IRS4428STRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: The IRS4428STRPBF is a high-speed, low-side gate driver IC designed for use in various power applications. It provides efficient and reliable switching control for power MOSFETs and IGBTs.

Characteristics: - High-speed switching capability - Low input/output capacitance - Wide operating voltage range - Built-in protection features - Compact and robust package design

Package: The IRS4428STRPBF is available in a small outline integrated circuit (SOIC) package. This package offers excellent thermal performance and ease of handling during assembly.

Essence: The essence of the IRS4428STRPBF lies in its ability to provide precise and efficient control over power MOSFETs and IGBTs, enabling optimal performance in power applications.

Packaging/Quantity: The IRS4428STRPBF is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 10V to 20V
• Output Current: ±2A
• Input Logic Threshold: 3.3V, 5V
• Operating Temperature Range: -40°C to +125°C
• Rise/Fall Time: 15ns (typical)
• Propagation Delay: 75ns (typical)

Detailed Pin Configuration

The IRS4428STRPBF features an 8-pin SOIC package with the following pin configuration:

1. VCC: Power supply voltage input
2. IN: Logic input for controlling the gate driver
3. SD: Shutdown input for disabling the gate driver
4. LO: Low-side output for driving the low side of the power device
5. COM: Common ground connection
6. VS: Bootstrap supply voltage input
7. HO: High-side output for driving the high side of the power device
8. VB: High-side floating supply voltage input

Functional Features

• High-speed switching: The IRS4428STRPBF enables fast switching transitions, minimizing power losses and improving overall system efficiency.
• Built-in protection features: This IC incorporates various protection mechanisms such as under-voltage lockout (UVLO), over-current protection (OCP), and thermal shutdown to ensure safe operation and prevent damage to the power devices.
• Low input/output capacitance: The low capacitance of the IRS4428STRPBF reduces switching losses and improves system performance.
• Wide operating voltage range: With a wide supply voltage range, this gate driver can be used in a variety of applications.

Advantages and Disadvantages

Advantages: - High-speed switching capability enhances system efficiency. - Built-in protection features ensure safe operation. - Compact package design allows for easy integration into various applications. - Wide operating voltage range provides flexibility.

Disadvantages: - Limited output current may not be suitable for high-power applications. - Requires external bootstrap capacitor for proper operation.

Working Principles

The IRS4428STRPBF operates by receiving logic-level input signals and generating corresponding gate drive signals to control the power MOSFETs or IGBTs. It utilizes a bootstrap circuit to generate the necessary high-side gate drive voltage. The built-in protection features monitor various parameters to ensure safe operation and protect the power devices from damage.

Detailed Application Field Plans

The IRS4428STRPBF is commonly used in the following application fields:

1. Switching power supplies
2. Motor drives
3. Solar inverters
4. LED lighting systems
5. Industrial automation

Detailed and Complete Alternative Models

1. IRS4427STRPBF: Similar to IRS4428STRPBF but with higher output current capability.
2. IRS4426STRPBF: Low-side gate driver IC with similar characteristics to IRS4428STRPBF.
3. IRS4425STRPBF: High-speed, low-side gate driver IC with additional protection features.

These alternative models offer similar functionality and can be considered as substitutes for the IRS4428STRPBF in various applications.

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