC (Integrated Circuit) commonly used in technical solutions to regulate and stabilize voltage levels.

Q2: What is the input voltage range for IRU1261CT? A2: The input voltage range for IRU1261CT is typically between 4.75V and 23V.

Q3: What is the output voltage range of IRU1261CT? A3: The output voltage range of IRU1261CT can be adjusted using external resistors, but it typically ranges from 1.25V to 20V.

Q4: What is the maximum output current of IRU1261CT? A4: The maximum output current of IRU1261CT is around 5A, which makes it suitable for powering various electronic components.

Q5: Can IRU1261CT handle both step-up and step-down voltage regulation? A5: No, IRU1261CT is primarily designed for step-down voltage regulation, meaning it can lower the input voltage to a desired level.

Q6: Is IRU1261CT suitable for automotive applications? A6: Yes, IRU1261CT is often used in automotive applications due to its wide input voltage range and ability to withstand harsh operating conditions.

Q7: Does IRU1261CT have built-in protection features? A7: Yes, IRU1261CT incorporates various protection features such as overcurrent protection, thermal shutdown, and short-circuit protection.

Q8: Can IRU1261CT operate in high-temperature environments? A8: Yes, IRU1261CT is designed to operate in high-temperature environments, typically up to 125°C.

Q9: Can IRU1261CT be used in battery-powered applications? A9: Yes, IRU1261CT can be used in battery-powered applications as it efficiently regulates voltage levels and helps extend battery life.

Q10: Are there any recommended external components for using IRU1261CT? A10: Yes, to ensure stable operation, it is recommended to use input/output capacitors and an inductor in conjunction with IRU1261CT.

Please note that these answers are general and may vary depending on the specific application and requirements.