Linear Technology/QD Devices
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LT3782AIUFD#PBF
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LT3782AIUFD#PBF

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics: High efficiency, wide input voltage range, compact package
  • Package: 16-Lead QFN
  • Essence: Step-down switching regulator
  • Packaging/Quantity: Tape & Reel (2500 units)

Specifications

  • Input Voltage Range: 4V to 60V
  • Output Voltage Range: 0.8V to 24V
  • Switching Frequency: 200kHz to 2.5MHz
  • Maximum Duty Cycle: 95%
  • Quiescent Current: 85µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN: Input Voltage
  2. GND: Ground
  3. FB: Feedback
  4. SYNC/MODE: Synchronization or Mode Selection
  5. SS/TR/UVLO: Soft-Start, Tracking, Undervoltage Lockout
  6. RT/CLKOUT: Oscillator Frequency Set, Clock Output
  7. SW: Switch Node
  8. PGND: Power Ground
  9. VOUT: Output Voltage
  10. NC: No Connection

Functional Features

  • Wide input voltage range for versatile applications
  • High efficiency and low quiescent current for power-saving operation
  • Adjustable output voltage and switching frequency for flexibility
  • Synchronization capability for noise-sensitive systems
  • Soft-start and tracking functions for controlled start-up and output tracking

Advantages and Disadvantages

  • Advantages:
    • High efficiency
    • Wide input voltage range
    • Compact package
  • Disadvantages:
    • Higher cost compared to linear regulators
    • Requires external components for operation

Working Principles

The LT3782AIUFD#PBF is a step-down switching regulator that uses a high-efficiency monolithic buck converter architecture to efficiently regulate the output voltage from a higher input voltage. It operates by controlling the duty cycle of the internal switch to maintain the desired output voltage.

Detailed Application Field Plans

  • Industrial Automation: Power supply for control systems and motor drives
  • Automotive Electronics: Voltage regulation for automotive infotainment and safety systems
  • Telecommunications: Efficient power management for base stations and network equipment
  • Renewable Energy: Solar and wind energy systems requiring voltage regulation

Detailed and Complete Alternative Models

  1. LT3780: Similar specifications with different package options
  2. LT3781: Higher input voltage range and wider operating temperature range
  3. LT3783: Lower quiescent current and smaller footprint

This comprehensive entry provides an in-depth understanding of the LT3782AIUFD#PBF, covering its specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.

Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van LT3782AIUFD#PBF in technische oplossingen

  1. What is the LT3782AIUFD#PBF?

    • The LT3782AIUFD#PBF is a high performance synchronous step-down DC/DC converter designed for use in various technical solutions.

  2. What is the input voltage range of the LT3782AIUFD#PBF?

    • The input voltage range of the LT3782AIUFD#PBF is typically from 4.5V to 36V.

  3. What is the output current capability of the LT3782AIUFD#PBF?

    • The LT3782AIUFD#PBF can deliver up to 10A of continuous output current.

  4. What are the key features of the LT3782AIUFD#PBF?

    • The LT3782AIUFD#PBF features include high efficiency, wide input voltage range, low quiescent current, and programmable frequency and soft-start.

  5. What are the typical applications of the LT3782AIUFD#PBF?

    • Typical applications of the LT3782AIUFD#PBF include industrial, automotive, telecom, and networking systems.

  6. What is the operating frequency range of the LT3782AIUFD#PBF?

    • The LT3782AIUFD#PBF has an adjustable operating frequency range from 200kHz to 2.2MHz.

  7. Does the LT3782AIUFD#PBF have built-in protection features?

    • Yes, the LT3782AIUFD#PBF includes overvoltage protection, overcurrent protection, and thermal shutdown.

  8. Can the LT3782AIUFD#PBF be used in automotive applications?

    • Yes, the LT3782AIUFD#PBF is suitable for automotive applications due to its wide input voltage range and robust design.

  9. What is the package type of the LT3782AIUFD#PBF?

    • The LT3782AIUFD#PBF is available in a 28-lead QFN package.

  10. Is there a reference design available for the LT3782AIUFD#PBF?

    • Yes, Linear Technology provides reference designs and application notes for the LT3782AIUFD#PBF to assist with its implementation in technical solutions.