IR2170

Product Overview

Category: Integrated Circuit (IC)

Use: The IR2170 is a versatile IC primarily used for power management applications. It is designed to control and regulate the flow of electrical power in various electronic devices.

Characteristics: - High efficiency - Low power consumption - Compact size - Wide input voltage range - Robust protection features

Package: The IR2170 is available in a compact and durable package, ensuring easy integration into electronic circuits. It is commonly found in a standard 8-pin dual in-line package (DIP).

Essence: The essence of the IR2170 lies in its ability to efficiently manage power flow, providing stable and reliable operation for electronic devices.

Packaging/Quantity: The IR2170 is typically sold in reels or tubes containing a quantity of 1000 units per package.

Specifications

The IR2170 offers the following specifications:

• Input Voltage Range: 4.5V to 40V
• Output Voltage Range: 1.2V to 37V
• Maximum Output Current: 2A
• Quiescent Current: 10mA
• Switching Frequency: 500kHz
• Operating Temperature Range: -40°C to 85°C

Pin Configuration

The IR2170 features an 8-pin dual in-line package (DIP) with the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. FB (Feedback)
4. EN (Enable)
5. SW (Switch)
6. COMP (Compensation)
7. VOUT (Output Voltage)
8. NC (No Connection)

Functional Features

The IR2170 incorporates several functional features, including:

• Overvoltage protection
• Undervoltage lockout
• Thermal shutdown protection
• Current limit protection
• Soft-start functionality
• Adjustable output voltage

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input voltage range allows for versatile applications - Robust protection features ensure device safety - Compact size enables easy integration into circuits

Disadvantages: - Limited maximum output current (2A) - Requires external components for certain functionalities

Working Principles

The IR2170 operates based on a switching regulator principle. It utilizes pulse-width modulation (PWM) techniques to regulate the output voltage. By rapidly switching the internal power transistor, it efficiently converts the input voltage to the desired output voltage while maintaining stability.

Application Field Plans

The IR2170 finds extensive application in various fields, including:

1. Power supplies for consumer electronics
2. Automotive electronics
3. Industrial automation systems
4. Renewable energy systems
5. Battery charging circuits

Alternative Models

For alternative options, consider the following models that offer similar functionality to the IR2170:

1. IR2180
2. LM2576
3. LT1170
4. MC34063

These models provide comparable features and can be used as substitutes depending on specific requirements.

In conclusion, the IR2170 is a highly efficient and versatile integrated circuit designed for power management applications. With its compact size, robust protection features, and wide input voltage range, it offers reliable performance in various electronic devices.