FAN3224CMX

Product Overview

Category

The FAN3224CMX belongs to the category of high-speed, dual-channel gate drivers.

Use

It is used to drive N-channel MOSFETs and IGBTs in various applications such as motor drives, power supplies, and Class D amplifiers.

Characteristics

• High-speed operation
• Wide operating voltage range
• Low propagation delay
• Matched rise and fall times
• Low output impedance
• Under-voltage lockout protection

Package

The FAN3224CMX is available in a compact 8-pin SOIC package.

Essence

This gate driver is essential for efficiently controlling power semiconductor devices in high-frequency switching applications.

Packaging/Quantity

The FAN3224CMX is typically packaged in reels with a quantity of 2500 units per reel.

Specifications

• Operating Voltage Range: 9V to 18V
• Output Current: 2A peak
• Propagation Delay: 15ns (typical)
• Rise/Fall Times: 10ns/7ns (typical)
• Operating Temperature Range: -40°C to 125°C
• Input Logic Compatibility: 3.3V and 5V CMOS compatible

Detailed Pin Configuration

1. VDD: Power supply for the high-side gate driver
2. HO: High-side gate driver output
3. HS: High-side gate driver source
4. HB: High-side gate driver bootstrap supply
5. LIN: Low-side gate driver input
6. GND: Ground
7. LB: Low-side gate driver bootstrap supply
8. LO: Low-side gate driver output

Functional Features

• Dual independent inputs for driving high-side and low-side gates
• Bootstrap diode and capacitor integrated for high-side drive
• Under-voltage lockout protection for both channels
• Matched propagation delays for dual outputs

Advantages and Disadvantages

Advantages

• High-speed operation suitable for high-frequency applications
• Wide operating voltage range allows flexibility in design
• Low output impedance ensures efficient switching
• Integrated bootstrap diode and capacitor simplify circuit design

Disadvantages

• Requires external bootstrap diode and capacitor for high-side drive
• Limited to a maximum output current of 2A

Working Principles

The FAN3224CMX operates by receiving input signals from a control circuit and using them to drive the gates of N-channel MOSFETs or IGBTs. The high-side gate driver utilizes a bootstrap supply to provide the necessary voltage for driving the high-side switch efficiently. The device incorporates under-voltage lockout protection to prevent improper operation during low supply voltage conditions.

Detailed Application Field Plans

The FAN3224CMX is well-suited for use in the following applications: - Motor drives - Switch-mode power supplies - Class D audio amplifiers - DC-DC converters - Inverters

Detailed and Complete Alternative Models

Some alternative models to the FAN3224CMX include: - FAN3225CMX - IRS21844S - MCP14A0455

In conclusion, the FAN3224CMX is a high-speed, dual-channel gate driver that offers efficient and reliable control of power semiconductor devices in various high-frequency applications.

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