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LTC3864IMSE#PBF
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LTC3864IMSE#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High Efficiency - Wide Input Voltage Range - Synchronous Buck Controller - Adjustable Output Voltage - Current Limit Protection - Overvoltage Protection

Package: MSOP-16

Essence: The LTC3864IMSE#PBF is a power management IC designed for high efficiency and wide input voltage range applications. It is a synchronous buck controller that provides adjustable output voltage with various protection features.

Packaging/Quantity: The LTC3864IMSE#PBF is available in an MSOP-16 package. It is typically sold in reels of 2500 units.

Specifications

  • Input Voltage Range: 4.5V to 60V
  • Output Voltage Range: 0.8V to VIN
  • Switching Frequency: Up to 1MHz
  • Maximum Duty Cycle: 95%
  • Quiescent Current: 50µA
  • Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LTC3864IMSE#PBF has the following pin configuration:

  1. VIN: Input Voltage
  2. GND: Ground
  3. FB: Feedback Voltage
  4. SS: Soft-Start
  5. SYNC: Synchronization
  6. VCC: Supply Voltage
  7. PGND: Power Ground
  8. SW: Switch Node
  9. COMP: Compensation
  10. EN: Enable
  11. ITH: Current Sense Threshold
  12. RT: Oscillator Timing Resistor
  13. SS/TRK: Soft-Start/Tracking
  14. PGOOD: Power Good
  15. VOUT: Output Voltage
  16. BOOT: Bootstrap

Functional Features

  • High Efficiency Conversion
  • Adjustable Output Voltage
  • Current Limit Protection
  • Overvoltage Protection
  • Soft-Start and Tracking Functionality
  • Synchronization Capability
  • Power Good Indicator

Advantages

  • Wide input voltage range allows for versatile applications
  • High efficiency conversion reduces power loss
  • Adjustable output voltage provides flexibility
  • Various protection features ensure system reliability
  • Soft-start and tracking functionality enable smooth startup
  • Synchronization capability allows for multi-phase operation
  • Power good indicator provides system status information

Disadvantages

  • Limited maximum duty cycle may restrict certain applications
  • Quiescent current of 50µA may not be suitable for ultra-low power systems

Working Principles

The LTC3864IMSE#PBF is a synchronous buck controller that regulates the output voltage based on the feedback voltage. It uses a high-frequency switching technique to efficiently convert the input voltage to the desired output voltage. The controller incorporates various protection features such as current limit and overvoltage protection to safeguard the system.

During operation, the controller continuously monitors the feedback voltage and adjusts the duty cycle of the switching transistor to maintain the desired output voltage. The soft-start feature ensures a gradual increase in output voltage during startup, while the synchronization capability allows multiple controllers to operate in sync for higher power applications.

Detailed Application Field Plans

The LTC3864IMSE#PBF is commonly used in various applications, including but not limited to: - Industrial Power Supplies - Automotive Electronics - Telecommunications Equipment - Data Storage Systems - LED Lighting - Battery Charging Systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LTC3864IMSE#PBF include: - LT8610ABEMSE#PBF - LT8645SIV#PBF - LT8609SIV#PBF - LT8646SIV#PBF - LT8609ABEMSE#PBF

These alternative models can be considered based on specific requirements and design constraints.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi LTC3864IMSE#PBF dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of LTC3864IMSE#PBF in technical solutions:

  1. Q: What is LTC3864IMSE#PBF?
    A: LTC3864IMSE#PBF is a specific model of a synchronous step-down DC/DC controller IC.

  2. Q: What is the input voltage range supported by LTC3864IMSE#PBF?
    A: The input voltage range supported by LTC3864IMSE#PBF is typically between 4.5V and 60V.

  3. Q: What is the output voltage range that can be achieved using LTC3864IMSE#PBF?
    A: The output voltage range achievable with LTC3864IMSE#PBF is typically between 0.8V and 24V.

  4. Q: What is the maximum output current that LTC3864IMSE#PBF can handle?
    A: LTC3864IMSE#PBF can handle a maximum output current of up to 20A.

  5. Q: Is LTC3864IMSE#PBF suitable for battery-powered applications?
    A: Yes, LTC3864IMSE#PBF is suitable for battery-powered applications as it supports a wide input voltage range.

  6. Q: Can LTC3864IMSE#PBF be used in automotive applications?
    A: Yes, LTC3864IMSE#PBF is suitable for automotive applications as it can handle high input voltages.

  7. Q: Does LTC3864IMSE#PBF have any built-in protection features?
    A: Yes, LTC3864IMSE#PBF includes various protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.

  8. Q: Can LTC3864IMSE#PBF operate in a wide temperature range?
    A: Yes, LTC3864IMSE#PBF can operate in a temperature range of -40°C to 125°C.

  9. Q: What is the typical efficiency of LTC3864IMSE#PBF?
    A: The typical efficiency of LTC3864IMSE#PBF is around 95%.

  10. Q: Are there any evaluation boards or reference designs available for LTC3864IMSE#PBF?
    A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs for LTC3864IMSE#PBF to help with its implementation in various applications.

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