IRU3037ACFPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: ACFPBF (Advanced Ceramic Flat Pack, Bottom Flow)

Essence: The IRU3037ACFPBF is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The IRU3037ACFPBF is typically sold in reels or tubes containing multiple units.

Specifications

• Input Voltage Range: 2.5V - 16V
• Output Voltage Range: 0.8V - 5.5V
• Output Current: Up to 3A
• Dropout Voltage: 300mV (typical)
• Quiescent Current: 120µA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The IRU3037ACFPBF has the following pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. VOUT: Output voltage
4. ADJ: Adjustable voltage reference
5. EN: Enable control
6. FB: Feedback voltage

Functional Features

• High Efficiency: The IRU3037ACFPBF utilizes advanced circuitry to achieve high efficiency, minimizing power loss.
• Low Dropout Voltage: The IC maintains a low dropout voltage, ensuring 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 specified range using an external resistor.
• Overcurrent Protection: The IC incorporates overcurrent protection to safeguard connected devices from excessive current flow.
• Thermal Shutdown Protection: In case of excessive temperature, the IC automatically shuts down to prevent damage.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Adjustable output voltage allows flexibility in various applications. - Overcurrent and thermal shutdown protection enhance device safety.

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

Working Principles

The IRU3037ACFPBF operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB) with an internal reference voltage. The adjustable voltage reference (ADJ) pin allows users to set the desired output voltage. The IC adjusts the pass transistor to maintain a stable output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

The IRU3037ACFPBF is commonly used in various electronic devices that require a stable and regulated power supply. Some application fields include:

1. Consumer Electronics: Used in smartphones, tablets, and portable media players to regulate battery voltage and power sensitive components.
2. Automotive: Employed in automotive electronics for voltage regulation in infotainment systems, lighting controls, and engine management systems.
3. Industrial Automation: Utilized in industrial control systems, robotics, and motor drives to ensure stable power supply for precise operation.
4. Telecommunications: Integrated into networking equipment, routers, and switches to provide reliable power to critical components.

Detailed and Complete Alternative Models

1. LM317: A popular adjustable voltage regulator IC with similar features and capabilities.
2. LT1086: Another high-performance linear voltage regulator offering adjustable output voltage and low dropout characteristics.
3. TPS7A47: A precision voltage regulator IC suitable for demanding applications requiring high accuracy and low noise.

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