ON Semiconductor
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NCP1013AP133G
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NCP1013AP133G

Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - Low-power offline Switcher - Fixed-frequency current-mode controller - High-voltage startup - Built-in frequency jittering for EMI reduction - Pulse-by-pulse current limiting - Overvoltage protection - Latching thermal shutdown - Soft-start function

Package: TO-220-5L

Essence: The NCP1013AP133G is a low-power offline switcher IC used in power management applications. It provides various features such as high-voltage startup, frequency jittering for EMI reduction, and overvoltage protection.

Packaging/Quantity: The NCP1013AP133G is available in a TO-220-5L package.

Specifications

  • Input Voltage Range: 85V to 265V AC
  • Output Voltage: 12V DC
  • Maximum Output Current: 100mA
  • Operating Temperature Range: -40°C to +125°C
  • Frequency Jittering Range: ±4%

Pin Configuration

The NCP1013AP133G has the following pin configuration:

  1. VCC: Supply voltage input
  2. GND: Ground reference
  3. CS: Current sense input
  4. FB: Feedback input
  5. Drain: Power MOSFET drain connection

Functional Features

  1. Low-Power Operation: The NCP1013AP133G is designed for low-power applications, making it suitable for energy-efficient devices.
  2. Frequency Jittering: Built-in frequency jittering reduces electromagnetic interference (EMI) emissions, ensuring compliance with regulatory standards.
  3. Overvoltage Protection: The IC includes overvoltage protection, safeguarding the connected circuitry from potential damage.
  4. Pulse-by-Pulse Current Limiting: The pulse-by-pulse current limiting feature protects the IC and connected components from excessive currents.
  5. Latching Thermal Shutdown: In case of overheating, the IC enters a latching thermal shutdown mode to prevent damage due to excessive temperature.
  6. Soft-Start Function: The soft-start function gradually ramps up the output voltage, reducing stress on the system during startup.

Advantages

  • Low-power operation for energy-efficient applications
  • Frequency jittering reduces EMI emissions
  • Overvoltage protection ensures circuit safety
  • Pulse-by-pulse current limiting protects components
  • Latching thermal shutdown prevents damage from overheating
  • Soft-start function reduces startup stress

Disadvantages

  • Limited maximum output current (100mA)
  • Restricted input voltage range (85V to 265V AC)

Working Principles

The NCP1013AP133G operates as a fixed-frequency current-mode controller. It regulates the output voltage by adjusting the duty cycle of the power MOSFET based on the feedback signal. The built-in frequency jittering helps reduce EMI emissions. The IC also includes various protection features such as overvoltage protection, pulse-by-pulse current limiting, and latching thermal shutdown.

Application Field Plans

The NCP1013AP133G is commonly used in the following applications:

  1. Power supplies for low-power electronic devices
  2. LED lighting systems
  3. Battery chargers
  4. Home appliances
  5. Industrial control systems

Alternative Models

  1. NCP1013AP065G: Similar specifications with a lower output voltage of 6.5V.
  2. NCP1013AP150G: Similar specifications with a higher output voltage of 15V.
  3. NCP1013AP200G: Similar specifications with a higher output voltage of 20V.

These alternative models provide flexibility in choosing the appropriate output voltage for specific applications.

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Перечислите 10 распространенных вопросов и ответов, связанных с применением NCP1013AP133G в технических решениях.

Sure! Here are 10 common questions and answers related to the application of NCP1013AP133G in technical solutions:

  1. Q: What is NCP1013AP133G? A: NCP1013AP133G is a power management IC (PMIC) designed for offline flyback converters used in various applications.

  2. Q: What is the input voltage range supported by NCP1013AP133G? A: NCP1013AP133G supports an input voltage range of 85VAC to 265VAC.

  3. Q: What is the output power range that can be achieved using NCP1013AP133G? A: The output power range achievable with NCP1013AP133G typically ranges from a few watts up to around 15 watts.

  4. Q: Can NCP1013AP133G be used in both isolated and non-isolated applications? A: Yes, NCP1013AP133G can be used in both isolated and non-isolated applications depending on the specific design requirements.

  5. Q: Does NCP1013AP133G have built-in protection features? A: Yes, NCP1013AP133G incorporates various protection features such as overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown.

  6. Q: What is the typical efficiency of NCP1013AP133G? A: The typical efficiency of NCP1013AP133G is around 80-85% depending on the operating conditions and load.

  7. Q: Can NCP1013AP133G operate in continuous or discontinuous conduction mode? A: NCP1013AP133G can operate in both continuous conduction mode (CCM) and discontinuous conduction mode (DCM) depending on the design configuration.

  8. Q: What is the maximum switching frequency supported by NCP1013AP133G? A: The maximum switching frequency supported by NCP1013AP133G is typically around 100 kHz.

  9. Q: Does NCP1013AP133G require an external oscillator or clock source? A: No, NCP1013AP133G has an internal oscillator and does not require an external oscillator or clock source.

  10. Q: Can NCP1013AP133G be used in dimmable LED lighting applications? A: Yes, NCP1013AP133G can be used in dimmable LED lighting applications with appropriate circuitry and control mechanisms.