IRU1010-18CY

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

Packaging/Quantity: The IRU1010-18CY is available in a TO-220 package. It is typically sold in reels or tubes containing multiple units.

Specifications

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

Pin Configuration

The IRU1010-18CY has the following pin configuration:

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| | --| VIN GND |-- Pin 1: Input Voltage (VIN) --| VOUT NC |-- Pin 2: Output Voltage (VOUT) --| ADJ NC |-- Pin 3: Adjust (ADJ) --| NC NC |-- Pin 4: Not Connected (NC) --| NC NC |-- Pin 5: Not Connected (NC) --| NC NC |-- Pin 6: Not Connected (NC) --| NC NC |-- Pin 7: Not Connected (NC) --| NC NC |-- Pin 8: Not Connected (NC) |___________| ```

Functional Features

• High Efficiency: The IRU1010-18CY offers high efficiency, minimizing power loss and maximizing battery life in portable devices.
• 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 using an external resistor divider network, 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: 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 customization - Overcurrent and thermal shutdown protection enhance reliability

Disadvantages: - Limited output current capacity (up to 1A) - Requires external components for proper operation

Working Principles

The IRU1010-18CY operates as a linear voltage regulator. It regulates the output voltage by comparing a reference voltage with a fraction of the output voltage. By adjusting the resistance in the feedback network, the output voltage can be set to the desired level. The IC continuously monitors the output voltage and adjusts the current flow accordingly to maintain a stable output.

Detailed Application Field Plans

The IRU1010-18CY finds applications in various electronic devices that require a regulated power supply. Some common application fields include: - Consumer electronics - Automotive electronics - Industrial control systems - Telecommunications equipment - Power management modules

Detailed and Complete Alternative Models

• LM317: A popular adjustable voltage regulator IC with similar features.
• LT1083: A high-current, adjustable voltage regulator suitable for demanding applications.
• LM7805: A fixed 5V voltage regulator commonly used in low-power circuits.

These alternative models offer different specifications and package options, providing flexibility to meet specific requirements.

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