Texas Instruments
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LM5112SDX/NOPB
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LM5112SDX/NOPB

Product Overview

Category: Integrated Circuit
Use: Power Management
Characteristics: High efficiency, wide input voltage range
Package: LLP-8
Essence: High-performance synchronous buck controller
Packaging/Quantity: Tape & Reel, 2500 units

Specifications

  • Input Voltage Range: 4.5V to 100V
  • Output Voltage Range: 0.6V to 95% of VIN
  • Switching Frequency: 50kHz to 1MHz
  • Operating Temperature Range: -40°C to 125°C
  • Efficiency: Up to 98%

Detailed Pin Configuration

  1. VIN: Input voltage
  2. PGND: Power ground
  3. BOOT: Bootstrap capacitor connection
  4. PH: Phase node for high-side MOSFET
  5. LGATE: Low-side gate driver output
  6. VCC: Controller supply voltage
  7. COMP: Compensation pin
  8. FB: Feedback voltage input

Functional Features

  • Wide input voltage range
  • Adaptive dead-time control
  • Programmable soft-start
  • Overcurrent protection
  • Thermal shutdown

Advantages and Disadvantages

Advantages: - High efficiency - Wide input voltage range - Comprehensive protection features

Disadvantages: - Requires external components for operation - Limited output current capability

Working Principles

The LM5112SDX/NOPB is a high-performance synchronous buck controller designed to regulate the output voltage of power supplies. It operates by controlling the duty cycle of the high-side and low-side MOSFETs to achieve the desired output voltage.

Detailed Application Field Plans

The LM5112SDX/NOPB is suitable for various applications including: - Industrial power supplies - Automotive power systems - Telecommunication equipment - Renewable energy systems

Detailed and Complete Alternative Models

  1. LM5113
  2. LM5114
  3. LM5122

In conclusion, the LM5112SDX/NOPB is a versatile and efficient power management solution suitable for a wide range of applications. Its high-performance characteristics and comprehensive protection features make it an ideal choice for demanding power supply designs.

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Liste 10 perguntas e respostas comuns relacionadas à aplicação de LM5112SDX/NOPB em soluções técnicas

  1. Question: What is the maximum operating voltage of LM5112SDX/NOPB?
    Answer: The maximum operating voltage of LM5112SDX/NOPB is 100V.

  2. Question: What is the typical output current capability of LM5112SDX/NOPB?
    Answer: The typical output current capability of LM5112SDX/NOPB is 1A.

  3. Question: Can LM5112SDX/NOPB be used in automotive applications?
    Answer: Yes, LM5112SDX/NOPB is suitable for automotive applications.

  4. Question: What is the recommended input voltage range for LM5112SDX/NOPB?
    Answer: The recommended input voltage range for LM5112SDX/NOPB is 4.5V to 100V.

  5. Question: Does LM5112SDX/NOPB have built-in protection features?
    Answer: Yes, LM5112SDX/NOPB includes overcurrent and thermal shutdown protection.

  6. Question: Is LM5112SDX/NOPB suitable for power over Ethernet (PoE) applications?
    Answer: Yes, LM5112SDX/NOPB can be used in power over Ethernet (PoE) applications.

  7. Question: What is the typical switching frequency of LM5112SDX/NOPB?
    Answer: The typical switching frequency of LM5112SDX/NOPB is 500kHz.

  8. Question: Can LM5112SDX/NOPB be used in industrial control systems?
    Answer: Yes, LM5112SDX/NOPB is suitable for industrial control systems.

  9. Question: What is the thermal resistance of LM5112SDX/NOPB?
    Answer: The thermal resistance of LM5112SDX/NOPB is 50°C/W.

  10. Question: Is LM5112SDX/NOPB RoHS compliant?
    Answer: Yes, LM5112SDX/NOPB is RoHS compliant.