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IR21844PBF
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IR21844PBF

Product Overview

Category: Integrated Circuit
Use: Driver IC for high-speed power MOSFET and IGBT
Characteristics: High voltage, high speed, and high current driver
Package: PDIP-8, SOIC-8, DFN-8
Essence: Power management
Packaging/Quantity: Tube/50 units, Tape & Reel/2500 units

Specifications

  • Supply Voltage: 10V to 20V
  • Output Current: 2A peak
  • Propagation Delay: 120ns
  • Operating Temperature: -40°C to 150°C
  • Isolation Voltage: 2500Vrms

Detailed Pin Configuration

  1. VB
  2. HO
  3. LO
  4. VS
  5. COM
  6. SD
  7. IN
  8. VCC

Functional Features

  • High and low side output in-phase with input
  • Floating channel designed for bootstrap operation
  • Under-voltage lockout for both channels
  • 3.3V and 5V input logic compatible

Advantages

  • High voltage range
  • Fast switching speed
  • Suitable for driving power MOSFETs and IGBTs

Disadvantages

  • Limited output current compared to some alternatives
  • Relatively high propagation delay

Working Principles

The IR21844PBF is a high voltage, high speed, and high current driver IC designed to control power MOSFETs and IGBTs in various applications. It utilizes a floating channel to enable bootstrap operation and features under-voltage lockout for added protection.

Detailed Application Field Plans

The IR21844PBF is commonly used in motor drives, solar inverters, UPS systems, and welding equipment due to its ability to efficiently drive power switches in these applications.

Detailed and Complete Alternative Models

  • IR2184: Similar specifications and functionality
  • IRS21844S: Higher output current, lower propagation delay

This comprehensive entry provides an in-depth understanding of the IR21844PBF, covering its product details, specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.

技術ソリューションにおける IR21844PBF の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is IR21844PBF?

    • IR21844PBF is a high voltage, high speed power MOSFET and IGBT driver with independent high and low side referenced output channels.

  2. What is the maximum voltage rating of IR21844PBF?

    • The maximum voltage rating of IR21844PBF is typically around 600V.

  3. What is the typical application of IR21844PBF?

    • IR21844PBF is commonly used in applications such as motor drives, solar inverters, and UPS systems.

  4. What is the maximum operating frequency of IR21844PBF?

    • The maximum operating frequency of IR21844PBF is typically in the range of tens of kHz to a few MHz.

  5. What are the key features of IR21844PBF?

    • Some key features of IR21844PBF include undervoltage lockout for both channels, matched propagation delay for both channels, and shutdown function.

  6. What is the recommended operating temperature range for IR21844PBF?

    • The recommended operating temperature range for IR21844PBF is usually between -40°C to 125°C.

  7. Does IR21844PBF have built-in dead time control?

    • Yes, IR21844PBF has a built-in dead time control to prevent shoot-through in the inverter bridge.

  8. Can IR21844PBF be used in half-bridge configurations?

    • Yes, IR21844PBF can be used in half-bridge configurations by using one channel as the high side driver and the other as the low side driver.

  9. What is the input logic voltage level for IR21844PBF?

    • The input logic voltage level for IR21844PBF is typically CMOS/TTL compatible.

  10. Is there any specific layout or PCB design consideration for using IR21844PBF?

    • Yes, it is important to consider proper ground connections, minimize trace lengths, and provide adequate decoupling capacitors for optimal performance when using IR21844PBF in a PCB design.