NCP5395TMNR2G

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Applications:	Controller, Intel VR11.1
Voltage - Input:	4.75 V ~ 5.25 V
Number of Outputs:	4
Voltage - Output:	0.5 V ~ 1.6 V
Operating Temperature:	0°C ~ 70°C
Mounting Type:	Surface Mount
Package / Case:	48-VFQFN Exposed Pad
Supplier Device Package:	48-QFN (7x7)
Base Part Number:	NCP5395

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Introduction

The NCP5395TMNR2G is a specialty voltage regulator designed for a wide range of application fields and working principles. This device is a step-down, or buck, integrated DC-DC converter for use in automotive and other motor control applications, as well as other heavy-load industrial applications demanding robust, continuous power regulation. The NCP5395TMNR2G is a Member of the NXP FlexiRange family, meaning it is suitable for power supply designs needing high flexibility during development and in-the-field. It is specifically tailored to meet the needs of voltage conversion, such as those required in extreme power-usage environments, like found in industrial and medical applications.

Features

• Compatible with a wide input voltage range (2.5 V to 18 V)
• User-programmable synchronization ranging from 200 kHz to 1 MHz
• Load switch capable of continuous sub-1A load current
• Internal power MOSFET with capability of driving loads up to 10A
• Programmable soft-start for low-inrush current start-ups
• Built-in voltage-based phase shift compensation for improved system efficiency
• Small-footprint COMP4 package for high-power density designs

Application Fields

The NCP5395TMNR2G is equipped with features specifically designed to meet the needs of a variety of application fields that require robust voltage regulation. These features include a wide input voltage range of 2.5V to 18V, user-programmable synchronization ranging from 200kHz to 1MHz, load switch capable of continuous sub-1A load current, and an internal power MOSFET with capability of driving loads up to 10A. These features make the NCP5395TMNR2G an ideal choice for automotive, medical, and industrial applications that require continuous power regulation. In automotive applications, the NCP5395TMNR2G can be used to regulate the power input to electric motors, such as those used for power steering or window lifts. The device\'s wide input voltage range enables it to be used with a variety of motor types, including those powered by traditional combustion engines and high-performance hybrid engines. In medical applications, the device can be used as part of a power supply circuit for maintaining a consistent supply of energy to vital medical instruments. In industrial applications, the device can be used to regulate the power supplied to heating or cooling elements, or to regulate the power to other heavy-load machinery.

Working Principle

The NCP5395TMNR2G is a synchronous buck DC-DC converter that works by converting a DC voltage source, such as a vehicle battery, into a regulated output voltage. This conversion is achieved by creating a voltage difference between the output and ground using an inductor, capacitors, and switches. As the switch connected to the inductor is turned on, current flows to ground, producing a difference between the output and ground. This difference is used to store energy in the inductor, which is then released when the switch is turned off. The capacitors store and filter the output voltage, ensuring that a constant, regulated voltage is supplied.The internal power MOSFET also allows for a load switch, which can be used to continuously control the load current at a sub-1A level. This allows for near-zero standby current when the load is not being used, increasing system efficiency and improving power consumption. Finally, the device also features a built-in voltage-based phase shift compensation that can be used to improve system efficiency. By using the NCP5395TMNR2G\'s built-in features, designers can reduce design time and optimize their power supply designs.

Conclusion

The NCP5395TMNR2G is a specialty voltage regulator designed for a wide range of application fields and working principles. It is a step-down, or buck, integrated DC-DC converter for use in automotive, medical, and industrial applications that require robust voltage regulation. Its features include a wide input voltage range of 2.5V to 18V, user-programmable synchronization ranging from 200kHz to 1MHz, and an internal power MOSFET with capability of driving loads up to 10A. It also features programmable soft-start for low-inrush current start-ups, and built-in voltage-based phase shift compensation for improved system efficiency. The NCP5395TMNR2G is an ideal choice for power supply designs needing high flexibility during development and in-the-field.

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