NCP160AFCS300T2G

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The NCP160AFCS300T2G is a PWM buck regulator, suitable for a wide variety of applications including power supplies, level shifters and motor control systems. This high-efficiency, integrated linear voltage regulator features easy-to-use programming and built-in protection features. This article covers the NCP160AFCS300T2G application field and working principle, and outlines its key features and benefits.

Application Field

The NCP160AFCS300T2G is ideal for applications where a low output voltage, high efficiency and low Profile are required. It is suitable for powering FPGAs, DSPs, and various other power management and embedded processing electronics, such as automotive electronics. The regulator uses a PWM control loop with adjustable frequency and good transient response, and has built-in power fail and current limit warning. It also supports thermal shutdown protection, over-current protection and over-voltage protection among other features.

Working Principle

When the input voltage is greater than the output voltage, the NCP160AFCS300T2G acts as a “buck” regulator.During the buck mode, input voltage is applied to a series of internal power transistor switches (MOSFETs). Depending on the duty cycle of the PWM signal, the switch will waste some energy in the series, but overall, much less energy is wasted than in linear voltage regulator. This is because the MOSFET’s resistance is much lower than that of the linear regulator. The regulator not only has a low RDS(ON) but also has an adjustable switching frequency, allowing users to optimise the regulation and power conversion efficiency according to the specific application.

When the input voltage is lower than the output voltage, the NCP160AFCS300T2G will switch to a “boost” mode. In this mode, the MOSFETs are configured in a buck-boost topology, using energy stored in an external inductor to increase the output voltage.

Features and Benefits

The NCP160AFCS300T2G is a high-efficiency, integrated linear voltage regulator featuring adjustable frequenct and power fail options. It has current limit protection, over-voltage protection, thermal shutdown protection and various other protection features. It also has a low power consumption and a wide input range, making it ideal for many applications.

The regulator also supports programmable soft-start, over-current and under-voltage protection. This helps protect components from overvoltage/undervoltage hazards while boosting the efficiency of the system.

The NCP160AFCS300T2G is small and easy to use, with an integrated inductor and capacitors. In addition, the built-in N-channel MOSFETs provide high efficiency and low thermal dissipation, making it ideal for use in small and low-power applications. It also has a low quiescent current, making it suitable for applications requiring long battery life.

Conclusion

The NCP160AFCS300T2G is an integrated linear voltage regulator with easy to use programming and built-in protection features. It is suitable for powering FPGAs, DSPs and various other power management and embedded processing electronics. It is small and easy to use, with an integrated inductor and capacitors and has low power consumption and a wide input range, making it ideal for many applications, from automotive electronics to mobile devices.

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