IRU1205-30CLTRP

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Input Voltage Range: 4.75V to 23V - Output Voltage: 3.0V - Output Current: 5A - Package Type: CLP (Compact Leadless Package) - Essence: High-efficiency synchronous buck regulator

Packaging/Quantity: The IRU1205-30CLTRP is available in tape and reel packaging, with 250 units per reel.

Specifications

The specifications of the IRU1205-30CLTRP are as follows:

• Input Voltage Range: 4.75V to 23V
• Output Voltage: 3.0V ±2%
• Output Current: 5A
• Efficiency: Up to 95%
• Switching Frequency: 300kHz
• Operating Temperature Range: -40°C to +85°C
• Protection Features: Overcurrent protection, thermal shutdown, undervoltage lockout

Pin Configuration

The IRU1205-30CLTRP has the following pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. FB: Feedback pin for output voltage regulation
4. EN: Enable pin for turning the regulator on/off
5. SW: Switching node for connecting the inductor and output capacitor
6. PGND: Power ground
7. VOUT: Output voltage

Functional Features

The IRU1205-30CLTRP offers the following functional features:

• High efficiency: The synchronous buck regulator design ensures efficient power conversion.
• Wide input voltage range: Can accept input voltages from 4.75V to 23V, making it suitable for various applications.
• Overcurrent protection: Safeguards the circuit by limiting the output current in case of a fault.
• Thermal shutdown: Prevents overheating by shutting down the regulator when the temperature exceeds a certain threshold.
• Undervoltage lockout: Ensures proper operation by disabling the regulator when the input voltage falls below a specified level.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power dissipation and improved energy savings. - Wide input voltage range allows for flexibility in different applications. - Overcurrent protection enhances system reliability and protects connected devices. - Thermal shutdown prevents damage due to excessive heat. - Undervoltage lockout ensures stable operation even during low input voltage conditions.

Disadvantages: - Limited output voltage options, with only 3.0V available. - Higher cost compared to non-synchronous buck regulators. - Requires external components such as inductors and capacitors for proper operation.

Working Principles

The IRU1205-30CLTRP operates based on the principle of a synchronous buck regulator. It uses a high-frequency switching transistor to convert the input voltage into a regulated output voltage. The feedback mechanism continuously monitors the output voltage and adjusts the duty cycle of the switching transistor to maintain a stable output. By utilizing synchronous rectification, the regulator achieves higher efficiency compared to traditional linear regulators.

Detailed Application Field Plans

The IRU1205-30CLTRP is suitable for various applications, including but not limited to:

1. Power supplies for computer peripherals
2. Industrial automation systems
3. Telecommunications equipment
4. Consumer electronics
5. Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the IRU1205-30CLTRP are:

1. LM2596-ADJ: Adjustable output voltage buck regulator
2. LT1763-3.3: Low dropout voltage regulator with fixed 3.3V output
3. TPS5430: High-efficiency synchronous buck converter with adjustable output voltage

These alternative models can be considered based on specific requirements and design constraints.

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