ON Semiconductor
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NCP1216AP133G
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NCP1216AP133G - 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 protection - Overcurrent protection

Package: SOP-8 (Small Outline Package)

Essence: The NCP1216AP133G is a power management IC designed for efficient power conversion and control.

Packaging/Quantity: Available in reels, with 2500 units per reel.

Specifications

  • Input Voltage Range: 85V to 265V AC
  • Output Voltage: 12V DC
  • Maximum Output Current: 1.33A
  • Operating Temperature Range: -40°C to +125°C
  • Switching Frequency: 65kHz

Detailed Pin Configuration

The NCP1216AP133G 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 loop stability
  5. CS: Current sense pin for overcurrent protection
  6. DRAIN: Drain pin for power MOSFET
  7. VDD: Internal bias voltage supply
  8. 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
  • Frequency jittering for reduced EMI
  • Soft-start function for controlled startup
  • Auto-restart protection against fault conditions

Advantages

  • High efficiency conversion
  • Compact size and low component count
  • Wide input voltage range for universal applications
  • Robust protection features for enhanced reliability
  • Reduced electromagnetic interference (EMI) emissions

Disadvantages

  • Limited output current capacity
  • Requires external components for complete power supply design
  • Not suitable for high-power applications

Working Principles

The NCP1216AP133G utilizes primary-side regulation (PSR) control to regulate the output voltage. It operates in a flyback topology, where energy is stored in an inductor during the switch-on period and transferred to the output during the switch-off period. The IC controls the switching of the power MOSFET based on feedback received from the output voltage through the FB pin. This allows for efficient power conversion and regulation.

Detailed Application Field Plans

The NCP1216AP133G is commonly used in various low-power applications, including:

  1. Power supplies for consumer electronics
  2. LED lighting systems
  3. Home automation devices
  4. Battery chargers
  5. Industrial control systems

Detailed and Complete Alternative Models

  1. NCP1216AD133G: Similar specifications with different package (DIP-8)
  2. NCP1216BP133G: Higher output current capacity (1.5A)
  3. NCP1216CP133G: Lower output voltage (5V)

These alternative models provide flexibility in choosing the most suitable option based on specific application requirements.

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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של NCP1216AP133G בפתרונות טכניים

Sure! Here are 10 common questions and answers related to the application of NCP1216AP133G in technical solutions:

  1. Q: What is NCP1216AP133G? A: NCP1216AP133G is a specific model of integrated circuit (IC) used for power management in various technical solutions.

  2. Q: What are the main features of NCP1216AP133G? A: Some key features of NCP1216AP133G include high voltage startup, current mode control, adjustable frequency operation, and built-in protection mechanisms.

  3. Q: In which applications can NCP1216AP133G be used? A: NCP1216AP133G can be used in a wide range of applications such as power supplies, LED lighting, battery chargers, and other systems requiring efficient power management.

  4. Q: How does NCP1216AP133G help in power management? A: NCP1216AP133G provides control and regulation of power flow, ensuring efficient conversion and distribution of electrical energy within a system.

  5. Q: Can NCP1216AP133G handle high voltages? A: Yes, NCP1216AP133G is designed to handle high input voltages, making it suitable for applications that require voltage regulation.

  6. Q: Does NCP1216AP133G have any built-in protection features? A: Yes, NCP1216AP133G incorporates various protection mechanisms like overvoltage protection, overcurrent protection, and thermal shutdown to safeguard the system.

  7. Q: Is NCP1216AP133G programmable or configurable? A: No, NCP1216AP133G is not programmable or configurable. It operates based on its internal circuitry and external component values.

  8. Q: What is the typical efficiency of NCP1216AP133G? A: The efficiency of NCP1216AP133G depends on the specific application and circuit design, but it can achieve high efficiencies in power management systems.

  9. Q: Can NCP1216AP133G be used in both AC and DC applications? A: Yes, NCP1216AP133G can be used in both AC (alternating current) and DC (direct current) applications, providing flexibility in system design.

  10. Q: Are there any recommended reference designs or application notes available for NCP1216AP133G? A: Yes, the manufacturer of NCP1216AP133G typically provides reference designs and application notes that can help engineers in implementing the IC effectively in their technical solutions.

Please note that the answers provided here are general and may vary depending on the specific requirements and implementation of NCP1216AP133G in a particular technical solution.