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LT8391HUFD#TRPBF

LT8391HUFD#TRPBF

Product Overview

Category

LT8391HUFD#TRPBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power management applications.

Characteristics

  • High efficiency
  • Wide input voltage range
  • Adjustable output voltage
  • Compact package size

Package

LT8391HUFD#TRPBF is available in a small outline, thermally enhanced 16-lead QFN package.

Essence

The essence of LT8391HUFD#TRPBF lies in its ability to efficiently regulate and control power in various electronic systems.

Packaging/Quantity

This product is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 60V
  • Output Voltage Range: 0.8V to 55V
  • Switching Frequency: Up to 2MHz
  • Maximum Duty Cycle: 90%
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. FB: Feedback pin
  4. VCC: Supply voltage pin
  5. SW: Switching node pin
  6. SYNC: Synchronization pin
  7. EN: Enable pin
  8. SS: Soft-start pin
  9. PGND: Power ground pin
  10. ITH: Current sense threshold pin
  11. LX: Inductor connection pin
  12. VOUT: Output voltage pin
  13. COMP: Compensation pin
  14. RT: Timing resistor pin
  15. CT: Timing capacitor pin
  16. BST: Bootstrap pin

Functional Features

  • Wide input voltage range allows for versatile applications
  • High switching frequency enables compact designs
  • Adjustable output voltage provides flexibility
  • Synchronization capability for multi-phase operation
  • Soft-start feature prevents inrush current

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption
  • Wide input voltage range accommodates various power sources
  • Compact package size saves board space
  • Adjustable output voltage suits different system requirements

Disadvantages

  • Limited maximum duty cycle may restrict certain applications
  • Higher switching frequency can introduce more noise

Working Principles

LT8391HUFD#TRPBF operates as a step-down (buck) converter. It regulates the output voltage by controlling the duty cycle of the internal switch. The feedback pin senses the output voltage and adjusts the duty cycle accordingly. This control mechanism ensures a stable and accurate output voltage.

Detailed Application Field Plans

LT8391HUFD#TRPBF finds applications in various fields, including but not limited to: - Industrial automation - Automotive electronics - Telecommunications - Renewable energy systems - Consumer electronics

Detailed and Complete Alternative Models

  • LT8390HUFD#TRPBF
  • LT8392HUFD#TRPBF
  • LT8393HUFD#TRPBF
  • LT8394HUFD#TRPBF
  • LT8395HUFD#TRPBF

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

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LT8391HUFD#TRPBF v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LT8391HUFD#TRPBF in technical solutions:

Q1: What is LT8391HUFD#TRPBF? A1: LT8391HUFD#TRPBF is a specific model number of a high-efficiency synchronous buck-boost DC/DC converter manufactured by Linear Technology (now part of Analog Devices).

Q2: What is the input voltage range of LT8391HUFD#TRPBF? A2: The input voltage range of LT8391HUFD#TRPBF is typically from 4.5V to 60V.

Q3: What is the output voltage range of LT8391HUFD#TRPBF? A3: The output voltage range of LT8391HUFD#TRPBF can be adjusted from 0.8V to 60V.

Q4: What is the maximum output current of LT8391HUFD#TRPBF? A4: The maximum output current of LT8391HUFD#TRPBF is typically up to 4A.

Q5: What is the efficiency of LT8391HUFD#TRPBF? A5: The efficiency of LT8391HUFD#TRPBF can reach up to 98%.

Q6: Can LT8391HUFD#TRPBF be used for both step-up and step-down applications? A6: Yes, LT8391HUFD#TRPBF is a versatile buck-boost converter that can be used for both step-up and step-down applications.

Q7: Does LT8391HUFD#TRPBF have built-in protection features? A7: Yes, LT8391HUFD#TRPBF includes various protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.

Q8: What is the switching frequency of LT8391HUFD#TRPBF? A8: The switching frequency of LT8391HUFD#TRPBF can be programmed from 100kHz to 2MHz.

Q9: Can LT8391HUFD#TRPBF operate in a wide temperature range? A9: Yes, LT8391HUFD#TRPBF is designed to operate in a wide temperature range, typically from -40°C to 125°C.

Q10: Are there any evaluation boards or reference designs available for LT8391HUFD#TRPBF? A10: Yes, Analog Devices provides evaluation boards and reference designs for LT8391HUFD#TRPBF, which can help users quickly prototype their applications.

Please note that the answers provided here are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and application notes for detailed information.