ON Semiconductor
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NCP1380ADR2G
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NCP1380ADR2G

Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

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

Package: SOIC-8

Essence: The NCP1380ADR2G is a power management IC designed for various applications that require efficient power conversion and control.

Packaging/Quantity: The NCP1380ADR2G is available in tape and reel packaging, with 2500 units per reel.

Specifications

The NCP1380ADR2G has the following specifications:

  • Input Voltage Range: 85V to 265V AC
  • Output Voltage: Adjustable from 5V to 24V DC
  • Maximum Output Current: 1.5A
  • Switching Frequency: 65kHz
  • Standby Power Consumption: Less than 100mW
  • Operating Temperature Range: -40°C to +125°C

Pin Configuration

The NCP1380ADR2G has the following pin configuration:

  1. VCC: Power supply input
  2. GND: Ground
  3. FB: Feedback pin for output voltage regulation
  4. COMP: Compensation pin for stability control
  5. CS: Current sense pin for overcurrent protection
  6. SS: Soft-start pin for controlled startup
  7. DRAIN: Switching transistor drain pin
  8. VCCSENSE: Supply voltage sensing pin

Functional Features

The NCP1380ADR2G offers the following functional features:

  • Constant voltage (CV) and constant current (CC) modes
  • Overvoltage protection (OVP)
  • Overcurrent protection (OCP)
  • Soft-start function for controlled startup
  • Frequency jittering for reduced EMI emissions
  • Cycle-by-cycle current limiting

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Wide input voltage range for versatile applications - Overvoltage and overcurrent protection ensure system safety - Low standby power consumption reduces energy waste - Compact SOIC-8 package for space-constrained designs

Disadvantages: - Limited maximum output current (1.5A) - Fixed switching frequency may not be suitable for all applications

Working Principles

The NCP1380ADR2G operates as a flyback converter, converting the high-voltage AC input to a regulated DC output. It utilizes a switching transistor to control the energy transfer from the primary to the secondary side of the transformer. The feedback loop ensures stable output voltage regulation, while the various protection features safeguard the system from voltage spikes and excessive current.

Application Field Plans

The NCP1380ADR2G is commonly used in the following application fields:

  1. Power adapters for consumer electronics
  2. LED lighting systems
  3. Industrial power supplies
  4. Home appliances
  5. Battery chargers

Alternative Models

Here are some alternative models that offer similar functionality to the NCP1380ADR2G:

  1. NCP1377BDR2G
  2. NCP1396ADR2G
  3. NCP1653ADR2G
  4. NCP1342ADR2G
  5. NCP1014AP065G

These alternative models can be considered based on specific requirements and design constraints.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af NCP1380ADR2G i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of NCP1380ADR2G in technical solutions:

  1. Q: What is NCP1380ADR2G? A: NCP1380ADR2G is a high-performance, integrated power factor correction (PFC) controller designed for offline switch-mode power supplies.

  2. Q: What is the purpose of NCP1380ADR2G in a technical solution? A: The NCP1380ADR2G is used to improve power factor, reduce harmonic distortion, and enhance overall efficiency in power supply designs.

  3. Q: What is the input voltage range supported by NCP1380ADR2G? A: The NCP1380ADR2G supports an input voltage range from 85VAC to 265VAC.

  4. Q: Can NCP1380ADR2G handle universal input voltage applications? A: Yes, the NCP1380ADR2G is specifically designed to handle universal input voltage applications.

  5. Q: What is the maximum switching frequency supported by NCP1380ADR2G? A: The NCP1380ADR2G supports a maximum switching frequency of 150kHz.

  6. Q: Does NCP1380ADR2G have built-in protection features? A: Yes, the NCP1380ADR2G includes various protection features such as overvoltage protection, overcurrent protection, and over-temperature protection.

  7. Q: Can NCP1380ADR2G be used in both continuous conduction mode (CCM) and discontinuous conduction mode (DCM)? A: Yes, the NCP1380ADR2G can operate in both CCM and DCM depending on the specific application requirements.

  8. Q: What is the typical efficiency of NCP1380ADR2G? A: The typical efficiency of NCP1380ADR2G is around 95%, making it highly efficient in power supply designs.

  9. Q: Does NCP1380ADR2G support dimmable LED applications? A: Yes, NCP1380ADR2G can be used in dimmable LED applications by integrating additional circuitry for dimming control.

  10. Q: Is NCP1380ADR2G RoHS compliant? A: Yes, NCP1380ADR2G is RoHS compliant, ensuring it meets the environmental standards for hazardous substances.

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