IRU1010-18CP

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 IRU1010-18CP is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The IRU1010-18CP is typically packaged in a TO-220 package. It is available in reels or tubes, with quantities varying based on the supplier.

Specifications

• Input Voltage Range: 4.5V - 18V
• Output Voltage Range: 1.25V - 16V
• Maximum Output Current: 1A
• Dropout Voltage: 0.6V @ 1A
• Quiescent Current: 10mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The IRU1010-18CP has three pins:

1. VIN (Pin 1): Input voltage pin. Connects to the power supply.
2. VOUT (Pin 2): Output voltage pin. Connects to the load.
3. GND (Pin 3): Ground pin. Connected to the common ground of the circuit.

Functional Features

• High Efficiency: The IRU1010-18CP 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 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 range of 1.25V to 16V, providing flexibility for various applications.
• Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the circuit and load from excessive current.
• Thermal Shutdown Protection: In case of excessive temperature rise, the thermal shutdown feature activates, preventing damage to the IC.

Advantages and Disadvantages

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

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 voltage scenarios.

Working Principles

The IRU1010-18CP operates as a linear voltage regulator. It regulates the output voltage by comparing the reference voltage with the feedback voltage obtained from a voltage divider network. The internal circuitry adjusts the pass transistor to maintain a stable output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

The IRU1010-18CP finds applications in various electronic devices that require a stable and regulated power supply. Some common application fields include:

1. Consumer Electronics: Used in portable devices like smartphones, tablets, and digital cameras to provide a stable voltage for their internal circuits.
2. Automotive Electronics: Employed in automotive systems such as infotainment systems, navigation units, and engine control modules to ensure reliable power delivery.
3. Industrial Control Systems: Integrated into industrial control systems, PLCs (Programmable Logic Controllers), and motor drives to maintain consistent voltage levels for precise operation.
4. Telecommunications: Utilized in telecom equipment, routers, and switches to regulate power supply and prevent voltage fluctuations.

Detailed and Complete Alternative Models

1. LM317: A popular adjustable voltage regulator IC with similar features and specifications.
2. LT1083: A high-current, adjustable linear voltage regulator suitable for demanding applications.
3. LM7805: A fixed 5V voltage regulator commonly used in low-power electronic devices.

These alternative models offer different voltage ranges, current capabilities, and package options, providing flexibility to meet specific application requirements.

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