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LTC3789EGN#TRPBF
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LTC3789EGN#TRPBF

Product Overview

Category

LTC3789EGN#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
  • Adjustable output voltage
  • Current mode control
  • Synchronous rectification
  • Programmable soft-start
  • Overvoltage protection
  • Undervoltage lockout

Package

LTC3789EGN#TRPBF is available in a 28-pin SSOP package.

Essence

The essence of LTC3789EGN#TRPBF lies in its ability to efficiently regulate and convert power from one voltage level to another.

Packaging/Quantity

This product is typically sold in reels, with each reel containing a specific quantity of LTC3789EGN#TRPBF ICs.

Specifications

  • Input Voltage Range: 4.5V to 38V
  • Output Voltage Range: 0.8V to 38V
  • Maximum Output Current: 20A
  • Switching Frequency: Up 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 for output voltage regulation
  4. COMP: Compensation pin for loop stability
  5. VCC: Supply voltage pin for internal circuitry
  6. PGND: Power ground pin
  7. SW: Switching node pin
  8. BOOT: Bootstrap capacitor connection pin
  9. SS/TR: Soft-start/Tracking pin
  10. SYNC: Synchronization pin for multiple ICs
  11. RT/CLKOUT: External resistor connection for frequency setting or clock output
  12. CLKIN: Clock input pin
  13. SS/TR: Soft-start/Tracking pin (duplicate)
  14. VCC: Supply voltage pin for internal circuitry (duplicate)
  15. PGND: Power ground pin (duplicate)
  16. SW: Switching node pin (duplicate)
  17. FB: Feedback pin for output voltage regulation (duplicate)
  18. COMP: Compensation pin for loop stability (duplicate)
  19. GND: Ground pin (duplicate)
  20. VIN: Input voltage pin (duplicate)
  21. CLKIN: Clock input pin (duplicate)
  22. RT/CLKOUT: External resistor connection for frequency setting or clock output (duplicate)
  23. SYNC: Synchronization pin for multiple ICs (duplicate)
  24. BOOT: Bootstrap capacitor connection pin (duplicate)
  25. SS/TR: Soft-start/Tracking pin (duplicate)
  26. VCC: Supply voltage pin for internal circuitry (duplicate)
  27. PGND: Power ground pin (duplicate)
  28. SW: Switching node pin (duplicate)

Functional Features

  1. High Efficiency: LTC3789EGN#TRPBF offers high efficiency power conversion, minimizing energy losses.
  2. Wide Input Voltage Range: The product supports a wide range of input voltages, making it versatile for various applications.
  3. Adjustable Output Voltage: The output voltage can be easily adjusted to meet specific requirements.
  4. Current Mode Control: The IC utilizes current mode control for improved stability and response.
  5. Synchronous Rectification: Synchronous rectification enhances efficiency by reducing power dissipation.
  6. Programmable Soft-Start: Soft-start functionality allows for controlled startup and prevents excessive inrush current.
  7. Overvoltage Protection: The product incorporates overvoltage protection to safeguard connected devices.
  8. Undervoltage Lockout: Undervoltage lockout ensures proper operation within specified voltage limits.

Advantages and Disadvantages

Advantages

  • High efficiency power conversion
  • Wide input voltage range
  • Adjustable output voltage
  • Current mode control for stability
  • Synchronous rectification for improved efficiency
  • Programmable soft-start for controlled startup
  • Overvoltage protection for device safety
  • Undervoltage lockout for proper operation

Disadvantages

  • Limited maximum output current (20A)

Working Principles

LTC3789EGN#TRPBF operates based on a switching regulator topology. It utilizes a combination of high-frequency switching and feedback control to regulate the output voltage. The input voltage is converted to a high-frequency AC signal, which is then rectified and filtered to obtain the desired DC output voltage. The IC continuously monitors the output voltage and adjusts the duty cycle of the switching signal to maintain the desired output voltage level.

Detailed Application Field Plans

LTC3789EGN#TRPBF finds applications in various fields, including: 1. Industrial power supplies 2. Automotive electronics 3. Telecommunications equipment 4. Renewable energy systems 5. Battery charging systems 6. LED lighting 7. Consumer electronics

Detailed and Complete

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi LTC3789EGN#TRPBF dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of LTC3789EGN#TRPBF in technical solutions:

  1. Q: What is LTC3789EGN#TRPBF? A: LTC3789EGN#TRPBF is a high-performance synchronous boost controller IC designed for various power supply applications.

  2. Q: What is the input voltage range supported by LTC3789EGN#TRPBF? A: LTC3789EGN#TRPBF supports an input voltage range from 4V to 60V.

  3. Q: What is the maximum output voltage that can be achieved with LTC3789EGN#TRPBF? A: The maximum output voltage achievable with LTC3789EGN#TRPBF is typically up to 60V.

  4. Q: Can LTC3789EGN#TRPBF be used for both step-up (boost) and step-down (buck) applications? A: No, LTC3789EGN#TRPBF is specifically designed for step-up (boost) applications only.

  5. Q: What is the maximum output current that LTC3789EGN#TRPBF can handle? A: LTC3789EGN#TRPBF can handle a maximum output current of up to 20A.

  6. Q: Does LTC3789EGN#TRPBF have built-in protection features? A: Yes, LTC3789EGN#TRPBF includes various protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.

  7. Q: Can LTC3789EGN#TRPBF operate in a wide temperature range? A: Yes, LTC3789EGN#TRPBF can operate in a temperature range from -40°C to 125°C.

  8. Q: What is the typical efficiency of LTC3789EGN#TRPBF? A: The typical efficiency of LTC3789EGN#TRPBF is around 95%.

  9. Q: Can LTC3789EGN#TRPBF be used in automotive applications? A: Yes, LTC3789EGN#TRPBF is suitable for automotive applications and meets the necessary requirements.

  10. Q: Are there any evaluation boards or reference designs available for LTC3789EGN#TRPBF? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs for LTC3789EGN#TRPBF to help with its implementation in various technical solutions.

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