Linear Technology/Analog Devices
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LTC3816IFE

LTC3816IFE

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Synchronous Step-Down DC/DC Controller
  • Package: 20-Lead TSSOP
  • Essence: Regulates and controls the voltage in a power management system
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Input Voltage Range: 4.5V to 60V
  • Output Voltage Range: 0.8V to 24V
  • Switching Frequency: Up to 1MHz
  • Maximum Duty Cycle: 90%
  • Quiescent Current: 50µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC3816IFE features a 20-lead TSSOP package with the following pin configuration:

  1. VIN: Input Voltage
  2. GND: Ground
  3. FB: Feedback Voltage
  4. SS: Soft-Start
  5. SYNC/MODE: External Clock Synchronization or Mode Selection
  6. VCC: IC Supply Voltage
  7. PGND: Power Ground
  8. SW: Switch Node Connection
  9. SW: Switch Node Connection
  10. SW: Switch Node Connection
  11. SW: Switch Node Connection
  12. COMP: Compensation Node
  13. VSENSE+: Positive Sense Voltage
  14. VSENSE-: Negative Sense Voltage
  15. RT: Oscillator Timing Resistor
  16. CT: Oscillator Timing Capacitor
  17. SS/TRK: Soft-Start/Tracking
  18. PGOOD: Power Good Indicator
  19. VOUT: Output Voltage
  20. VOUT: Output Voltage

Functional Features

  • High Efficiency: The LTC3816IFE offers high efficiency power conversion, minimizing energy loss.
  • Synchronous Step-Down: It is designed for synchronous step-down DC/DC conversion, providing stable output voltage.
  • Wide Input Voltage Range: The IC can handle input voltages ranging from 4.5V to 60V, making it suitable for various applications.
  • Adjustable Output Voltage: The output voltage can be adjusted from 0.8V to 24V, allowing flexibility in power management systems.
  • External Clock Synchronization: The SYNC/MODE pin enables synchronization with an external clock source if required.

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Wide input voltage range - Adjustable output voltage - External clock synchronization capability

Disadvantages: - Limited maximum duty cycle of 90% - Requires careful consideration of compensation for stability in certain applications

Working Principles

The LTC3816IFE operates as a synchronous step-down DC/DC controller. It regulates the output voltage by controlling the duty cycle of the internal power switches. The feedback voltage (FB) pin monitors the output voltage and adjusts the duty cycle accordingly. The COMP pin allows for compensation adjustments to ensure stability in different operating conditions.

Detailed Application Field Plans

The LTC3816IFE is commonly used in various applications, including but not limited to: - Industrial power supplies - Automotive electronics - Telecommunications equipment - Battery-powered systems - Distributed power systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LTC3816IFE include: - LTC3815IFE - LTC3817IFE - LTC3818IFE - LTC3819IFE

These models provide comparable features and can be considered as alternatives based on specific application requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LTC3816IFE v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LTC3816IFE in technical solutions:

  1. Q: What is LTC3816IFE? A: LTC3816IFE 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 LTC3816IFE? A: LTC3816IFE supports an input voltage range from 4.5V to 60V.

  3. Q: What is the output voltage range that can be achieved using LTC3816IFE? A: The output voltage range achievable with LTC3816IFE is from 0.6V to 55V.

  4. Q: What is the maximum output current that LTC3816IFE can handle? A: LTC3816IFE can handle a maximum output current of up to 25A.

  5. Q: Can LTC3816IFE operate in a wide temperature range? A: Yes, LTC3816IFE is designed to operate in a wide temperature range, typically from -40°C to 125°C.

  6. Q: Does LTC3816IFE support adjustable switching frequency? A: Yes, LTC3816IFE allows for adjustable switching frequency ranging from 100kHz to 750kHz.

  7. Q: Is LTC3816IFE suitable for battery-powered applications? A: Yes, LTC3816IFE is suitable for battery-powered applications as it offers low quiescent current and high efficiency.

  8. Q: Can LTC3816IFE be used in automotive applications? A: Yes, LTC3816IFE is automotive qualified and can be used in automotive applications.

  9. Q: Does LTC3816IFE provide protection features? A: Yes, LTC3816IFE offers various protection features such as overvoltage protection, undervoltage lockout, and thermal shutdown.

  10. Q: What are some typical applications of LTC3816IFE? A: LTC3816IFE is commonly used in applications such as industrial power supplies, automotive power systems, telecom infrastructure, and battery charging solutions.

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