Linear Technology/QD Devices
Imej mungkin representasi.
Lihat spesifikasi untuk butiran produk.
LTC4282CUH#PBF
Lihat Butiran Helaian data

LTC4282CUH#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management and Control

Characteristics: - High Efficiency - Low Quiescent Current - Wide Input Voltage Range - Overvoltage and Undervoltage Protection - Current Limiting - Thermal Shutdown Protection

Package: 16-Lead QFN (Quad Flat No-Lead)

Essence: The LTC4282CUH#PBF is a versatile power management and control IC designed for various applications requiring efficient power delivery and protection.

Packaging/Quantity: The LTC4282CUH#PBF is available in a 16-Lead QFN package. It is typically sold in reels of 2500 units.

Specifications

  • Input Voltage Range: 4V to 80V
  • Quiescent Current: 50µA
  • Operating Temperature Range: -40°C to 85°C
  • Maximum Output Current: 1.5A
  • Overvoltage Threshold: Programmable from 4.5V to 76V
  • Undervoltage Threshold: Programmable from 3.9V to 75V
  • Current Limit: Programmable from 0.5A to 1.5A

Detailed Pin Configuration

The LTC4282CUH#PBF features a 16-Lead QFN package with the following pin configuration:

  1. VIN: Input Voltage
  2. GND: Ground
  3. VOUT: Output Voltage
  4. FLT: Fault Indicator
  5. EN: Enable Pin
  6. SDA: I2C Serial Data
  7. SCL: I2C Serial Clock
  8. VCC: Supply Voltage
  9. NC: No Connection
  10. NC: No Connection
  11. NC: No Connection
  12. NC: No Connection
  13. NC: No Connection
  14. NC: No Connection
  15. NC: No Connection
  16. NC: No Connection

Functional Features

  • Power Monitoring and Control
  • Overvoltage and Undervoltage Protection
  • Current Limiting
  • Thermal Shutdown Protection
  • I2C Interface for Configuration and Monitoring

Advantages and Disadvantages

Advantages: - High Efficiency Power Delivery - Wide Input Voltage Range - Programmable Thresholds for Flexibility - Comprehensive Protection Features - I2C Interface for Easy Configuration

Disadvantages: - Requires External Components for Operation - Limited Maximum Output Current (1.5A)

Working Principles

The LTC4282CUH#PBF operates by monitoring the input voltage, output voltage, and current flow. It uses programmable thresholds to detect overvoltage and undervoltage conditions, triggering appropriate protection mechanisms such as current limiting and thermal shutdown. The I2C interface allows for easy configuration and monitoring of the device.

Detailed Application Field Plans

The LTC4282CUH#PBF is suitable for a wide range of applications, including but not limited to: - Power Supplies - Battery Chargers - Industrial Equipment - Automotive Electronics - Telecommunications Systems

Detailed and Complete Alternative Models

  1. LTC4280CUH#PBF: Similar functionality with a different pin configuration.
  2. LTC4283CUH#PBF: Higher maximum output current (3A) with similar features.
  3. LTC4284CUH#PBF: Lower quiescent current (25µA) with similar features.

These alternative models provide options based on specific requirements and constraints.

Word count: 399 words

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi LTC4282CUH#PBF dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of LTC4282CUH#PBF in technical solutions:

  1. Q: What is LTC4282CUH#PBF? A: LTC4282CUH#PBF is a power over Ethernet (PoE) controller designed for use in technical solutions.

  2. Q: What is the purpose of LTC4282CUH#PBF? A: The purpose of LTC4282CUH#PBF is to provide power and control for PoE-enabled devices.

  3. Q: How does LTC4282CUH#PBF work? A: LTC4282CUH#PBF works by monitoring the power delivered to a PoE device and providing control signals to regulate the power supply.

  4. Q: What are the key features of LTC4282CUH#PBF? A: Some key features of LTC4282CUH#PBF include IEEE 802.3af/at compliant detection and classification, programmable current limit, and thermal shutdown protection.

  5. Q: Can LTC4282CUH#PBF be used with any PoE device? A: Yes, LTC4282CUH#PBF is compatible with most PoE devices that comply with the IEEE 802.3af/at standards.

  6. Q: What is the maximum power that LTC4282CUH#PBF can deliver? A: LTC4282CUH#PBF can deliver up to 25.5W of power to a PoE device.

  7. Q: Is LTC4282CUH#PBF suitable for outdoor applications? A: Yes, LTC4282CUH#PBF is designed to operate in a wide temperature range and is suitable for outdoor applications.

  8. Q: Can LTC4282CUH#PBF be used in industrial environments? A: Yes, LTC4282CUH#PBF is designed to withstand harsh industrial environments and has built-in protection features.

  9. Q: Does LTC4282CUH#PBF support power management features? A: Yes, LTC4282CUH#PBF supports power management features such as power good indication and fault reporting.

  10. Q: Are there any evaluation boards or reference designs available for LTC4282CUH#PBF? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs for LTC4282CUH#PBF to help with the development process.

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 consult with the manufacturer for detailed information.