MIC4428CN

Product Overview

• Category: Integrated Circuit
• Use: Power MOSFET Driver
• Characteristics: High-Speed, Low-Side, Non-Inverting
• Package: PDIP-8 (Plastic Dual In-Line Package)
• Essence: The MIC4428CN is a high-speed, non-inverting power MOSFET driver designed to drive N-channel enhancement-mode MOSFETs in high-frequency applications.
• Packaging/Quantity: The MIC4428CN is available in a tube packaging with 25 units per tube.

Specifications

• Supply Voltage: 4.5V to 18V
• Output Current: 1.5A (peak), 0.5A (continuous)
• Propagation Delay: 25ns (typical)
• Rise/Fall Time: 15ns (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC4428CN has a total of 8 pins arranged as follows:

___________ | | 1 | 2 3 4 | 8 |___________| | | 7 | 6 5 | |_________|

1. VDD: Supply Voltage
2. IN: Input Signal
3. LO: Low-Side Output
4. HO: High-Side Output
5. NC: No Connection
6. NC: No Connection
7. GND: Ground
8. VDD: Supply Voltage

Functional Features

• High-Speed Operation: The MIC4428CN offers fast switching times, allowing for efficient control of power MOSFETs in high-frequency applications.
• Non-Inverting Configuration: The driver provides a non-inverting output, ensuring proper phase relationship between the input and output signals.
• Low-Side Driver: The MIC4428CN is specifically designed to drive the low-side of power MOSFETs.

Advantages

• High-Speed Operation enables efficient switching of power MOSFETs in high-frequency applications.
• Non-Inverting Configuration ensures proper phase relationship between input and output signals.
• Low-Side Driver design allows for easy integration into various circuit configurations.

Disadvantages

• Limited Output Current: The MIC4428CN has a maximum continuous output current of 0.5A, which may not be sufficient for certain high-power applications.
• Restricted Temperature Range: The operating temperature range of -40°C to +125°C may limit its use in extreme temperature environments.

Working Principles

The MIC4428CN operates by receiving an input signal (IN) and amplifying it to drive the gate of an N-channel enhancement-mode MOSFET. The amplified signal is provided at the low-side output (LO), allowing for efficient control of the MOSFET's conduction state.

Application Field Plans

The MIC4428CN is commonly used in the following applications:

1. Switching Power Supplies
2. Motor Control Systems
3. LED Lighting Systems
4. DC-DC Converters
5. Audio Amplifiers

Alternative Models

Here are some alternative models that can be considered as substitutes for the MIC4428CN:

1. IR2110
2. TC4427
3. MAX4428
4. HIP4081A
5. LTC4440

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

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