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IR3523MTRPBF
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IR3523MTRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Wide input voltage range - Adjustable output voltage - Current limit protection - Thermal shutdown protection

Package: QFN (Quad Flat No-Lead)

Essence: The IR3523MTRPBF is a voltage regulator IC designed for various power management applications.

Packaging/Quantity: The IR3523MTRPBF is available in tape and reel packaging, with 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Output Voltage Range: 0.6V to 5.5V
  • Maximum Output Current: 20A
  • Efficiency: Up to 95%
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The IR3523MTRPBF has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. FB: Feedback pin for output voltage regulation
  4. EN: Enable pin for turning the regulator on/off
  5. SS: Soft-start pin for controlling the startup time
  6. PG: Power Good pin indicating the output voltage is within regulation limits
  7. VOUT: Output voltage pin
  8. COMP: Compensation pin for stability control
  9. BST: Bootstrap pin for driving the high-side MOSFET

Functional Features

  • Wide input voltage range allows operation in various power supply systems.
  • Adjustable output voltage provides flexibility for different applications.
  • High efficiency minimizes power loss and maximizes energy conversion.
  • Current limit protection prevents damage due to excessive current.
  • Thermal shutdown protection safeguards against overheating.

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption. - Wide input voltage range allows compatibility with different power sources. - Adjustable output voltage provides versatility for various devices. - Current limit and thermal shutdown protection enhance reliability.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - QFN package may require specialized equipment for soldering.

Working Principles

The IR3523MTRPBF operates as a synchronous buck converter. It regulates the output voltage by adjusting the duty cycle of the internal MOSFET switches. The feedback pin (FB) compares the output voltage with a reference voltage, and the control circuitry adjusts the duty cycle accordingly to maintain the desired output voltage.

Detailed Application Field Plans

The IR3523MTRPBF is commonly used in the following applications:

  1. Power supplies for computer systems
  2. Industrial automation equipment
  3. Telecommunications infrastructure
  4. Automotive electronics
  5. LED lighting systems

Detailed and Complete Alternative Models

  1. IR3524MTRPBF
  2. IR3525MTRPBF
  3. IR3526MTRPBF
  4. IR3527MTRPBF
  5. IR3528MTRPBF

These alternative models offer similar functionality and characteristics to the IR3523MTRPBF, providing options for different design requirements.

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技術ソリューションにおける IR3523MTRPBF 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。

Sure! Here are 10 common questions and answers related to the application of IR3523MTRPBF in technical solutions:

  1. Q: What is the IR3523MTRPBF? A: The IR3523MTRPBF is a highly integrated voltage regulator IC designed for use in various power management applications.

  2. Q: What is the input voltage range of the IR3523MTRPBF? A: The IR3523MTRPBF has an input voltage range of 4.5V to 21V, making it suitable for a wide range of power supply designs.

  3. Q: What is the output voltage range of the IR3523MTRPBF? A: The IR3523MTRPBF can provide an adjustable output voltage ranging from 0.6V to 5.5V, allowing flexibility in different system requirements.

  4. Q: What is the maximum output current capability of the IR3523MTRPBF? A: The IR3523MTRPBF can deliver up to 25A of continuous output current, making it suitable for high-power applications.

  5. Q: Does the IR3523MTRPBF support synchronous rectification? A: Yes, the IR3523MTRPBF features integrated synchronous rectification, which improves efficiency and reduces power losses.

  6. Q: Can the IR3523MTRPBF operate in a wide temperature range? A: Yes, the IR3523MTRPBF is designed to operate reliably in a temperature range of -40°C to 125°C, ensuring its suitability for various environments.

  7. Q: Does the IR3523MTRPBF have built-in protection features? A: Yes, the IR3523MTRPBF incorporates various protection features such as overcurrent protection, overvoltage protection, and thermal shutdown.

  8. Q: What type of control loop does the IR3523MTRPBF use? A: The IR3523MTRPBF utilizes a voltage mode control loop, which provides stable regulation and fast transient response.

  9. Q: Can the IR3523MTRPBF be used in multiphase configurations? A: Yes, the IR3523MTRPBF can be easily configured in multiphase operation to increase power delivery capability and reduce output ripple.

  10. Q: What package options are available for the IR3523MTRPBF? A: The IR3523MTRPBF is available in a compact 5mm x 6mm MLPQ-34 package, which offers good thermal performance and ease of PCB layout.

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