Infineon Technologies
Das Bild kann eine Darstellung sein.
Siehe Spezifikationen für Produktdetails.
IR3846MTRPBF
Im Detail sehen Datenblätter

IR3846MTRPBF

Introduction

The IR3846MTRPBF is a high-performance synchronous buck controller designed for various power supply applications. This entry provides an overview of the product, including its category, use, characteristics, package, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Overview

  • Category: Power Management ICs
  • Use: The IR3846MTRPBF is used as a synchronous buck controller in power supply applications.
  • Characteristics: It features high efficiency, fast transient response, and programmable switching frequency.
  • Package: The IR3846MTRPBF is available in a compact and thermally enhanced 5x7 PQFN package.
  • Essence: Its essence lies in providing efficient and reliable power management solutions.
  • Packaging/Quantity: The product is typically supplied in reels with a specific quantity per reel.

Specifications

  • Input Voltage Range: 4.5V to 21V
  • Output Voltage Range: 0.6V to 99% of VIN
  • Switching Frequency: Programmable up to 1MHz
  • Operating Temperature Range: -40°C to 125°C
  • Control Interface: PMBus/I2C compatible

Detailed Pin Configuration

The IR3846MTRPBF features a comprehensive pin configuration that includes key pins such as VIN, VOUT, FB, COMP, EN, and more. A detailed pinout diagram can be found in the product datasheet.

Functional Features

  • High Efficiency: The controller offers high efficiency, contributing to energy savings and reduced heat dissipation.
  • Fast Transient Response: It provides a rapid response to load changes, ensuring stable output voltage under dynamic conditions.
  • Programmable Switching Frequency: The ability to program the switching frequency allows flexibility in optimizing performance and efficiency.

Advantages and Disadvantages

  • Advantages:
    • High efficiency
    • Fast transient response
    • Programmable switching frequency
    • Compact package size
  • Disadvantages:
    • Limited to specific power supply applications
    • Requires careful consideration of external components for optimal performance

Working Principles

The IR3846MTRPBF operates based on the principle of synchronous buck conversion, where it efficiently steps down the input voltage to the desired output voltage using synchronous rectification and control algorithms.

Detailed Application Field Plans

The IR3846MTRPBF finds extensive application in various fields, including: - Server power supplies - Telecom and networking equipment - Industrial power systems - Automotive power modules

Detailed and Complete Alternative Models

Some alternative models to the IR3846MTRPBF include: - IR38164MTRPBF - IR3899MTRPBF - IR38060MTRPBF - IR38372MTRPBF

In conclusion, the IR3846MTRPBF is a versatile and efficient synchronous buck controller suitable for a wide range of power supply applications, offering high performance and flexibility in a compact package.

[Word Count: 411]

Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von IR3846MTRPBF in technischen Lösungen auf

  1. What is the IR3846MTRPBF?

    • The IR3846MTRPBF is a synchronous buck voltage regulator IC designed for high-efficiency power supply applications.

  2. What is the input voltage range of the IR3846MTRPBF?

    • The input voltage range of the IR3846MTRPBF is typically 4.5V to 14V.

  3. What is the output current capability of the IR3846MTRPBF?

    • The IR3846MTRPBF can deliver up to 25A of continuous output current.

  4. What is the switching frequency of the IR3846MTRPBF?

    • The switching frequency of the IR3846MTRPBF is adjustable from 300kHz to 1.5MHz.

  5. What are the key features of the IR3846MTRPBF?

    • The key features of the IR3846MTRPBF include integrated MOSFETs, programmable soft-start, precision enable, and thermal monitoring.

  6. What are the typical applications of the IR3846MTRPBF?

    • The IR3846MTRPBF is commonly used in point-of-load (POL) converters, servers, storage equipment, and networking devices.

  7. What is the efficiency of the IR3846MTRPBF?

    • The IR3846MTRPBF offers high efficiency, typically over 95% at full load.

  8. What protection features does the IR3846MTRPBF offer?

    • The IR3846MTRPBF provides overcurrent protection, overvoltage protection, and thermal shutdown to ensure reliable operation.

  9. How is the IR3846MTRPBF controlled?

    • The IR3846MTRPBF can be controlled using an external voltage or through its PMBus interface for digital control and monitoring.

  10. What are the recommended external components for the IR3846MTRPBF?

    • The recommended external components for the IR3846MTRPBF include input and output capacitors, inductors, and resistors for setting various parameters such as switching frequency and soft-start time.