IRU1050CP

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 IRU1050CP is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Packaging/Quantity: The IRU1050CP is typically sold in reels of 1000 units.

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 1.2V to 15V
• Dropout Voltage: 0.6V at 1A
• Maximum Output Current: 1A
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The IRU1050CP has the following pin configuration:

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| | --| Vout | --| Vin | --| GND | --| ADJ | |___________| ```

Functional Features

• High Efficiency: The IRU1050CP offers high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: With a low dropout voltage of 0.6V at 1A, the IC can maintain a stable output even when the input voltage is close to the desired output voltage.
• Adjustable Output Voltage: The output voltage can be adjusted within the range of 1.2V to 15V, providing flexibility for different applications.
• Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the connected circuitry from excessive current flow.
• Thermal Shutdown Protection: In case of excessive heat, the IRU1050CP features thermal shutdown protection to prevent damage to the IC.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Adjustable output voltage allows for versatile applications. - Overcurrent and thermal shutdown protection enhance reliability.

Disadvantages: - Limited maximum output current of 1A may not be suitable for high-power applications. - Dropout voltage of 0.6V may affect performance in low input voltage scenarios.

Working Principles

The IRU1050CP operates as a linear voltage regulator. It regulates the output voltage by comparing the reference voltage with the feedback voltage obtained from the output. The internal circuitry adjusts the pass transistor to maintain a stable output voltage, compensating for changes in the input voltage and load conditions.

Application Field Plans

The IRU1050CP finds applications in various electronic devices that require a stable and adjustable output voltage. Some potential application fields include: - Battery-powered devices - Portable audio players - Automotive electronics - Industrial control systems - Communication equipment

Alternative Models

• LM317: A popular alternative with similar characteristics and adjustable output voltage.
• LT1084: Offers higher maximum output current and lower dropout voltage compared to the IRU1050CP.
• LM7805: Fixed output voltage regulator with a maximum output current of 1A.

These alternative models can be considered based on specific requirements and compatibility with the target application.

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