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LTC3869EUFD#TRPBF
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LTC3869EUFD#TRPBF

Product Overview

Category

LTC3869EUFD#TRPBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power management applications.

Characteristics

  • High efficiency
  • Wide input voltage range
  • Low quiescent current
  • Adjustable output voltage
  • Overcurrent protection
  • Thermal shutdown protection

Package

LTC3869EUFD#TRPBF comes in a 28-pin QFN package.

Essence

The essence of this product lies in its ability to efficiently manage power in various applications.

Packaging/Quantity

LTC3869EUFD#TRPBF is typically packaged in reels and available in quantities suitable for mass production.

Specifications

  • Input Voltage Range: 4.5V to 60V
  • Output Voltage Range: 0.8V to 24V
  • Maximum Continuous Output Current: 10A
  • Switching Frequency Range: 100kHz to 1MHz
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. FB: Feedback pin
  4. EN: Enable pin
  5. SS: Soft-start pin
  6. VCC: Supply voltage pin
  7. PGND: Power ground pin
  8. BST: Boost pin
  9. SW: Switch node pin
  10. COMP: Compensation pin
  11. SYNC: Synchronization pin
  12. RT: Timing resistor pin
  13. SS/TR: Soft-start/Timing capacitor pin
  14. VFB: Feedback voltage pin
  15. ITH: Current sense threshold pin
  16. MODE: Mode selection pin
  17. OCSET: Overcurrent limit set pin
  18. PGOOD: Power good indicator pin
  19. VOUT: Output voltage pin
  20. VCC2: Secondary supply voltage pin
  21. PGND2: Secondary power ground pin
  22. SS2/TR2: Soft-start/Timing capacitor pin for secondary output
  23. FB2: Feedback pin for secondary output
  24. ITH2: Current sense threshold pin for secondary output
  25. MODE2: Mode selection pin for secondary output
  26. OCSET2: Overcurrent limit set pin for secondary output
  27. SYNC2: Synchronization pin for secondary output
  28. GND2: Ground pin for secondary output

Functional Features

  • Wide input voltage range allows for versatile applications.
  • High efficiency ensures minimal power loss.
  • Adjustable output voltage provides flexibility.
  • Overcurrent protection safeguards the circuit from damage.
  • Thermal shutdown protection prevents overheating.

Advantages and Disadvantages

Advantages

  • High efficiency leads to energy savings.
  • Wide input voltage range enables compatibility with various power sources.
  • Adjustable output voltage offers customization options.
  • Overcurrent protection enhances system reliability.
  • Thermal shutdown protection prevents component damage.

Disadvantages

  • Limited maximum continuous output current may restrict certain high-power applications.
  • Higher cost compared to some alternative models.

Working Principles

LTC3869EUFD#TRPBF operates as a step-down (buck) switching regulator. It converts a higher input voltage to a lower output voltage efficiently by controlling the duty cycle of the internal power switch. The feedback mechanism ensures the output voltage remains stable within the desired range. Various control features, such as soft-start and overcurrent protection, enhance the performance and safety of the system.

Detailed Application Field Plans

LTC3869EUFD#TRPBF finds applications in various fields, including but not limited to: 1. Industrial automation 2. Automotive electronics 3. Telecommunications 4. Renewable energy systems 5. Consumer electronics

Detailed and Complete Alternative Models

  1. LTC3869EUFD#PBF
  2. LTC3869IUFD#TRPBF
  3. LTC3869IUFD#PBF
  4. LTC3869EFE#TRPBF
  5. LTC3869EFE#PBF

These alternative models offer similar functionality and can be considered as substitutes for LTC3869EUFD#TRPBF.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi LTC3869EUFD#TRPBF dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of LTC3869EUFD#TRPBF in technical solutions:

  1. Q: What is LTC3869EUFD#TRPBF? A: LTC3869EUFD#TRPBF is a high-performance synchronous step-down DC/DC controller IC.

  2. Q: What is the input voltage range supported by LTC3869EUFD#TRPBF? A: LTC3869EUFD#TRPBF supports an input voltage range from 4.5V to 38V.

  3. Q: What is the output voltage range supported by LTC3869EUFD#TRPBF? A: LTC3869EUFD#TRPBF can generate output voltages as low as 0.6V and as high as VIN.

  4. Q: What is the maximum output current that LTC3869EUFD#TRPBF can handle? A: LTC3869EUFD#TRPBF can handle a maximum output current of up to 25A.

  5. Q: Does LTC3869EUFD#TRPBF support synchronous rectification? A: Yes, LTC3869EUFD#TRPBF supports synchronous rectification for improved efficiency.

  6. Q: Can LTC3869EUFD#TRPBF operate in a wide temperature range? A: Yes, LTC3869EUFD#TRPBF is designed to operate in a temperature range from -40°C to 125°C.

  7. Q: Does LTC3869EUFD#TRPBF have any built-in protection features? A: Yes, LTC3869EUFD#TRPBF includes various protection features like overvoltage protection, overcurrent protection, and thermal shutdown.

  8. Q: What is the switching frequency range of LTC3869EUFD#TRPBF? A: LTC3869EUFD#TRPBF has a programmable switching frequency range from 200kHz to 2.2MHz.

  9. Q: Can LTC3869EUFD#TRPBF be used in automotive applications? A: Yes, LTC3869EUFD#TRPBF is suitable for automotive applications and meets the necessary standards.

  10. Q: Are there any evaluation boards or reference designs available for LTC3869EUFD#TRPBF? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs for LTC3869EUFD#TRPBF to aid in its application.

Please note that the answers provided here are general and may vary depending on specific requirements and use cases. It is always recommended to refer to the datasheet and consult with technical experts for accurate information.