NCP81174NMNTXG

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The NCP81174NMNTXG is a high performance, low stand-by power, low RDS(on), integrated synchronous buck PWM controller with advanced features and monitoring functions.

The NCP81174NMNTXG is a PMIC (Power Management IC) voltage regulator and DC DC switching controller which offers multiple high performance functions. The device is ideal for a variety of applications such as mobile phone and notebook computer power supplies,flat panel displays, digital cameras, portable equipment, and various other consumer and industrial applications.

Overview

The NCP81174NMNTXG is an integrated synchronous buck PWM controller which is designed to provide superior efficiency, high power conversion performance and safeguards from ripple noise. It utilizes dual-series masterslave technique to minimize total component count, improve design efficiency and reduces cost.

The device has a wide range of applications including mobile phones, notebooks, flat panel displays, digital cameras, portable equipment and a variety of other consumer and industrial applications.

Working principle

The NCP81174NMNTXG works to convert a constant input voltage such as a battery, into a regulated output voltage by means of a DC-to-DC buck converter. The buck converter is an electronic switching device that converts an input voltage of an oscillator clock. This oscillator clock determines the switching rate of the transistors that form the power stages of the buck converter.

The NCP81174NMNTXG uses a type of pulse width modulation (PWM) to change the current level in the power stage transistors. When the current level is low, the converter efficiency can be increased, reducing the overall power consumption of the system. When the current level is high, the converter can produce higher output voltages, increasing the power output of the system.

The NCP81174NMNTXG is designed to optimize power delivery efficiency, power conversion performance and reduce system noise. The device features an adaptive transient time control which minimizes total switching losses by precisely controlling the slew rate of the transistors, as well as other advanced features such as ramp compensation control, output voltage tracking and protection.

Benefits

The NCP81174NMNTXG offers the following benefits:

• Low stand-by power
• Low RDS(on)
• High performance
• Reduced system noise
• Advanced features and monitoring functions
• Adaptive transient time control
• Ramp compensation control
• Output voltage tracking and protection

Conclusion

The NCP81174NMNTXG is an integrated synchronous buck PWM controller designed to provide superior efficiency, low stand-by power, low RDS(on) and high power conversion performance. The device is ideal for a variety of applications such as mobile phones, notebooks, flat panel displays, digital cameras, portable equipment and a variety of other consumer and industrial applications.

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