IRU3034CS

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: SOP-8 (Small Outline Package)

Essence: The IRU3034CS is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Input Voltage Range: 2.5V to 7V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 3A
• Dropout Voltage: 300mV at 3A
• Line Regulation: ±0.05%
• Load Regulation: ±0.1%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The IRU3034CS has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin
4. EN: Enable pin
5. VOUT: Output voltage pin
6. NC: No connection
7. NC: No connection
8. VIN: Input voltage pin

Functional Features

• High Efficiency: The IRU3034CS offers high efficiency, minimizing power loss and maximizing battery life.
• Low Dropout Voltage: With a low dropout voltage of only 300mV at 3A, it can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Adjustable Output Voltage: The output voltage 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: It includes thermal shutdown protection, preventing damage due to overheating.

Advantages and Disadvantages

Advantages: - High efficiency leads to 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 3A may not be suitable for high-power applications. - The SOP-8 package may require additional heat dissipation measures for certain scenarios.

Working Principles

The IRU3034CS operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB) with a reference voltage. By adjusting the resistance connected to the FB pin, the output voltage can be set within the specified range. The IC continuously monitors the input voltage and adjusts the internal circuitry to maintain a stable output voltage, even under varying load conditions.

Detailed Application Field Plans

The IRU3034CS is widely used in various electronic devices and systems that require a stable and regulated power supply. Some common application fields include:

1. Mobile Devices: Smartphones, tablets, portable media players.
2. Computer Peripherals: Printers, scanners, external hard drives.
3. Consumer Electronics: TVs, audio systems, gaming consoles.
4. Automotive Electronics: Infotainment systems, navigation devices, lighting control.
5. Industrial Equipment: Test and measurement instruments, automation systems.

Detailed and Complete Alternative Models

1. LM317: Adjustable voltage regulator with a maximum output current of 1.5A.
2. LT1086: Low dropout voltage regulator with adjustable output voltage and a maximum output current of 1.5A.
3. LM1117: Fixed output voltage regulator available in various voltage options with a maximum output current of 1A.
4. TPS7A4700: High-performance voltage regulator with low dropout voltage and a maximum output current of 1A.

These alternative models offer similar functionality and can be considered based on specific requirements and constraints.

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