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NCP81109CMNTXG

PWM switching Controller IC

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  • Part Number : NCP81109CMNTXG

  • Package/Case : 48-VFQFNExposedPad

  • Brands : onsemi

  • Components Categories : DC DC Switching Controllers

  • Datesheet : NCP81109CMNTXG DataSheet (PDF)

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Overview of NCP81109CMNTXG

The NCP81109CMNTXG is a synchronous buck controller IC designed for high-efficiency DC-DC conversion applications. It features a wide input voltage range and is capable of delivering a regulated output voltage, making it ideal for various power supply designs.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VIN: Input Voltage
  • VOUT: Output Voltage

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the NCP81109CMNTXG IC for a better understanding of its usage.

Key Features

  • Wide Input Voltage Range: The NCP81109CMNTXG supports a broad input voltage range, allowing flexibility in power supply designs.
  • High Efficiency: This IC offers high efficiency in DC-DC conversion, reducing power losses and improving overall system performance.
  • Regulated Output: Capable of providing a stable and regulated output voltage, ensuring reliable operation of connected devices.
  • Protection Features: Includes overcurrent protection, overvoltage protection, and thermal shutdown for enhanced system safety.
  • Adjustable Parameters: Features adjustable soft-start, tracking, and external ramping control for fine-tuning power supply operation.

Note: For detailed technical specifications, please refer to the NCP81109CMNTXG datasheet.

Application

  • Power Supply Design: Ideal for use in designing efficient and regulated power supplies for various electronic systems.
  • DC-DC Conversion: Suitable for applications requiring DC-DC voltage conversion with high efficiency and stable output.
  • Embedded Systems: Used in embedded systems, IoT devices, and other electronics requiring controlled power delivery.

Functionality

The NCP81109CMNTXG is a synchronous buck controller that enables efficient and regulated power conversion in electronic systems. It provides essential control features for customizing power supply operation as needed.

Usage Guide

  • Input Connections: Connect VIN to the input voltage source and GND to the system ground.
  • Output Regulation: Adjust VOUT and use the feedback pin to monitor and regulate the output voltage.
  • Control Inputs: Utilize soft-start, tracking, and enable pins as needed for specific power supply requirements.

Frequently Asked Questions

Q: What is the typical efficiency of the NCP81109CMNTXG?
A: The NCP81109CMNTXG offers high efficiency, typically above 90%, in DC-DC conversion applications.

Q: Is the NCP81109CMNTXG suitable for automotive applications?
A: Yes, the NCP81109CMNTXG is designed to meet automotive standards and can be used in automotive power supply designs.

Equivalent

For similar functionalities, consider these alternatives to the NCP81109CMNTXG:

  • LM5119: A synchronous buck controller IC offering comparable features and performance for power supply applications.
  • ADP2386: This IC from Analog Devices provides similar functionality to the NCP81109CMNTXG with additional protection features.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Status Obsolete Mounting Type Surface Mount
Package / Case 48-VFQFN Exposed Pad Supplier Device Package 48-QFN (6x6)
Base Product Number NCP81109

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