IRU1207-25CS

Product Overview

Category: Integrated Circuit (IC)

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 IRU1207-25CS is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The IRU1207-25CS is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V - 16V
• Output Voltage Range: 1.2V - 5.5V
• Output Current: Up to 2A
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 100μA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The IRU1207-25CS has the following pin configuration:

```

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

• VIN: Input voltage pin
• VOUT: Output voltage pin
• GND: Ground pin
• ADJ: Adjustable pin (used to set the desired output voltage)

Functional Features

• High Efficiency: The IRU1207-25CS offers high efficiency, minimizing power loss and maximizing battery life in portable devices.
• Low Dropout Voltage: With a low dropout voltage of only 200mV, 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 users to set the desired output voltage within the specified range.
• 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 activates, preventing damage to the IC.

Advantages and Disadvantages

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

Disadvantages: - Limited input voltage range (2.5V - 16V) - Dropout voltage may affect performance in low voltage applications

Working Principles

The IRU1207-25CS operates as a linear voltage regulator. It regulates the output voltage by comparing the reference voltage with the feedback voltage obtained from the ADJ pin. The internal circuitry adjusts the pass transistor to maintain a stable output voltage, compensating for changes in the input voltage and load conditions.

Detailed Application Field Plans

The IRU1207-25CS finds applications in various electronic devices that require a regulated power supply. Some common application fields include: 1. Mobile phones and smartphones 2. Portable media players 3. Digital cameras 4. Wireless communication devices 5. Battery-powered devices 6. Automotive electronics 7. Industrial control systems

Detailed and Complete Alternative Models

1. LM317: A popular adjustable voltage regulator IC with similar features and specifications.
2. LT1085: A high-current, adjustable linear voltage regulator suitable for demanding applications.
3. TPS7A47: An ultra-low-noise, high-PSRR linear voltage regulator designed for sensitive audio and RF applications.

These alternative models offer different trade-offs in terms of performance, cost, and specific application requirements. It is recommended to evaluate the datasheets and consult with design engineers to select the most suitable alternative for a particular application.

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