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LM5100CMYX/NOPB
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LM5100CMYX/NOPB

Product Overview

Category: Integrated Circuit
Use: Power Management
Characteristics: High efficiency, wide input voltage range
Package: 16-VQFN Exposed Pad
Essence: High-performance synchronous buck controller
Packaging/Quantity: Tape & Reel (TR) 250 units

Specifications

  • Input Voltage: 4.5V to 75V
  • Output Voltage: 0.8V to 60V
  • Output Current: Up to 10A
  • Switching Frequency: 100kHz to 2MHz
  • Operating Temperature: -40°C to 125°C

Detailed Pin Configuration

  1. VIN: Input Voltage
  2. PGND: Power Ground
  3. BOOT: Bootstrap Supply for High-Side Gate Driver
  4. HO: High-Side Gate Drive Output
  5. LO: Low-Side Gate Drive Output
  6. COMP: Compensation Node
  7. SS/TRK: Soft Start/Tracking
  8. FB: Feedback Input
  9. VCC: Controller Supply Voltage
  10. RT/CLK: Oscillator Frequency Set/External Clock Synchronization
  11. SYNC: External Clock Synchronization
  12. EN: Enable
  13. UVLO: Under Voltage Lockout
  14. OVLO: Over Voltage Lockout
  15. SS/TRK: Soft Start/Tracking
  16. PGND: Power Ground

Functional Features

  • Wide Input Voltage Range
  • Adjustable Output Voltage
  • Synchronous Rectification
  • Programmable Soft Start
  • Overcurrent Protection
  • Thermal Shutdown

Advantages and Disadvantages

Advantages: - High Efficiency - Wide Input Voltage Range - Flexible Frequency Synchronization - Robust Protection Features

Disadvantages: - Higher Cost Compared to Non-Synchronous Buck Controllers - More Complex Design Considerations

Working Principles

The LM5100CMYX/NOPB is a high-performance synchronous buck controller designed to efficiently regulate the output voltage from a higher input voltage source. It utilizes synchronous rectification to minimize power loss and maximize efficiency. The controller features adjustable soft start, frequency synchronization, and comprehensive protection mechanisms to ensure reliable operation in various applications.

Detailed Application Field Plans

The LM5100CMYX/NOPB is well-suited for a wide range of applications including: - Industrial Power Supplies - Automotive Electronics - Telecommunication Equipment - Renewable Energy Systems - LED Lighting

Detailed and Complete Alternative Models

  1. LM5110
  2. LM5120
  3. LM5140
  4. LM5150

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi LM5100CMYX/NOPB dalam penyelesaian teknikal

  1. What is the maximum operating frequency of LM5100CMYX/NOPB?
    - The maximum operating frequency of LM5100CMYX/NOPB is 2 MHz.

  2. Can LM5100CMYX/NOPB be used in automotive applications?
    - Yes, LM5100CMYX/NOPB is suitable for automotive applications.

  3. What is the input voltage range for LM5100CMYX/NOPB?
    - The input voltage range for LM5100CMYX/NOPB is 4.5V to 100V.

  4. Does LM5100CMYX/NOPB have built-in protection features?
    - Yes, LM5100CMYX/NOPB includes overcurrent protection and thermal shutdown.

  5. Is LM5100CMYX/NOPB suitable for motor drive applications?
    - Yes, LM5100CMYX/NOPB is commonly used in motor drive applications.

  6. What is the typical output current capability of LM5100CMYX/NOPB?
    - The typical output current capability of LM5100CMYX/NOPB is 1A.

  7. Can LM5100CMYX/NOPB be used in industrial control systems?
    - Yes, LM5100CMYX/NOPB is well-suited for industrial control systems.

  8. What is the recommended operating temperature range for LM5100CMYX/NOPB?
    - The recommended operating temperature range for LM5100CMYX/NOPB is -40°C to 125°C.

  9. Does LM5100CMYX/NOPB require an external diode?
    - No, LM5100CMYX/NOPB includes an integrated bootstrap diode.

  10. Is LM5100CMYX/NOPB RoHS compliant?
    - Yes, LM5100CMYX/NOPB is RoHS compliant.