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LTC4380CDD-2#PBF
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LTC4380CDD-2#PBF

Introduction

The LTC4380CDD-2#PBF is a product belonging to the category of power management integrated circuits (PMICs). This device is designed to provide protection and control for 2.5V to 5.5V systems against overvoltage transients. It offers characteristics such as low quiescent current, wide input voltage range, and adjustable overvoltage protection threshold. The LTC4380CDD-2#PBF comes in a 10-lead DFN package and is an essential component for ensuring the reliability and safety of electronic systems.

Basic Information Overview

  • Category: Power Management Integrated Circuit (PMIC)
  • Use: Overvoltage protection and control for 2.5V to 5.5V systems
  • Characteristics: Low quiescent current, wide input voltage range, adjustable overvoltage protection threshold
  • Package: 10-lead DFN
  • Essence: Ensuring system reliability and safety
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies based on order size

Specifications

  • Input Voltage Range: 2.5V to 5.5V
  • Quiescent Current: 20µA
  • Overvoltage Protection Threshold: Adjustable from 2.5V to 5.5V
  • Operating Temperature Range: -40°C to 125°C
  • Package Type: 10-lead DFN

Detailed Pin Configuration

The LTC4380CDD-2#PBF features the following pin configuration: 1. VIN 2. OV 3. GATE 4. GND 5. FLT 6. VOUT 7. VCC 8. UV 9. OV 10. VIN

Functional Features

  • Overvoltage Protection: Monitors the input voltage and clamps the gate of an external N-channel MOSFET when an overvoltage condition is detected.
  • Undervoltage Lockout: Prevents the device from turning on until the VIN voltage exceeds the undervoltage lockout threshold.
  • Adjustable Threshold: Allows the user to set the overvoltage protection threshold according to the specific system requirements.

Advantages and Disadvantages

Advantages

  • Provides robust overvoltage protection for sensitive electronic systems
  • Low quiescent current minimizes power consumption
  • Wide input voltage range enhances versatility in various applications

Disadvantages

  • Requires an external N-channel MOSFET for overvoltage protection implementation
  • Limited to a specific input voltage range of 2.5V to 5.5V

Working Principles

The LTC4380CDD-2#PBF operates by continuously monitoring the input voltage. When an overvoltage condition is detected, the device quickly turns off the external N-channel MOSFET to protect downstream circuitry. The adjustable threshold feature allows users to tailor the overvoltage protection level to suit their specific application requirements.

Detailed Application Field Plans

The LTC4380CDD-2#PBF finds extensive application in various fields, including: - Industrial Control Systems - Automotive Electronics - Telecommunications Equipment - Portable Electronic Devices

Detailed and Complete Alternative Models

Some alternative models to the LTC4380CDD-2#PBF include: - LTC4366 - TPS25921 - MAX16054

In conclusion, the LTC4380CDD-2#PBF is a crucial component in safeguarding electronic systems against overvoltage transients. Its low quiescent current, wide input voltage range, and adjustable overvoltage protection threshold make it a versatile choice for a range of applications.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan LTC4380CDD-2#PBF dalam solusi teknis

  1. What is the LTC4380CDD-2#PBF?

    • The LTC4380CDD-2#PBF is a dual ideal diode controller designed to drive two external N-channel MOSFETs to replace diode rectifiers in power supply ORing applications.

  2. What are the key features of LTC4380CDD-2#PBF?

    • The key features include low loss replacement for power Schottky diodes, wide input voltage range, adjustable turn-on voltage, and reverse current blocking.

  3. How does LTC4380CDD-2#PBF improve power supply reliability?

    • By using LTC4380CDD-2#PBF, it ensures seamless switchover between multiple power sources, reducing the risk of power supply failure due to diode failures.

  4. What are the typical applications of LTC4380CDD-2#PBF?

    • Typical applications include redundant power supplies, battery backup systems, and any system requiring power source selection or ORing.

  5. What is the operating temperature range of LTC4380CDD-2#PBF?

    • The LTC4380CDD-2#PBF operates over a temperature range of -40°C to 125°C.

  6. How is LTC4380CDD-2#PBF controlled?

    • It can be controlled through an external resistor to set the turn-on voltage and an enable pin for system control.

  7. What are the advantages of using LTC4380CDD-2#PBF over traditional diode rectifiers?

    • LTC4380CDD-2#PBF offers lower voltage drop, reduced power dissipation, and improved efficiency compared to diode rectifiers.

  8. Can LTC4380CDD-2#PBF handle high currents?

    • Yes, LTC4380CDD-2#PBF can handle high currents by using external N-channel MOSFETs with appropriate current ratings.

  9. Is LTC4380CDD-2#PBF suitable for automotive applications?

    • Yes, LTC4380CDD-2#PBF is suitable for automotive applications due to its wide input voltage range and robust design.

  10. Where can I find more detailed technical information about LTC4380CDD-2#PBF?

    • Detailed technical information can be found in the LTC4380CDD-2#PBF datasheet available on the manufacturer's website or through authorized distributors.