NCP3163BMNR2G

Voltage - Output (Min/Fixed):	1.25V
Base Part Number:	NCP3163
Supplier Device Package:	18-DFN (5x6)
Package / Case:	18-VFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	50kHz ~ 300kHz
Current - Output:	3.4A (Switch)
Voltage - Output (Max):	40V (Switch)
Series:	--
Voltage - Input (Max):	40V
Voltage - Input (Min):	2.5V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck, Boost
Output Configuration:	Positive or Negative
Function:	Step-Up, Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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NCP3163BMNR2G Applications and Working Principles

NCP3163BMNR2G, manufactured by ON Semiconductor, is a pulse-width modulation (PWM) integrated circuit type DC/DC switching voltage regulator. This circuit is a type of step-down voltage correspondingly called buck voltage regulator. One of the common applications of NCP3163BMNR2G is to convert a higher input voltage to a lower output voltage that is within a certain range as specified by the manufacturer.

General Overview of DC/DC Switching Regulators

DC/DC switching regulators provide greater efficiency than linear regulators due to their ability to store and release energy. This constant storing and releasing allows for a smooth and even output voltage based on the input voltage. A DC/DC switching regulator continuously switches between an On(when turned On) and Off(when turned Off) state. When the switching regulator is On, a certain amount of energy is stored in the inductor, then when the switch is turned Off, this energy is released as output voltage, while still maintaining a smooth and constant output voltage.

NCP3163BMNR2G Design

NCP3163BMNR2G is a PWM type DC/DC switching regulator which features a 2.5A peak current output, a support voltage range of 3.3V to 5.5V, a maximum output of 5.3V and an efficient peak efficiency of 90%. It also features a high switching frequency of 1MHz, which makes it suitable for small-footprint, high-performance designs. It’s also resistant to transient and over-voltage conditions.

NCP3163BMNR2G Applications

The NCP3163BMNR2G is an ideal DC/DC switching regulator for a variety of applications requiring a regulated output voltage, including battery-powered applications such as portable computers, cell phones, and portable electronics. It is also suitable for automotive, LED lighting, and other voltage regulator applications.

NCP3163BMNR2G Working Principle

The NCP3163BMNR2G is a pulse-width modulation (PWM) type DC/DC voltage regulator. It works by switching the inductor on and off at a high frequency. When the inductor is switched on, current flows in it and stores energy in its magnetic field. When it is switched off, the stored energy is released and the voltage is stabilized by the feedback loop. This creates a smooth output voltage independent of the input voltage fluctuations.

Conclusion

The NCP3163BMNR2G is an ideal DC/DC switching regulator due to its high efficiency and wide operating voltage range. The high switching frequency and support voltage range make it suitable for a variety of applications including battery powered applications and automotive applications. Its PWM technology also ensures a smooth and stable output voltage independent of input voltage fluctuations.

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