IRU1207-18CS

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage Regulator

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

Package: CS (Compact Surface Mount Package)

Essence: The IRU1207-18CS is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The IRU1207-18CS is available in tape and reel packaging, with 250 units per reel.

Specifications

• Input Voltage Range: 2.5V - 18V
• Output Voltage Range: 1.25V - 16V
• Output Current: Up to 1.5A
• Dropout Voltage: 0.6V at 1A
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%
• Quiescent Current: 100µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The IRU1207-18CS 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: Adjustable Voltage (ADJ) --| NC NC |-- Pin 4: Not Connected (NC) --| EN NC |-- Pin 5: Enable (EN) --| PG NC |-- Pin 6: Power Good (PG) |___________| ```

Functional Features

• High Efficiency: The IRU1207-18CS 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 ADJ pin allows for easy adjustment of the output voltage according to specific application 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 thermal shutdown feature protects the IC from damage by shutting down the regulator.

Advantages and Disadvantages

Advantages: - High efficiency - Adjustable output voltage - Overcurrent and thermal protection - Compact package size

Disadvantages: - Limited maximum output current (up to 1.5A) - Not suitable for high-power applications

Working Principles

The IRU1207-18CS operates as a linear voltage regulator. It takes an input voltage and regulates it to a stable output voltage using a feedback mechanism. The internal circuitry compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain the desired output voltage.

Detailed Application Field Plans

The IRU1207-18CS finds applications in various electronic devices that require a regulated power supply. Some common application fields include: - Battery-powered devices - Portable audio players - Wireless communication systems - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

• LM317: A popular adjustable voltage regulator IC with similar features and specifications.
• LT1083: A high-current, adjustable linear voltage regulator suitable for demanding applications.
• LM1117: A low dropout voltage regulator available in various fixed output voltage options.

These alternative models provide different options based on specific requirements and can be considered as alternatives to the IRU1207-18CS.

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