Bild kan vara representation.
Se specifikationer för produktinformation.
LTC3879IMSE#PBF

LTC3879IMSE#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High Efficiency - Wide Input Voltage Range - Programmable Output Voltage - Synchronous Buck Converter

Package: MSOP-16E

Essence: The LTC3879IMSE#PBF is a high-performance synchronous buck converter IC used for power management applications. It offers high efficiency and a wide input voltage range, making it suitable for various power supply designs.

Packaging/Quantity: The LTC3879IMSE#PBF is available in an MSOP-16E package. It is typically sold in reels or tubes containing multiple units.

Specifications

  • Input Voltage Range: 4.5V to 38V
  • Output Voltage Range: 0.8V to VIN
  • Maximum Output Current: 20A
  • Switching Frequency: Up to 2MHz
  • Efficiency: Up to 95%
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC3879IMSE#PBF has the following pin configuration:

  1. VIN: Input Voltage
  2. GND: Ground
  3. FB: Feedback Voltage
  4. SS/TR: Soft-Start/Tracking
  5. SYNC: External Clock Synchronization
  6. VCC: Supply Voltage
  7. PGND: Power Ground
  8. SW: Switch Node
  9. BOOT: Bootstrap Capacitor Connection
  10. LX: Inductor Connection
  11. COMP: Compensation
  12. SS/TR: Soft-Start/Tracking
  13. VSET: Output Voltage Setting
  14. RUN/SS: Run/Soft-Start
  15. PGOOD: Power Good Indicator
  16. EN/UVLO: Enable/Undervoltage Lockout

Functional Features

  • High Efficiency: The LTC3879IMSE#PBF offers high efficiency, reducing power losses and improving overall system performance.
  • Wide Input Voltage Range: It can handle input voltages ranging from 4.5V to 38V, providing flexibility in various applications.
  • Programmable Output Voltage: The output voltage can be easily programmed using the VSET pin, allowing for customization based on specific requirements.
  • Synchronous Buck Converter: The IC utilizes synchronous rectification, which improves efficiency by reducing switching losses.

Advantages and Disadvantages

Advantages: - High efficiency - Wide input voltage range - Programmable output voltage - Compact MSOP-16E package

Disadvantages: - Limited maximum output current (20A)

Working Principles

The LTC3879IMSE#PBF is a synchronous buck converter that operates by converting a higher input voltage to a lower output voltage. It uses high-frequency switching to regulate the output voltage efficiently. The IC incorporates a control loop that adjusts the duty cycle of the switching transistor to maintain the desired output voltage.

Detailed Application Field Plans

The LTC3879IMSE#PBF can be used in various power management applications, including but not limited to: - Industrial equipment - Telecommunications systems - Automotive electronics - Distributed power systems - Battery-powered devices

Detailed and Complete Alternative Models

  1. LTC3879EMSE#PBF
  2. LTC3879HMSE#PBF
  3. LTC3879IMSE#TRPBF
  4. LTC3879EMSE#TRPBF
  5. LTC3879HMSE#TRPBF

These alternative models offer similar functionality and characteristics to the LTC3879IMSE#PBF, providing options for different design requirements.

Note: The above information provides a concise overview of the LTC3879IMSE#PBF. For more detailed specifications and application guidelines, refer to the product datasheet provided by the manufacturer.

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LTC3879IMSE#PBF i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of LTC3879IMSE#PBF in technical solutions:

  1. Q: What is LTC3879IMSE#PBF? A: LTC3879IMSE#PBF is a specific model number for a power management integrated circuit (PMIC) developed by Linear Technology (now part of Analog Devices). It is designed for use in various technical solutions.

  2. Q: What are the key features of LTC3879IMSE#PBF? A: Some key features of LTC3879IMSE#PBF include high efficiency, wide input voltage range, programmable output voltage, current mode control, and integrated protection features.

  3. Q: What technical solutions can LTC3879IMSE#PBF be used in? A: LTC3879IMSE#PBF can be used in a wide range of applications, including industrial automation, telecommunications, automotive systems, data centers, and more.

  4. Q: How does LTC3879IMSE#PBF achieve high efficiency? A: LTC3879IMSE#PBF utilizes advanced switching techniques, such as synchronous rectification and low-loss power MOSFETs, to minimize power losses and maximize efficiency.

  5. Q: Can LTC3879IMSE#PBF handle different input voltage levels? A: Yes, LTC3879IMSE#PBF has a wide input voltage range, typically from 4.5V to 60V, allowing it to handle various input voltage levels commonly encountered in technical solutions.

  6. Q: Is the output voltage of LTC3879IMSE#PBF programmable? A: Yes, LTC3879IMSE#PBF supports programmable output voltage through external resistors or digital interfaces, providing flexibility in meeting specific system requirements.

  7. Q: What is current mode control in LTC3879IMSE#PBF? A: Current mode control is a control technique used in LTC3879IMSE#PBF to regulate the output voltage by sensing and adjusting the current flowing through the power components.

  8. Q: What protection features are integrated into LTC3879IMSE#PBF? A: LTC3879IMSE#PBF incorporates various protection features, including overvoltage protection (OVP), undervoltage lockout (UVLO), overcurrent protection (OCP), and thermal shutdown.

  9. Q: Can LTC3879IMSE#PBF be used in battery-powered applications? A: Yes, LTC3879IMSE#PBF can be used in battery-powered applications as it supports wide input voltage range and offers efficient power conversion for extended battery life.

  10. Q: Where can I find more information about LTC3879IMSE#PBF? A: You can find more detailed information about LTC3879IMSE#PBF, including datasheets, application notes, and technical support, on the Analog Devices website or by contacting their customer support team.

Please note that the answers provided here are general and may vary depending on the specific requirements and use cases of LTC3879IMSE#PBF in different technical solutions.