IR3838MTRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency - Low power consumption - Compact size - Wide input voltage range - Overcurrent protection - Thermal shutdown protection

Package: TO-220AB

Essence: The IR3838MTRPBF is a power management IC designed for various applications requiring efficient power conversion and regulation.

Packaging/Quantity: The IR3838MTRPBF is available in a TO-220AB package and is typically sold in reels of 500 units.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 0.6V to 5.5V
• Maximum Continuous Output Current: 8A
• Switching Frequency: 300kHz to 1MHz
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The IR3838MTRPBF has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin
4. EN: Enable pin
5. SS/TR: Soft-start/Tracking pin
6. VCC: Supply voltage pin
7. PGND: Power ground pin
8. SW: Switching node pin

Functional Features

• Wide input voltage range allows for versatile applications.
• High efficiency ensures minimal power loss during operation.
• Overcurrent protection safeguards against excessive current flow.
• Thermal shutdown protection prevents overheating.
• Soft-start feature enables smooth startup and reduces inrush current.

Advantages

• Compact size makes it suitable for space-constrained designs.
• Wide input voltage range provides flexibility in different power supply scenarios.
• High efficiency reduces energy consumption and heat generation.
• Overcurrent protection enhances system reliability and protects connected devices.
• Thermal shutdown protection prevents damage due to excessive temperature.

Disadvantages

• Limited maximum continuous output current may not be suitable for high-power applications.
• The TO-220AB package may require additional cooling measures in certain situations.

Working Principles

The IR3838MTRPBF operates as a step-down (buck) converter, converting a higher input voltage to a lower output voltage. It utilizes pulse width modulation (PWM) to control the switching of the internal power MOSFET. This allows for efficient power conversion by adjusting the duty cycle of the switching signal.

Detailed Application Field Plans

The IR3838MTRPBF is commonly used in various applications, including but not limited to: - Power supplies for industrial equipment - Automotive electronics - Telecommunications equipment - Consumer electronics - LED lighting systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the IR3838MTRPBF are: - IR3847MTRPBF - IR3811MTRPBF - IR3899MTRPBF - IR3820MTRPBF

These models offer similar functionality and characteristics, providing options for different design requirements.

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