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MIC4428ZN
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MIC4428ZN

Product Overview

Category: Integrated Circuit
Use: MOSFET Driver
Characteristics: High-speed, high-current, low-side driver
Package: 8-pin PDIP, SOIC, and DFN
Essence: Efficiently drive MOSFETs in various applications
Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Supply Voltage: 4.5V to 18V
  • Output Current: 1.5A peak
  • Propagation Delay: 25ns
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. IN - Input
  2. GND - Ground
  3. VDD - Supply Voltage
  4. LO - Low-Side Output
  5. COM - Common
  6. HO - High-Side Output
  7. VBS - Bootstrap Supply Voltage
  8. VS - High-Side Floating Supply Voltage

Functional Features

  • High-speed switching
  • Wide supply voltage range
  • Low output impedance
  • Thermal shutdown protection
  • Shoot-through protection

Advantages and Disadvantages

Advantages: - Fast switching speed - Wide operating voltage range - Built-in protection features

Disadvantages: - Higher cost compared to basic drivers - Requires external bootstrap components

Working Principles

The MIC4428ZN is designed to efficiently drive MOSFETs in various applications by providing high-speed, high-current pulses to the gate of the MOSFET. It utilizes a bootstrap supply voltage to ensure efficient high-side switching.

Detailed Application Field Plans

  • Motor control systems
  • Switch-mode power supplies
  • Class D audio amplifiers
  • LED lighting systems
  • DC-DC converters

Detailed and Complete Alternative Models

  1. MIC4427: Lower output current but similar features
  2. MIC4422: Lower output current and slower switching speed
  3. TC4427: Comparable specifications and performance

This comprehensive entry provides an in-depth understanding of the MIC4428ZN, covering its specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

Liste 10 perguntas e respostas comuns relacionadas à aplicação de MIC4428ZN em soluções técnicas

  1. What is the MIC4428ZN?

    • The MIC4428ZN is a high-speed, low-side MOSFET driver designed to drive large capacitive loads with high slew rates and low propagation delay.

  2. What is the maximum supply voltage for the MIC4428ZN?

    • The maximum supply voltage for the MIC4428ZN is 18V.

  3. What is the typical output current capability of the MIC4428ZN?

    • The typical output current capability of the MIC4428ZN is 1.5A.

  4. What is the input logic threshold for the MIC4428ZN?

    • The input logic threshold for the MIC4428ZN is typically 2.5V.

  5. Can the MIC4428ZN be used to drive both N-channel and P-channel MOSFETs?

    • Yes, the MIC4428ZN can be used to drive both N-channel and P-channel MOSFETs.

  6. What is the operating temperature range of the MIC4428ZN?

    • The operating temperature range of the MIC4428ZN is typically -40°C to 125°C.

  7. Does the MIC4428ZN have built-in shoot-through protection?

    • Yes, the MIC4428ZN has built-in shoot-through protection to prevent simultaneous conduction of the high-side and low-side output transistors.

  8. What is the typical propagation delay of the MIC4428ZN?

    • The typical propagation delay of the MIC4428ZN is 25ns.

  9. Can the MIC4428ZN be used in motor control applications?

    • Yes, the MIC4428ZN is suitable for motor control applications due to its high-speed and high-current capabilities.

  10. Is the MIC4428ZN available in a surface-mount package?

    • Yes, the MIC4428ZN is available in a surface-mount SOIC-8 package for easy integration into PCB designs.