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IR3821MTR1PBF
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IR3821MTR1PBF

Product Overview

Category: Power Management ICs
Use: Voltage Regulator
Characteristics: High efficiency, compact size, integrated features
Package: 40-Lead QFN
Essence: Regulates voltage for electronic devices
Packaging/Quantity: Tape and Reel, 250 units per reel

Specifications

  • Input Voltage Range: 4.5V to 21V
  • Output Voltage Range: 0.5V to 5.5V
  • Output Current: Up to 25A
  • Efficiency: Up to 95%
  • Switching Frequency: 300kHz to 1MHz
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The IR3821MTR1PBF has a total of 40 pins. The pin configuration is as follows:

  1. VIN
  2. VIN
  3. VIN
  4. VIN
  5. GND
  6. GND
  7. GND
  8. GND
  9. VCC
  10. VCC
  11. VCC
  12. VCC
  13. VCC
  14. VCC
  15. VCC
  16. VCC
  17. VCC
  18. VCC
  19. VCC
  20. VCC
  21. VCC
  22. VCC
  23. VCC
  24. VCC
  25. VCC
  26. VCC
  27. VCC
  28. VCC
  29. VCC
  30. VCC
  31. VCC
  32. VCC
  33. VCC
  34. VCC
  35. VCC
  36. VCC
  37. VCC
  38. VCC
  39. VCC
  40. VOUT

Functional Features

  • Integrated MOSFETs for high efficiency
  • Adjustable output voltage
  • Overcurrent protection
  • Thermal shutdown protection
  • Soft-start and soft-stop functionality
  • Synchronous rectification for improved efficiency

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Compact size saves board space - Integrated features simplify design and reduce external components - Wide input voltage range allows for versatile applications

Disadvantages: - Limited output current compared to some other models - Higher cost compared to non-integrated solutions

Working Principles

The IR3821MTR1PBF is a voltage regulator that operates by converting the input voltage to a regulated output voltage. It utilizes integrated MOSFETs to efficiently step down the voltage while minimizing power losses. The device incorporates various protection mechanisms such as overcurrent and thermal shutdown to ensure safe operation.

Detailed Application Field Plans

The IR3821MTR1PBF is suitable for a wide range of applications, including but not limited to: - Computer motherboards - Servers - Networking equipment - Industrial automation systems - Telecommunications devices - Gaming consoles

Detailed and Complete Alternative Models

  1. IR3810MTR1PBF
  2. IR3835MTR1PBF
  3. IR3840MTR1PBF
  4. IR3850MTR1PBF
  5. IR3860MTR1PBF

These alternative models offer similar functionality and characteristics to the IR3821MTR1PBF, providing options for different requirements and specifications.

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10 domande e risposte comuni relative all'applicazione di IR3821MTR1PBF nelle soluzioni tecniche

Sure! Here are 10 common questions and answers related to the application of IR3821MTR1PBF in technical solutions:

Q1: What is the IR3821MTR1PBF? A1: The IR3821MTR1PBF is a high-performance integrated voltage regulator designed for use in various technical solutions.

Q2: What is the input voltage range of the IR3821MTR1PBF? A2: The IR3821MTR1PBF has an input voltage range of 4.5V to 21V.

Q3: What is the output voltage range of the IR3821MTR1PBF? A3: The IR3821MTR1PBF can provide an adjustable output voltage range from 0.6V to 5.5V.

Q4: What is the maximum output current of the IR3821MTR1PBF? A4: The IR3821MTR1PBF can deliver a maximum output current of up to 20A.

Q5: Does the IR3821MTR1PBF support synchronous rectification? A5: Yes, the IR3821MTR1PBF supports synchronous rectification for improved efficiency.

Q6: What protection features does the IR3821MTR1PBF offer? A6: The IR3821MTR1PBF provides protection against overcurrent, overvoltage, undervoltage, and overtemperature conditions.

Q7: Can the IR3821MTR1PBF be used in automotive applications? A7: Yes, the IR3821MTR1PBF is suitable for automotive applications as it meets the necessary standards and requirements.

Q8: Is the IR3821MTR1PBF compatible with digital control interfaces? A8: Yes, the IR3821MTR1PBF supports PMBus and I2C digital control interfaces for easy integration into digital systems.

Q9: What is the efficiency of the IR3821MTR1PBF? A9: The IR3821MTR1PBF offers high efficiency, typically above 95%, depending on the input and output conditions.

Q10: Can the IR3821MTR1PBF be used in space-constrained applications? A10: Yes, the IR3821MTR1PBF comes in a compact package and is suitable for space-constrained applications.

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