IRU1030CD

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: CDIP (Ceramic Dual In-line Package)

Essence: The IRU1030CD is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The IRU1030CD is available in a CDIP package, which contains one unit of the IC.

Specifications

The specifications of the IRU1030CD are as follows:

• Input Voltage Range: 4.5V to 40V
• Output Voltage Range: 1.25V to 37V
• Output Current: Up to 3A
• Dropout Voltage: 1.2V (typical)
• Line Regulation: 0.01%/V
• Load Regulation: 0.1%
• Quiescent Current: 10mA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The IRU1030CD has the following pin configuration:

1. Vout (Output Voltage)
2. Vin (Input Voltage)
3. GND (Ground)
4. Adj (Adjustment Pin)

Functional Features

• High Efficiency: The IRU1030CD offers high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: With a low dropout voltage of 1.2V, the IC can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Adjustable Output Voltage: The output voltage can be adjusted within the specified range using an external resistor connected to the adjustment pin.
• Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the connected circuitry from excessive current flow.
• Thermal Shutdown Protection: In case of excessive temperature rise, the IC automatically shuts down to prevent damage.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Adjustable output voltage allows flexibility in various applications. - Overcurrent and thermal shutdown protection enhance reliability and safety.

Disadvantages: - Limited output current capacity (up to 3A). - Requires an external resistor for output voltage adjustment.

Working Principles

The IRU1030CD operates based on a feedback control mechanism. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage. The adjustable output voltage is achieved by varying the resistance connected to the adjustment pin.

Detailed Application Field Plans

The IRU1030CD finds applications in various electronic devices that require a regulated power supply. Some potential application fields include: 1. Consumer electronics 2. Automotive systems 3. Industrial equipment 4. Telecommunications 5. Power management modules

Detailed and Complete Alternative Models

1. LM317: A popular voltage regulator IC with similar features and adjustable output voltage.
2. LT1084: Provides higher output current capability while maintaining low dropout voltage.
3. LM7805: Fixed output voltage regulator with a maximum output current of 1A.

These alternative models offer different specifications and may be suitable for specific application requirements.

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