IRU1050CD

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-252-3 (DPAK)

Essence: The IRU1050CD is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The IRU1050CD is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 18V
• Output Voltage Range: 1.25V to 16V
• Dropout Voltage: 300mV at 1A
• Maximum Output Current: 1A
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The IRU1050CD has three pins:

1. VIN (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground reference pin.
3. VOUT (Pin 3): Output voltage pin.

Functional Features

• High Efficiency: The IRU1050CD utilizes advanced circuitry to achieve high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: With a low dropout voltage of only 300mV at 1A, the IRU1050CD can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Adjustable Output Voltage: The output voltage of the IRU1050CD can be adjusted within a wide range, allowing flexibility in various applications.
• Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the connected devices from excessive current flow.
• Thermal Shutdown Protection: The IRU1050CD features thermal shutdown protection, preventing damage due to excessive heat.

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption. - Adjustable output voltage allows versatility in different applications. - Overcurrent and thermal shutdown protection enhance device safety.

Disadvantages: - Limited maximum output current of 1A may not be suitable for high-power applications. - Dropout voltage of 300mV may affect performance in low input voltage scenarios.

Working Principles

The IRU1050CD 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 the input voltage and load conditions.

Detailed Application Field Plans

The IRU1050CD is commonly used in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable audio players - Wireless communication devices - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the IRU1050CD are: - LM317: A popular adjustable voltage regulator IC with similar characteristics. - LT1083: A high-current linear voltage regulator with adjustable output voltage. - TPS7A4700: An ultra-low dropout voltage regulator suitable for low-power applications.

These alternative models offer similar functionality and can be chosen based on specific requirements and availability.

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