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LTC3864EDE#PBF
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LTC3864EDE#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 Mode Control - Programmable Soft-Start - Overvoltage Protection - Undervoltage Lockout - Thermal Shutdown - Fault Flag Indicator

Package: DFN-12 (3mm x 4mm)

Essence: The LTC3864EDE#PBF is a high-performance synchronous buck controller designed for power management applications.

Packaging/Quantity: The LTC3864EDE#PBF is available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 60V
  • Output Voltage Range: 0.8V to VIN
  • Switching Frequency Range: 100kHz to 1MHz
  • Maximum Duty Cycle: 90%
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC3864EDE#PBF has the following pin configuration:

  1. VIN: Input Voltage
  2. GND: Ground
  3. FB: Feedback Voltage
  4. SS: Soft-Start
  5. SYNC: External Clock Synchronization
  6. VCC: Supply Voltage
  7. PGND: Power Ground
  8. SW: Switch Node
  9. COMP: Compensation
  10. EN: Enable
  11. OCSET: Overcurrent Limit Set
  12. PGOOD: Power Good Indicator

Functional Features

  • High Efficiency Conversion
  • Adjustable Output Voltage
  • Current Mode Control for Stable Operation
  • Programmable Soft-Start for Controlled Startup
  • Overvoltage Protection for System Safety
  • Undervoltage Lockout for Reliable Operation
  • Thermal Shutdown to Prevent Overheating
  • Fault Flag Indicator for Easy Troubleshooting

Advantages and Disadvantages

Advantages: - High efficiency conversion for energy savings - Wide input voltage range for versatile applications - Synchronous buck controller for improved performance - Adjustable output voltage for flexibility - Comprehensive protection features for system safety

Disadvantages: - Limited maximum duty cycle of 90% - Operating temperature range may not be suitable for extreme environments

Working Principles

The LTC3864EDE#PBF operates as a synchronous buck controller, converting a higher input voltage to a lower output voltage efficiently. It utilizes current mode control to regulate the output voltage and maintain stability during load variations. The controller also incorporates various protection features such as overvoltage protection, undervoltage lockout, and thermal shutdown to ensure safe operation.

Detailed Application Field Plans

The LTC3864EDE#PBF is widely used in power management applications, including but not limited to: - Industrial Equipment - Automotive Systems - Telecommunications Infrastructure - Data Centers - Renewable Energy Systems - Consumer Electronics

Detailed and Complete Alternative Models

Some alternative models to the LTC3864EDE#PBF include: - LTC3863EDE#PBF - LTC3865EDE#PBF - LTC3866EDE#PBF - LTC3867EDE#PBF - LTC3868EDE#PBF

These models offer similar functionality and characteristics, providing options for different design requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LTC3864EDE#PBF i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of LTC3864EDE#PBF in technical solutions:

  1. Q: What is LTC3864EDE#PBF? A: LTC3864EDE#PBF is a high-performance synchronous step-down DC/DC controller IC manufactured by Linear Technology (now part of Analog Devices).

  2. Q: What is the input voltage range supported by LTC3864EDE#PBF? A: LTC3864EDE#PBF supports an input voltage range from 4.5V to 38V.

  3. Q: What is the output voltage range supported by LTC3864EDE#PBF? A: The output voltage range of LTC3864EDE#PBF can be set from 0.6V to 5.5V.

  4. Q: What is the maximum output current that LTC3864EDE#PBF can handle? A: LTC3864EDE#PBF can handle a maximum output current of up to 20A.

  5. Q: Does LTC3864EDE#PBF support synchronous rectification? A: Yes, LTC3864EDE#PBF supports synchronous rectification for improved efficiency.

  6. Q: Can LTC3864EDE#PBF operate in a wide temperature range? A: Yes, LTC3864EDE#PBF has a wide operating temperature range of -40°C to 125°C.

  7. Q: What type of control loop compensation does LTC3864EDE#PBF use? A: LTC3864EDE#PBF uses voltage mode control loop compensation.

  8. Q: Is there any protection features available in LTC3864EDE#PBF? A: Yes, LTC3864EDE#PBF provides various protection features like overvoltage protection, undervoltage lockout, and overcurrent protection.

  9. Q: Can LTC3864EDE#PBF be used in automotive applications? A: Yes, LTC3864EDE#PBF is suitable for automotive applications as it meets the AEC-Q100 standard.

  10. Q: What are some typical applications of LTC3864EDE#PBF? A: LTC3864EDE#PBF can be used in a wide range of applications including industrial equipment, automotive systems, telecom infrastructure, and power distribution systems.

Please note that these answers are general and may vary depending on specific design requirements and application scenarios.