Linear Technology/QD Devices
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LT3763HFE#TRPBF
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LT3763HFE#TRPBF

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Synchronous Buck-Boost DC/DC Converter
  • Package: 28-Lead TSSOP
  • Essence: Regulates and converts voltage efficiently in a wide range of applications
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4V to 60V
  • Output Voltage Range: -0.5V to 60V
  • Maximum Switching Frequency: 1MHz
  • Maximum Output Current: 6A
  • Efficiency: Up to 98%
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT3763HFE#TRPBF has a total of 28 pins. Here is the detailed pin configuration:

  1. VIN: Input Voltage
  2. GND: Ground
  3. FB: Feedback Pin
  4. COMP: Compensation Pin
  5. SS: Soft-Start Pin
  6. SYNC/MODE: Synchronization/MODE Selection Pin
  7. VCC: Internal Regulator Output
  8. VCCSENSE: VCC Sensing Pin
  9. VCCINTVCC: Internal Regulator Input
  10. VCCINTSENSE: VCCINT Sensing Pin
  11. VCCINT: Internal Regulator Output
  12. VCCINTSENSE: VCCINT Sensing Pin
  13. VCCINT: Internal Regulator Output
  14. VCCINTSENSE: VCCINT Sensing Pin
  15. VCCINT: Internal Regulator Output
  16. VCCINTSENSE: VCCINT Sensing Pin
  17. VCCINT: Internal Regulator Output
  18. VCCINTSENSE: VCCINT Sensing Pin
  19. VCCINT: Internal Regulator Output
  20. VCCINTSENSE: VCCINT Sensing Pin
  21. VCCINT: Internal Regulator Output
  22. VCCINTSENSE: VCCINT Sensing Pin
  23. VCCINT: Internal Regulator Output
  24. VCCINTSENSE: VCCINT Sensing Pin
  25. VCCINT: Internal Regulator Output
  26. VCCINTSENSE: VCCINT Sensing Pin
  27. VCCINT: Internal Regulator Output
  28. VCCINTSENSE: VCCINT Sensing Pin

Functional Features

  • Synchronous Buck-Boost DC/DC Converter
  • Wide Input Voltage Range for versatile applications
  • High Efficiency up to 98%
  • Adjustable Output Voltage
  • Programmable Switching Frequency
  • Soft-Start and Current Limit Protection
  • Synchronization Capability
  • Fault Indication and Protection

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption
  • Wide input voltage range allows for flexibility in various applications
  • Adjustable output voltage provides customization options
  • Programmable switching frequency enables optimization for different scenarios
  • Synchronization capability for multi-phase operation
  • Comprehensive fault protection ensures system reliability

Disadvantages

  • Complex pin configuration may require careful attention during circuit design
  • Limited maximum output current of 6A may not be suitable for high-power applications

Working Principles

The LT3763HFE#TRPBF is a synchronous buck-boost DC/DC converter that regulates and converts voltage efficiently. It operates by adjusting the duty cycle of the internal switches to maintain the desired output voltage, regardless of whether the input voltage is higher or lower than the desired output voltage. This buck-boost architecture allows for a wide input voltage range and ensures high efficiency.

The converter utilizes a feedback loop to monitor the output voltage and adjust the duty cycle accordingly. It also incorporates soft-start and current limit protection features to ensure safe and reliable operation. The synchronization capability enables multiple converters to operate in phase, reducing input and output ripple.

Detailed Application Field Plans

The LT3763HFE#TRPBF is suitable for various applications that require regulated and efficient voltage conversion. Some potential application fields include:

  1. Battery-powered devices: Provides efficient power management for portable electronics, such as smartphones, tablets, and wearable devices.
  2. Automotive systems: Enables efficient voltage conversion in automotive electronics, including infotainment systems, lighting, and powertrain components.
  3. Industrial equipment: Facilitates voltage regulation in industrial automation, robotics, and control systems.
  4. LED lighting: Offers efficient power conversion for LED lighting applications, ensuring optimal brightness and energy savings.
  5. Renewable energy systems: Supports voltage conversion in solar panels, wind turbines, and other renewable energy sources.

Detailed and Complete Alternative Models

  1. LT3763A: Similar

Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng LT3763HFE#TRPBF trong giải pháp kỹ thuật

Sure! Here are 10 common questions and answers related to the application of LT3763HFE#TRPBF in technical solutions:

  1. Q: What is LT3763HFE#TRPBF? A: LT3763HFE#TRPBF is a high-performance synchronous buck-boost DC/DC controller designed for various applications, including LED lighting, automotive, industrial, and telecom.

  2. Q: What is the input voltage range supported by LT3763HFE#TRPBF? A: LT3763HFE#TRPBF supports an input voltage range from 4V to 60V, making it suitable for a wide range of power supply designs.

  3. Q: Can LT3763HFE#TRPBF operate in both buck and boost modes? A: Yes, LT3763HFE#TRPBF can operate in both buck and boost modes, allowing for flexible voltage regulation.

  4. Q: What is the maximum output current that LT3763HFE#TRPBF can handle? A: LT3763HFE#TRPBF can handle a maximum output current of up to 20A, providing ample power for demanding applications.

  5. Q: Does LT3763HFE#TRPBF support adjustable switching frequency? A: Yes, LT3763HFE#TRPBF supports adjustable switching frequency, allowing designers to optimize efficiency and minimize component size.

  6. Q: Can LT3763HFE#TRPBF be synchronized with an external clock? A: Yes, LT3763HFE#TRPBF can be synchronized with an external clock, enabling synchronization with other power supplies or avoiding interference.

  7. Q: Is LT3763HFE#TRPBF capable of driving multiple LEDs in series? A: Yes, LT3763HFE#TRPBF can drive multiple LEDs in series by utilizing its high voltage capability and adjustable current regulation.

  8. Q: Does LT3763HFE#TRPBF have built-in protection features? A: Yes, LT3763HFE#TRPBF incorporates various protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.

  9. Q: Can LT3763HFE#TRPBF be used in automotive applications? A: Yes, LT3763HFE#TRPBF is suitable for automotive applications due to its wide input voltage range, robustness, and automotive-grade specifications.

  10. Q: Are there any evaluation boards or reference designs available for LT3763HFE#TRPBF? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs that showcase the application of LT3763HFE#TRPBF in different scenarios, helping designers get started quickly.

Please note that the answers provided here are general and may vary depending on specific design requirements and application considerations.