ON Semiconductor
Зображення може бути репрезентативним.
Деталі продукту див. у специфікаціях.
NCP1397ADR2G
Переглянути деталі Таблиці даних

NCP1397ADR2G

Product Overview

Category

NCP1397ADR2G belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This product is commonly used in various power supply systems, including switch-mode power supplies (SMPS), offline flyback converters, and LED drivers.

Characteristics

  • High efficiency: The NCP1397ADR2G offers excellent power conversion efficiency, reducing energy waste.
  • Wide input voltage range: It can operate with a wide range of input voltages, making it suitable for different power supply applications.
  • Protection features: This IC incorporates various protection mechanisms such as overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown, ensuring safe operation under abnormal conditions.

Package

The NCP1397ADR2G is available in a small outline package (SOIC) with eight pins. This package provides ease of handling and compatibility with standard PCB manufacturing processes.

Essence

The essence of NCP1397ADR2G lies in its ability to efficiently regulate and control power flow in various applications, ensuring stable and reliable power supply.

Packaging/Quantity

This product is typically supplied in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

  • Input Voltage Range: 10V - 20V
  • Output Voltage Range: 5V - 12V
  • Maximum Output Current: 2A
  • Operating Temperature Range: -40°C to +85°C
  • Switching Frequency: 100kHz - 500kHz

Detailed Pin Configuration

  1. VCC: Power supply input pin.
  2. GND: Ground reference pin.
  3. FB: Feedback pin for regulating the output voltage.
  4. COMP: Compensation pin for stability control.
  5. CS: Current sense pin for overcurrent protection.
  6. EN: Enable pin for turning the IC on/off.
  7. DRAIN: High-voltage power switch drain pin.
  8. VCC_AUX: Auxiliary power supply input pin.

Functional Features

  • Constant voltage (CV) and constant current (CC) regulation modes.
  • Soft-start function to prevent excessive inrush current during startup.
  • Frequency jittering for reduced electromagnetic interference (EMI).
  • Built-in protection features such as OVP, OCP, and thermal shutdown.

Advantages and Disadvantages

Advantages

  • High efficiency leads to energy savings.
  • Wide input voltage range allows for versatile applications.
  • Compact package size facilitates integration into various designs.
  • Comprehensive protection mechanisms enhance system reliability.

Disadvantages

  • Limited maximum output current may restrict usage in high-power applications.
  • Requires external components for complete power supply implementation.

Working Principles

The NCP1397ADR2G operates based on a pulse width modulation (PWM) control scheme. It regulates the output voltage by adjusting the duty cycle of the switching signal applied to the power switch. This control mechanism ensures that the desired output voltage is maintained within specified limits, even under varying load conditions.

Detailed Application Field Plans

The NCP1397ADR2G finds extensive application in the following areas:

  1. Switch-mode power supplies (SMPS) for consumer electronics.
  2. Offline flyback converters used in televisions and computer monitors.
  3. LED drivers for lighting applications.
  4. Battery chargers for portable devices.
  5. Industrial power supplies for automation systems.

Detailed and Complete Alternative Models

  1. NCP1377BDR2G: Similar functionality with minor variations in specifications.
  2. NCP1653ADR2G: Suitable for low-power applications with different pin configuration.
  3. NCP1014AP065G: Designed for high-voltage power supply applications.

Please note that the above alternative models are just a few examples, and there are several other alternatives available in the market with varying features and specifications.

Word count: 550 words

Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням NCP1397ADR2G у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of NCP1397ADR2G in technical solutions:

  1. Q: What is NCP1397ADR2G? A: NCP1397ADR2G is a voltage mode controller IC used for power factor correction (PFC) applications.

  2. Q: What is the input voltage range supported by NCP1397ADR2G? A: The input voltage range supported by NCP1397ADR2G is typically between 85VAC and 265VAC.

  3. Q: What is the output voltage range of NCP1397ADR2G? A: NCP1397ADR2G does not directly control the output voltage. It is primarily used for PFC, which improves power quality and efficiency.

  4. Q: Can NCP1397ADR2G be used for both single-phase and three-phase applications? A: Yes, NCP1397ADR2G can be used for both single-phase and three-phase applications.

  5. Q: What is the maximum switching frequency supported by NCP1397ADR2G? A: The maximum switching frequency supported by NCP1397ADR2G is typically around 300kHz.

  6. Q: Does NCP1397ADR2G have built-in protection features? A: Yes, NCP1397ADR2G has various built-in protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.

  7. Q: Can NCP1397ADR2G operate in continuous conduction mode (CCM)? A: Yes, NCP1397ADR2G can operate in both continuous conduction mode (CCM) and discontinuous conduction mode (DCM).

  8. Q: What is the typical efficiency of NCP1397ADR2G? A: The typical efficiency of NCP1397ADR2G depends on the specific application and design, but it can achieve high power conversion efficiencies.

  9. Q: Is NCP1397ADR2G suitable for high-power applications? A: Yes, NCP1397ADR2G is suitable for high-power applications as it can handle high input voltages and support high switching frequencies.

  10. Q: Are there any evaluation boards or reference designs available for NCP1397ADR2G? A: Yes, ON Semiconductor provides evaluation boards and reference designs for NCP1397ADR2G to help with the development and implementation process.

Please note that the answers provided here are general and may vary depending on the specific application and design considerations. It is always recommended to refer to the datasheet and consult with technical experts for accurate information.