ON Semiconductor
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NCP1075AAP065G
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NCP1075AAP065G

Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency - Low standby power consumption - Wide input voltage range - Overvoltage protection - Overcurrent protection

Package: TO-220-7L

Essence: The NCP1075AAP065G is a power management IC designed for efficient power conversion in various applications.

Packaging/Quantity: Available in tape and reel packaging, with 250 units per reel.

Specifications

  • Input Voltage Range: 85V to 265V AC
  • Output Voltage: 6.5V DC
  • Output Current: Up to 1A
  • Switching Frequency: 65kHz
  • Standby Power Consumption: Less than 100mW
  • Operating Temperature Range: -40°C to +125°C

Pin Configuration

The NCP1075AAP065G 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. CS: Current sense pin for overcurrent protection
  6. DRAIN: Drain pin for power MOSFET
  7. SYNC: Synchronization pin for external clock input

Functional Features

  • Primary-side regulation (PSR) control
  • Built-in high-voltage startup circuit
  • Cycle-by-cycle current limiting
  • Soft-start function
  • Frequency jittering for reduced EMI
  • Auto-recovery overvoltage protection
  • Auto-recovery overcurrent protection

Advantages

  • High efficiency conversion
  • Compact size and low component count
  • Wide input voltage range for universal compatibility
  • Robust protection features for enhanced reliability
  • Low standby power consumption for energy savings

Disadvantages

  • Limited output current capacity (up to 1A)
  • Requires external synchronization for higher frequency operation

Working Principles

The NCP1075AAP065G utilizes primary-side regulation (PSR) control, where the feedback signal is derived from the primary side of the power transformer. This eliminates the need for an optocoupler or secondary-side feedback circuitry, reducing component count and cost.

The IC operates in a quasi-resonant mode, which allows it to achieve high efficiency by minimizing switching losses. It employs a cycle-by-cycle current limiting mechanism to protect against overcurrent conditions. The built-in high-voltage startup circuit ensures reliable startup even at low input voltages.

Detailed Application Field Plans

The NCP1075AAP065G is commonly used in various applications, including:

  1. AC-DC power supplies
  2. LED lighting systems
  3. Home appliances
  4. Industrial equipment
  5. Consumer electronics

Alternative Models

Other alternative models that can be considered for similar applications include:

  1. NCP1075AAP050G: Output voltage of 5V DC
  2. NCP1075AAP080G: Output voltage of 8V DC
  3. NCP1075AAP120G: Output voltage of 12V DC

These alternative models offer different output voltage options to suit specific application requirements.

In conclusion, the NCP1075AAP065G is a highly efficient power management IC designed for various applications. Its compact size, wide input voltage range, and robust protection features make it a versatile choice for power conversion needs.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací NCP1075AAP065G v technických řešeních

Sure! Here are 10 common questions and answers related to the application of NCP1075AAP065G in technical solutions:

  1. Q: What is NCP1075AAP065G? A: NCP1075AAP065G is a power management IC (PMIC) designed for offline flyback converters used in various technical solutions.

  2. Q: What is the input voltage range of NCP1075AAP065G? A: The input voltage range of NCP1075AAP065G is typically from 85VAC to 265VAC.

  3. Q: What is the output power capability of NCP1075AAP065G? A: NCP1075AAP065G can deliver up to 6.5W of output power.

  4. Q: Can NCP1075AAP065G be used in low-power applications? A: Yes, NCP1075AAP065G is suitable for both low-power and medium-power applications.

  5. Q: Does NCP1075AAP065G have built-in protection features? A: Yes, NCP1075AAP065G includes various protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.

  6. Q: What is the operating frequency of NCP1075AAP065G? A: NCP1075AAP065G operates at a fixed frequency of approximately 65kHz.

  7. Q: Can NCP1075AAP065G operate in continuous or discontinuous conduction mode? A: NCP1075AAP065G can operate in both continuous conduction mode (CCM) and discontinuous conduction mode (DCM).

  8. Q: Is NCP1075AAP065G compatible with dimming control for LED lighting applications? A: Yes, NCP1075AAP065G supports dimming control for LED lighting applications through its dedicated pin.

  9. Q: Does NCP1075AAP065G require an external MOSFET? A: Yes, NCP1075AAP065G requires an external MOSFET to function as a switch in the flyback converter.

  10. Q: What is the typical efficiency of NCP1075AAP065G? A: The typical efficiency of NCP1075AAP065G is around 85-90% depending on the operating conditions and load.

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