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LTC3787MPUFD#PBF

LTC3787MPUFD#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High Efficiency - Wide Input Voltage Range - Multiple Output Configurations - Programmable Soft-Start - Fault Protection Features

Package: QFN-38

Essence: The LTC3787MPUFD#PBF is a high-performance power management IC designed for various applications requiring efficient power conversion and management.

Packaging/Quantity: The LTC3787MPUFD#PBF is available in a QFN-38 package. It is sold individually or in reels of 2500 units.

Specifications

  • Input Voltage Range: 4V to 60V
  • Output Voltage Range: 0.8V to 60V
  • Maximum Continuous Output Current: 20A
  • Switching Frequency: Up to 2MHz
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC3787MPUFD#PBF features a total of 38 pins. Here is a detailed pin configuration:

  1. VIN: Input voltage
  2. GND: Ground
  3. VCC: Supply voltage
  4. SS/TRK: Soft-start/Tracking control
  5. FB1: Feedback input for output 1
  6. FB2: Feedback input for output 2
  7. FB3: Feedback input for output 3
  8. FB4: Feedback input for output 4
  9. SYNC/MODE: Synchronization/MODE selection
  10. CLKOUT: Clock output
  11. PGND: Power ground
  12. SW1: Switch node for output 1
  13. SW2: Switch node for output 2
  14. SW3: Switch node for output 3
  15. SW4: Switch node for output 4
  16. VOUT1: Output voltage for output 1
  17. VOUT2: Output voltage for output 2
  18. VOUT3: Output voltage for output 3
  19. VOUT4: Output voltage for output 4
  20. SS/TRK1: Soft-start/Tracking control for output 1
  21. SS/TRK2: Soft-start/Tracking control for output 2
  22. SS/TRK3: Soft-start/Tracking control for output 3
  23. SS/TRK4: Soft-start/Tracking control for output 4
  24. PGND: Power ground
  25. VIN: Input voltage
  26. GND: Ground
  27. VCC: Supply voltage
  28. SS/TRK: Soft-start/Tracking control
  29. FB1: Feedback input for output 1
  30. FB2: Feedback input for output 2
  31. FB3: Feedback input for output 3
  32. FB4: Feedback input for output 4
  33. SYNC/MODE: Synchronization/MODE selection
  34. CLKOUT: Clock output
  35. PGND: Power ground
  36. SW1: Switch node for output 1
  37. SW2: Switch node for output 2
  38. SW3: Switch node for output 3

Functional Features

  • Wide input voltage range allows for versatile applications.
  • High efficiency ensures minimal power loss during conversion.
  • Multiple output configurations provide flexibility in power distribution.
  • Programmable soft-start feature enables controlled startup of the system.
  • Fault protection features safeguard against overcurrent, overvoltage, and overtemperature conditions.

Advantages and Disadvantages

Advantages: - High efficiency results in energy savings. - Wide input voltage range accommodates various power sources. - Multiple output configurations offer flexibility in system design. - Programmable soft-start enhances system reliability. - Fault protection features ensure system safety.

Disadvantages: - Limited maximum continuous output current (20A). - Requires careful consideration of thermal management due to high power dissipation.

Working Principles

The LTC3787MPUFD#PBF operates based on a switching regulator topology. It utilizes high-frequency switching to efficiently convert input voltage to the desired output voltage. The IC incorporates control circuitry, power MOSFETs, and other components to regulate the output voltage and provide necessary protection features.

Detailed Application Field Plans

The LTC3787MPUFD#PBF finds applications in various fields, including but not limited to: 1. Industrial automation systems 2. Automotive electronics 3. Telecommunications equipment 4. Renewable energy systems 5. Power distribution systems 6. Battery charging systems 7. LED lighting systems

Detailed and Complete Alternative Models

  1. LTC3787MPUFD#TRPBF
  2. LTC3787MPUFD#TRMPBF
  3. LTC3787MPUFD#TR

רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של LTC3787MPUFD#PBF בפתרונות טכניים

Sure! Here are 10 common questions and answers related to the application of LTC3787MPUFD#PBF in technical solutions:

  1. Q: What is LTC3787MPUFD#PBF? A: LTC3787MPUFD#PBF is a high-performance synchronous buck-boost DC/DC controller IC.

  2. Q: What is the input voltage range supported by LTC3787MPUFD#PBF? A: LTC3787MPUFD#PBF supports an input voltage range from 4V to 60V.

  3. Q: What is the output voltage range supported by LTC3787MPUFD#PBF? A: LTC3787MPUFD#PBF can generate output voltages ranging from 0.8V to 60V.

  4. Q: What is the maximum output current that LTC3787MPUFD#PBF can handle? A: LTC3787MPUFD#PBF can handle a maximum output current of up to 20A.

  5. Q: Can LTC3787MPUFD#PBF be used for battery charging applications? A: Yes, LTC3787MPUFD#PBF can be used for battery charging applications due to its buck-boost capability.

  6. Q: Does LTC3787MPUFD#PBF support adjustable switching frequency? A: Yes, LTC3787MPUFD#PBF supports adjustable switching frequencies from 100kHz to 750kHz.

  7. Q: Is there any built-in protection features in LTC3787MPUFD#PBF? A: Yes, LTC3787MPUFD#PBF includes various protection features like overvoltage protection, overcurrent protection, and thermal shutdown.

  8. Q: Can LTC3787MPUFD#PBF be used in automotive applications? A: Yes, LTC3787MPUFD#PBF is suitable for automotive applications as it can handle wide input voltage ranges and has robust protection features.

  9. Q: Does LTC3787MPUFD#PBF require an external compensation network? A: No, LTC3787MPUFD#PBF does not require an external compensation network as it has internal compensation.

  10. Q: What are the typical applications of LTC3787MPUFD#PBF? A: LTC3787MPUFD#PBF is commonly used in power supply designs, battery-powered systems, LED lighting, and industrial automation applications.

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