MIC4451BN

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power MOSFET and IGBT driver
• Characteristics: High-speed, high-current, low-side driver
• Package: DIP-8 (Dual Inline Package)
• Essence: Efficiently drive power switches in various applications
• Packaging/Quantity: Tube packaging, 50 units per tube

Specifications

• Supply Voltage: 4.5V to 18V
• Output Current: 1.2A peak, 0.6A continuous
• Input Logic Compatibility: CMOS, TTL
• Propagation Delay: 25ns (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

MIC4451BN follows the standard DIP-8 pin configuration:

1. VDD: Supply voltage input
2. IN: Input logic signal
3. GND: Ground reference
4. LO: Low-side output
5. COM: Common connection for LO and HO outputs
6. HO: High-side output
7. VS: Bootstrap supply voltage
8. VB: High-side floating supply voltage

Functional Features

• High-speed switching capability
• High-current driving capability
• Low-side and high-side outputs for driving power switches
• Bootstrap supply voltage for high-side driver
• Wide operating temperature range
• Compatible with CMOS and TTL logic levels

Advantages and Disadvantages

Advantages: - Fast propagation delay ensures quick response time - High output current allows driving of power MOSFETs and IGBTs - Versatile compatibility with different logic levels - Wide operating temperature range enables use in extreme conditions

Disadvantages: - Limited output current compared to some specialized drivers - Requires external bootstrap capacitor for high-side driver operation

Working Principles

MIC4451BN is designed to efficiently drive power switches such as MOSFETs and IGBTs. It utilizes a low-side and high-side driver configuration to control the switching of these devices. The input logic signal determines the state of the outputs, which are capable of sourcing or sinking high currents. The bootstrap supply voltage ensures proper operation of the high-side driver.

Detailed Application Field Plans

MIC4451BN finds applications in various fields including: - Motor control systems - Switching power supplies - DC-DC converters - Inverters - LED lighting systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to MIC4451BN are: - IR2110 - TC4427 - MAX4420 - HIP4081A - IRS21844

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

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