IRU1208CSTR

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: CSTR package

Essence: The IRU1208CSTR is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Packaging/Quantity: The IRU1208CSTR is available in a CSTR package and is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 2.5V to 18V
• Output Voltage Range: 1.25V to 16V
• Dropout Voltage: 300mV at 3A
• Maximum Output Current: 3A
• Quiescent Current: 80µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The IRU1208CSTR has the following pin configuration:

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| | | IRU | | 1208C | | CSTR | |_______________|

Pin 1: VIN (Input Voltage) Pin 2: GND (Ground) Pin 3: VOUT (Output Voltage) Pin 4: ADJ (Adjustment Pin) Pin 5: EN (Enable Pin) ```

Functional Features

• High Efficiency: The IRU1208CSTR offers high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: With a low dropout voltage of 300mV at 3A, the IC can maintain a stable output even when the input voltage is close to the desired output voltage.
• Adjustable Output Voltage: The output voltage can be adjusted within a range of 1.25V to 16V, providing flexibility for different applications.
• Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the connected devices 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 leads to reduced power consumption. - Adjustable output voltage allows for versatile use in various electronic devices. - Overcurrent and thermal shutdown protection enhance reliability and safety.

Disadvantages: - Limited maximum output current of 3A may not be suitable for high-power applications. - Dropout voltage of 300mV may affect performance in low input voltage scenarios.

Working Principles

The IRU1208CSTR 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 despite variations in the input voltage and load conditions.

Detailed Application Field Plans

The IRU1208CSTR finds application in various electronic devices that require a stable and adjustable output voltage. Some potential application fields include: - Battery-powered devices - Portable audio players - Wireless communication systems - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

• LM317T
• LT1084CP
• LM1117-ADJ
• TPS7A4700

These alternative models offer similar functionality and can be used as substitutes for the IRU1208CSTR in voltage regulation applications.

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