Infineon Technologies
圖片可能僅供參考。
有關產品詳細信息，請參閱規格。
IR3843AMTRPBF
詳情 數據表

IR3843AMTRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Wide input voltage range - Adjustable output voltage - Current limit protection - Over-temperature protection

Package: Surface Mount Device (SMD)

Essence: The IR3843AMTRPBF is a voltage regulator IC designed for efficient power management in various electronic devices.

Packaging/Quantity: The IR3843AMTRPBF is available in tape and reel packaging, with 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 60V
  • Output Voltage Range: 0.8V to 15V
  • Maximum Output Current: 3A
  • Switching Frequency: 300kHz to 1MHz
  • Operating Temperature Range: -40°C to +125°C

Pin Configuration

The IR3843AMTRPBF has the following pin configuration:

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. COMP (Compensation)
  4. FB (Feedback)
  5. VCC (Voltage Control)
  6. BOOT (Bootstrap)
  7. HO (High-Side Gate Driver Output)
  8. LO (Low-Side Gate Driver Output)

Functional Features

  • Integrated high-side and low-side gate drivers
  • Adaptive dead-time control
  • Programmable soft-start
  • Over-current protection
  • Over-temperature protection
  • Under-voltage lockout

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input voltage range allows for versatile applications - Adjustable output voltage provides flexibility - Comprehensive protection features ensure device safety

Disadvantages: - Limited maximum output current may restrict usage in high-power applications - Switching frequency range may not be suitable for all designs

Working Principles

The IR3843AMTRPBF operates as a voltage regulator by converting the input voltage to a regulated output voltage. It utilizes a high-side and low-side gate driver to control the switching of an external power MOSFET. The integrated circuit incorporates various protection mechanisms to ensure safe operation under different conditions.

Detailed Application Field Plans

The IR3843AMTRPBF is commonly used in the following applications:

  1. Power supplies for industrial equipment
  2. Automotive electronics
  3. Telecommunications systems
  4. LED lighting
  5. Battery charging circuits

Alternative Models

Some alternative models that can be considered as alternatives to the IR3843AMTRPBF are:

  1. LM2576-ADJ
  2. LT1084CP-ADJ
  3. TPS5430DDAR
  4. MAX5033DASA
  5. MC34063ADR

These models offer similar functionality and can be suitable replacements depending on specific requirements.

Word count: 314 words

10個與IR3843AMTRPBF在技術方案中應用相關的常見問題與解答

Sure! Here are 10 common questions and answers related to the application of IR3843AMTRPBF in technical solutions:

  1. Q: What is the IR3843AMTRPBF? A: The IR3843AMTRPBF is a synchronous buck converter IC (integrated circuit) designed for high-efficiency power conversion applications.

  2. Q: What is the input voltage range of the IR3843AMTRPBF? A: The IR3843AMTRPBF has an input voltage range of 4.5V to 21V.

  3. Q: What is the output voltage range of the IR3843AMTRPBF? A: The IR3843AMTRPBF can provide an adjustable output voltage range from 0.6V to 12V.

  4. Q: What is the maximum output current of the IR3843AMTRPBF? A: The IR3843AMTRPBF can deliver a maximum output current of 3A.

  5. Q: What is the switching frequency of the IR3843AMTRPBF? A: The IR3843AMTRPBF operates at a fixed switching frequency of 300kHz.

  6. Q: Does the IR3843AMTRPBF have built-in protection features? A: Yes, the IR3843AMTRPBF includes various protection features such as overcurrent protection, overvoltage protection, and thermal shutdown.

  7. Q: Can the IR3843AMTRPBF be used in automotive applications? A: Yes, the IR3843AMTRPBF is suitable for automotive applications as it meets the AEC-Q100 automotive qualification standards.

  8. Q: What type of package does the IR3843AMTRPBF come in? A: The IR3843AMTRPBF is available in a compact 16-pin MLPQ package.

  9. Q: Can the IR3843AMTRPBF operate in a wide temperature range? A: Yes, the IR3843AMTRPBF has an extended operating temperature range of -40°C to 125°C.

  10. Q: What are some typical applications of the IR3843AMTRPBF? A: The IR3843AMTRPBF is commonly used in various power supply applications such as industrial equipment, telecommunication systems, and consumer electronics.

Please note that these answers are general and may vary depending on specific design considerations and requirements.