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LTC3862IFE#TRPBF
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LTC3862IFE#TRPBF

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Synchronous Step-Down DC/DC Controller
  • Package: 16-Lead TSSOP
  • Essence: Regulates and controls power supply voltages efficiently
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 38V
  • Output Voltage Range: 0.6V to VIN
  • Switching Frequency: Up to 1MHz
  • Maximum Duty Cycle: 90%
  • Quiescent Current: 50µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC3862IFE#TRPBF features a 16-lead TSSOP package with the following pin configuration:

  1. VCC: Supply voltage input
  2. GND: Ground reference
  3. FB: Feedback voltage input
  4. SS: Soft-start capacitor connection
  5. SYNC: External synchronization input
  6. RT: Oscillator frequency setting resistor
  7. PGND: Power ground reference
  8. SW: Switch node connection
  9. COMP: Compensation node for loop stability
  10. VCCSENSE: Supply voltage sensing input
  11. ITH: Current limit threshold setting
  12. MODE: Mode selection pin
  13. SS/TRK: Soft-start/tracking control
  14. PGOOD: Power good indicator output
  15. EXTVCC: External bias supply input
  16. INTVCC: Internal bias supply input

Functional Features

  • High efficiency synchronous step-down DC/DC controller
  • Wide input voltage range suitable for various applications
  • Adjustable output voltage to meet specific requirements
  • High switching frequency for compact designs
  • Excellent load and line regulation for stable power supply
  • Integrated protection features like overcurrent and overvoltage protection

Advantages and Disadvantages

Advantages: - High efficiency operation saves power and reduces heat dissipation - Wide input voltage range allows for versatile applications - Compact package size enables space-constrained designs - Integrated protection features enhance system reliability

Disadvantages: - Requires external components for complete power management solution - Limited output current capability compared to dedicated power modules

Working Principles

The LTC3862IFE#TRPBF is a synchronous step-down DC/DC controller that regulates the output voltage based on the feedback received from the FB pin. It operates by controlling the duty cycle of the internal switches to maintain a stable output voltage, even with varying input voltages and load conditions. The switching frequency can be adjusted using an external resistor connected to the RT pin.

Detailed Application Field Plans

The LTC3862IFE#TRPBF is widely used in various applications, including but not limited to: - Industrial automation systems - Telecommunications equipment - Automotive electronics - Power supplies for consumer electronics - Renewable energy systems

Detailed and Complete Alternative Models

  1. LTC3862-1: Similar specifications and features as LTC3862IFE#TRPBF, but available in a different package (QFN)
  2. LTC3862-2: Higher maximum switching frequency and wider input voltage range compared to LTC3862IFE#TRPBF
  3. LTC3862-3: Lower quiescent current and improved load regulation performance compared to LTC3862IFE#TRPBF

These alternative models provide options for designers based on specific requirements and preferences.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi LTC3862IFE#TRPBF dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of LTC3862IFE#TRPBF in technical solutions:

  1. Q: What is LTC3862IFE#TRPBF? A: LTC3862IFE#TRPBF is a specific model number for a high-performance synchronous step-down DC/DC controller IC.

  2. Q: What is the input voltage range supported by LTC3862IFE#TRPBF? A: The input voltage range supported by LTC3862IFE#TRPBF is typically between 4.5V and 38V.

  3. Q: What is the output voltage range that can be achieved using LTC3862IFE#TRPBF? A: The output voltage range that can be achieved using LTC3862IFE#TRPBF is typically between 0.6V and 5.5V.

  4. Q: What is the maximum output current that LTC3862IFE#TRPBF can handle? A: LTC3862IFE#TRPBF can handle a maximum output current of up to 20A.

  5. Q: Can LTC3862IFE#TRPBF operate in a synchronous rectification mode? A: Yes, LTC3862IFE#TRPBF supports synchronous rectification mode for improved efficiency.

  6. Q: Does LTC3862IFE#TRPBF have built-in protection features? A: Yes, LTC3862IFE#TRPBF includes various protection features like overvoltage protection, overcurrent protection, and thermal shutdown.

  7. Q: Can LTC3862IFE#TRPBF be used in automotive applications? A: Yes, LTC3862IFE#TRPBF is suitable for automotive applications as it meets the necessary requirements and standards.

  8. Q: What is the switching frequency range of LTC3862IFE#TRPBF? A: The switching frequency range of LTC3862IFE#TRPBF is typically between 100kHz and 1MHz.

  9. Q: Can LTC3862IFE#TRPBF be used in both step-down and step-up applications? A: No, LTC3862IFE#TRPBF is specifically designed for step-down (buck) applications only.

  10. Q: Are there any evaluation boards or reference designs available for LTC3862IFE#TRPBF? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs for LTC3862IFE#TRPBF to assist with its application and development.

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