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LTC3864EMSE#TRPBF

LTC3864EMSE#TRPBF

Product Overview

Category

LTC3864EMSE#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 and overcurrent protection

Package

LTC3864EMSE#TRPBF is available in a small MSOP-16E package.

Essence

The essence of this product lies in its ability to efficiently regulate power in various electronic devices.

Packaging/Quantity

It is typically sold in reels, with 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 60V
  • Output Voltage Range: 0.8V to 24V
  • Switching Frequency: Up to 2MHz
  • Maximum Continuous Output Current: 3A
  • 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. SS: Soft-start pin for controlling startup time
  5. SYNC: Synchronization pin for external clock synchronization
  6. VCC: Supply voltage pin
  7. PGND: Power ground pin
  8. SW: Switch node pin for connecting the inductor

Functional Features

  • Constant frequency current mode control
  • Adjustable output voltage through feedback pin
  • Synchronous rectification for improved efficiency
  • Programmable soft-start for controlled startup
  • Overvoltage and overcurrent protection for enhanced safety

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption
  • Wide input voltage range allows for versatile applications
  • Adjustable output voltage provides flexibility
  • Current mode control ensures stable operation
  • Synchronous rectification improves overall efficiency
  • Programmable soft-start prevents inrush current

Disadvantages

  • Limited maximum continuous output current (3A)
  • Relatively high operating temperature range (-40°C to 125°C)

Working Principles

The LTC3864EMSE#TRPBF operates on the principle of current mode control. It regulates the output voltage by adjusting the duty cycle of the internal power switch. The synchronous rectification mechanism further enhances efficiency by reducing power losses during switching transitions. The programmable soft-start feature gradually ramps up the output voltage, preventing excessive inrush current.

Detailed Application Field Plans

The LTC3864EMSE#TRPBF finds extensive application in various fields, including: 1. Industrial automation systems 2. Telecommunications equipment 3. Automotive electronics 4. Power supplies for consumer electronics 5. Renewable energy systems

Detailed and Complete Alternative Models

  1. LTC3864EMSE#PBF: Similar to LTC3864EMSE#TRPBF but without reel packaging
  2. LTC3864IMSE#TRPBF: Improved version with higher maximum continuous output current (5A)
  3. LTC3864HMSE#TRPBF: High-power variant with increased input voltage range (up to 100V)

These alternative models offer similar functionality but cater to specific requirements in different applications.

In conclusion, the LTC3864EMSE#TRPBF is a highly efficient integrated circuit used for power management purposes. Its adjustable output voltage, current mode control, and synchronous rectification make it suitable for a wide range of applications. While it has certain limitations, its advantages outweigh the disadvantages, making it a popular choice among designers in various industries.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LTC3864EMSE#TRPBF v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LTC3864EMSE#TRPBF in technical solutions:

  1. Q: What is LTC3864EMSE#TRPBF? A: LTC3864EMSE#TRPBF is a high-performance synchronous step-down DC/DC controller IC.

  2. Q: What is the input voltage range of LTC3864EMSE#TRPBF? A: The input voltage range of LTC3864EMSE#TRPBF is typically between 4.5V and 38V.

  3. Q: What is the output voltage range of LTC3864EMSE#TRPBF? A: The output voltage range of LTC3864EMSE#TRPBF can be set from 0.8V to VIN.

  4. Q: What is the maximum output current of LTC3864EMSE#TRPBF? A: The maximum output current of LTC3864EMSE#TRPBF depends on the external components used, but it can handle currents up to several amps.

  5. Q: Does LTC3864EMSE#TRPBF support synchronous rectification? A: Yes, LTC3864EMSE#TRPBF supports synchronous rectification for improved efficiency.

  6. Q: Can LTC3864EMSE#TRPBF operate in a wide temperature range? A: Yes, LTC3864EMSE#TRPBF is designed to operate in a temperature range of -40°C to 125°C.

  7. Q: Does LTC3864EMSE#TRPBF have built-in protection features? A: Yes, LTC3864EMSE#TRPBF includes various protection features like overvoltage protection, overcurrent protection, and thermal shutdown.

  8. Q: What is the switching frequency of LTC3864EMSE#TRPBF? A: The switching frequency of LTC3864EMSE#TRPBF can be programmed from 100kHz to 1MHz.

  9. Q: Can LTC3864EMSE#TRPBF be used in battery-powered applications? A: Yes, LTC3864EMSE#TRPBF can be used in battery-powered applications as it supports low dropout operation.

  10. Q: Are there any evaluation boards available for LTC3864EMSE#TRPBF? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards for LTC3864EMSE#TRPBF to facilitate testing and development.

Please note that these answers 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 or technical support for accurate information.