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LTC3890IGN-3#PBF

LTC3890IGN-3#PBF

Product Overview

Category

The LTC3890IGN-3#PBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various electronic devices and systems to efficiently regulate and control power supply voltages.

Characteristics

  • High efficiency power conversion
  • Wide input voltage range
  • Adjustable output voltage
  • Current mode control
  • Integrated protection features

Package

The LTC3890IGN-3#PBF is available in a compact and industry-standard 16-pin SSOP package.

Essence

The essence of LTC3890IGN-3#PBF lies in its ability to provide reliable and efficient power management solutions for a wide range of applications.

Packaging/Quantity

The IC is typically packaged in reels or tubes, with a standard quantity of 250 units per reel/tube.

Specifications

  • Input Voltage Range: 4.5V to 60V
  • Output Voltage Range: 0.8V to VIN
  • Maximum Continuous Output Current: 3A
  • 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 reference 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. SS/TR: Soft-start/tracking pin
  7. SYNC: Synchronization pin for external clock input
  8. PGND: Power ground pin
  9. SW: Switch node pin for power switching
  10. BST: Boost pin for high-side gate driver
  11. SS/TR: Soft-start/tracking pin
  12. VOUT: Output voltage pin
  13. VOUT: Output voltage pin
  14. VOUT: Output voltage pin
  15. VOUT: Output voltage pin
  16. VOUT: Output voltage pin

Functional Features

  • Wide input voltage range allows for versatile applications
  • Current mode control ensures stable and efficient power regulation
  • Integrated protection features such as overvoltage and overcurrent protection enhance system reliability
  • Adjustable soft-start feature enables controlled startup of the power supply
  • Synchronization capability allows for synchronization with an external clock source

Advantages and Disadvantages

Advantages

  • High efficiency power conversion
  • Wide input voltage range accommodates various power sources
  • Compact package size for space-constrained applications
  • Integrated protection features enhance system reliability

Disadvantages

  • Limited maximum continuous output current (3A)
  • Requires additional external components for complete power management solution

Working Principles

The LTC3890IGN-3#PBF operates on the principle of current mode control, where the output voltage is regulated by monitoring the inductor current. By adjusting the duty cycle of the internal power switch, the IC maintains a stable output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

The LTC3890IGN-3#PBF finds extensive use in various applications, including but not limited to: - Industrial automation systems - Telecommunications equipment - Automotive electronics - Power distribution systems - Renewable energy systems

Detailed and Complete Alternative Models

  1. LTC3890IGN-2#PBF
  2. LTC3890IGN-4#PBF
  3. LTC3890IGN-5#PBF
  4. LTC3890IGN-6#PBF
  5. LTC3890IGN-7#PBF

These alternative models offer similar functionality and characteristics, providing flexibility in choosing the most suitable option for specific applications.

In conclusion, the LTC3890IGN-3#PBF is a highly efficient and versatile power management IC that offers a wide input voltage range, adjustable output voltage, and integrated protection features. Its compact package and reliable performance make it suitable for various applications in different industries.

Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng LTC3890IGN-3#PBF trong giải pháp kỹ thuật

Sure! Here are 10 common questions and answers related to the application of LTC3890IGN-3#PBF in technical solutions:

  1. Q: What is the LTC3890IGN-3#PBF? A: The LTC3890IGN-3#PBF is a high-performance synchronous step-down DC/DC controller IC.

  2. Q: What is the input voltage range of LTC3890IGN-3#PBF? A: The input voltage range of LTC3890IGN-3#PBF is from 4.5V to 60V.

  3. Q: What is the output voltage range of LTC3890IGN-3#PBF? A: The output voltage range of LTC3890IGN-3#PBF is from 0.8V to 24V.

  4. Q: What is the maximum output current of LTC3890IGN-3#PBF? A: The maximum output current of LTC3890IGN-3#PBF is typically 20A.

  5. Q: Can LTC3890IGN-3#PBF be used for both step-up and step-down applications? A: No, LTC3890IGN-3#PBF is specifically designed for step-down (buck) applications.

  6. Q: Does LTC3890IGN-3#PBF have built-in protection features? A: Yes, LTC3890IGN-3#PBF includes various protection features like overvoltage protection, overcurrent protection, and thermal shutdown.

  7. Q: What is the switching frequency range of LTC3890IGN-3#PBF? A: The switching frequency range of LTC3890IGN-3#PBF is from 100kHz to 1MHz.

  8. Q: Can LTC3890IGN-3#PBF operate in a wide temperature range? A: Yes, LTC3890IGN-3#PBF can operate in a temperature range of -40°C to 125°C.

  9. Q: What type of package does LTC3890IGN-3#PBF come in? A: LTC3890IGN-3#PBF is available in an 16-Lead SSOP package.

  10. Q: Are there any evaluation boards or reference designs available for LTC3890IGN-3#PBF? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs for LTC3890IGN-3#PBF that can help with the design and implementation process.

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