IRU1050CT

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 IRU1050CT is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The IRU1050CT is typically sold in reels or tubes, with 50 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 1.2V to 15V
• Maximum Output Current: 5A
• Dropout Voltage: 0.6V at 3A
• Quiescent Current: 10mA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The IRU1050CT has the following pin configuration:

```

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| | --| VIN GND |-- --| VOUT ADJ |-- --| NC NC |-- |___________| ```

• VIN: Input voltage
• GND: Ground
• VOUT: Output voltage
• ADJ: Adjust pin for setting the output voltage
• NC: No connection

Functional Features

1. High Efficiency: The IRU1050CT offers high efficiency, minimizing power loss during voltage regulation.
2. Low Dropout Voltage: With a low dropout voltage of 0.6V at 3A, the IC can maintain a stable output even when the input voltage is close to the desired output voltage.
3. Adjustable Output Voltage: The ADJ pin allows users to adjust the output voltage within the specified range.
4. Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the connected circuitry from excessive current flow.
5. Thermal Shutdown Protection: In case of excessive temperature rise, the thermal shutdown feature activates to prevent damage to the IC.

Advantages and Disadvantages

Advantages: - High efficiency ensures minimal power loss - Adjustable output voltage provides flexibility for various applications - Overcurrent and thermal shutdown protection enhance reliability and safety

Disadvantages: - Dropout voltage may limit its use in low voltage applications - Limited output current capacity compared to higher-rated voltage regulators

Working Principles

The IRU1050CT 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 despite variations in the input voltage or load conditions.

Application Field Plans

The IRU1050CT finds applications in various electronic devices that require a stable and regulated power supply. Some potential application fields include: 1. Consumer electronics (e.g., smartphones, tablets) 2. Automotive electronics (e.g., infotainment systems, navigation systems) 3. Industrial equipment (e.g., motor control, power supplies) 4. Communication systems (e.g., routers, modems)

Alternative Models

1. LM317T: A popular adjustable voltage regulator with similar specifications and pin configuration.
2. LT1084CP: A high-current, adjustable voltage regulator suitable for demanding applications.
3. LM7805: A fixed 5V voltage regulator commonly used in low-power electronic circuits.

These alternative models offer different features and capabilities, allowing users to choose the most suitable option based on their specific requirements.

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