ON Semiconductor
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NCP1077P065G
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NCP1077P065G - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Low standby power consumption - Wide input voltage range - Overvoltage and overcurrent protection - Thermal shutdown protection

Package: TO-220-5L

Essence: The NCP1077P065G is a power management IC designed for efficient power conversion in various applications.

Packaging/Quantity: The NCP1077P065G is typically sold in reels of 250 units.

Specifications

  • Input Voltage Range: 85V to 265V AC
  • Output Voltage: 6.5V DC
  • Output Current: Up to 1A
  • Efficiency: Up to 90%
  • Standby Power Consumption: Less than 100mW
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The NCP1077P065G has the following pin configuration:

  1. VCC: Power supply input
  2. GND: Ground reference
  3. FB: Feedback pin for output voltage regulation
  4. COMP: Compensation pin for stability control
  5. HV: High-voltage startup pin

Functional Features

  • Primary-side regulation (PSR) control
  • Frequency jittering for reduced EMI emissions
  • Cycle-by-cycle current limit protection
  • Built-in soft-start function
  • Auto-restart after fault condition removal

Advantages and Disadvantages

Advantages: - High efficiency leads to energy savings - Wide input voltage range allows for versatile applications - Overvoltage and overcurrent protection ensure system safety - Low standby power consumption reduces wasted energy - Thermal shutdown protection prevents overheating

Disadvantages: - Limited output current capacity (up to 1A) - Requires external components for complete power supply design

Working Principles

The NCP1077P065G utilizes primary-side regulation (PSR) control, where the output voltage is sensed directly from the primary side of the transformer. This eliminates the need for an optocoupler or secondary-side feedback circuitry, simplifying the design and reducing costs. The IC operates in a frequency jittering mode to minimize electromagnetic interference (EMI) emissions.

Detailed Application Field Plans

The NCP1077P065G is commonly used in the following applications:

  1. Power adapters
  2. LED lighting drivers
  3. Home appliances
  4. Industrial equipment
  5. Consumer electronics

Detailed and Complete Alternative Models

  1. NCP1077P065G-A: Similar specifications with enhanced EMI performance
  2. NCP1077P065G-B: Higher output current capability (up to 2A)
  3. NCP1077P065G-C: Lower standby power consumption (<50mW)

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

Word Count: 315 words

רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של NCP1077P065G בפתרונות טכניים

Sure! Here are 10 common questions and answers related to the application of NCP1077P065G in technical solutions:

  1. Q: What is NCP1077P065G? A: NCP1077P065G is a power management IC (PMIC) designed for offline flyback converters used in various technical applications.

  2. Q: What is the input voltage range supported by NCP1077P065G? A: NCP1077P065G supports an input voltage range from 85V AC to 265V AC.

  3. Q: What is the output power rating of NCP1077P065G? A: NCP1077P065G has an output power rating of 6.5W.

  4. Q: Can NCP1077P065G be used in low-power applications? A: Yes, NCP1077P065G can be used in low-power applications as it provides excellent efficiency even at light loads.

  5. Q: Does NCP1077P065G have built-in protection features? A: Yes, NCP1077P065G includes various protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.

  6. Q: What is the operating frequency of NCP1077P065G? A: NCP1077P065G operates at a fixed frequency of 65kHz.

  7. Q: Can NCP1077P065G be used in both isolated and non-isolated applications? A: Yes, NCP1077P065G can be used in both isolated and non-isolated applications depending on the design requirements.

  8. Q: Is NCP1077P065G suitable for universal input voltage applications? A: Yes, NCP1077P065G is designed to work with a wide input voltage range, making it suitable for universal input voltage applications.

  9. Q: Does NCP1077P065G require an external MOSFET? A: Yes, NCP1077P065G requires an external MOSFET for the power switching function.

  10. Q: What are the typical applications of NCP1077P065G? A: NCP1077P065G is commonly used in applications such as LED lighting, smart home devices, industrial automation, and consumer electronics.

Please note that these answers are general and may vary depending on specific design considerations and requirements.