ON Semiconductor
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NCP1075STCT3G
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NCP1075STCT3G

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Low standby power consumption - Wide input voltage range - Overvoltage and overcurrent protection - Thermal shutdown protection

Package: SOT-223

Essence: The NCP1075STCT3G is a power management IC designed for efficient power conversion in various applications.

Packaging/Quantity: The NCP1075STCT3G is available in tape and reel packaging, with 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 25V
  • Output Voltage Range: 0.8V to 20V
  • Maximum Output Current: 1.5A
  • Switching Frequency: 65kHz to 100kHz
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The NCP1075STCT3G 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. SS: Soft-start pin for controlled startup
  6. EN: Enable pin for turning the IC on/off
  7. VIN: Input voltage pin
  8. SW: Switching node for power transfer

Functional Features

  • Constant current mode operation
  • Pulse frequency modulation (PFM) control
  • Adjustable output voltage
  • Overvoltage protection
  • Overcurrent protection
  • Thermal shutdown protection
  • Soft-start function for controlled startup

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Low standby power consumption - Wide input voltage range for versatile applications - Built-in protection features for enhanced reliability - Compact SOT-223 package for space-constrained designs

Disadvantages: - Limited maximum output current (1.5A) - Requires external components for complete power management solution

Working Principles

The NCP1075STCT3G operates by converting the input voltage to a regulated output voltage using pulse frequency modulation (PFM) control. It maintains constant current mode operation and adjusts the switching frequency based on load requirements to optimize efficiency. The IC incorporates various protection mechanisms, such as overvoltage, overcurrent, and thermal shutdown, to ensure safe operation.

Detailed Application Field Plans

The NCP1075STCT3G is suitable for a wide range of applications, including but not limited to: - Power supplies for consumer electronics - Battery chargers - LED lighting systems - Industrial automation equipment - Automotive electronics

Detailed and Complete Alternative Models

  • NCP1076STCT3G
  • NCP1077STCT3G
  • NCP1078STCT3G
  • NCP1079STCT3G
  • NCP1080STCT3G

These alternative models offer similar functionality and characteristics, providing flexibility in design choices.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan NCP1075STCT3G dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of NCP1075STCT3G in technical solutions:

  1. Q: What is NCP1075STCT3G? A: NCP1075STCT3G is a high-performance, integrated power switch designed for various applications such as power supplies, LED lighting, and motor control.

  2. Q: What is the input voltage range of NCP1075STCT3G? A: The input voltage range of NCP1075STCT3G is typically between 7V and 25V.

  3. Q: What is the maximum output current that NCP1075STCT3G can handle? A: NCP1075STCT3G can handle a maximum output current of up to 700mA.

  4. Q: Can NCP1075STCT3G be used in offline applications? A: Yes, NCP1075STCT3G is suitable for offline applications as it has built-in protection features like overvoltage and overcurrent protection.

  5. Q: Does NCP1075STCT3G require an external MOSFET? A: No, NCP1075STCT3G integrates a high-voltage MOSFET internally, eliminating the need for an external one.

  6. Q: What is the switching frequency of NCP1075STCT3G? A: The switching frequency of NCP1075STCT3G is typically around 65kHz.

  7. Q: Can NCP1075STCT3G operate in continuous or discontinuous mode? A: NCP1075STCT3G can operate in both continuous and discontinuous modes, depending on the load conditions.

  8. Q: Is NCP1075STCT3G suitable for dimmable LED lighting applications? A: Yes, NCP1075STCT3G supports dimming functionality and can be used in dimmable LED lighting applications.

  9. Q: What are the protection features of NCP1075STCT3G? A: NCP1075STCT3G includes protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.

  10. Q: Is NCP1075STCT3G available in a small package? A: Yes, NCP1075STCT3G is available in a compact SOT-223 package, making it suitable for space-constrained applications.

Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.