Series:	--
Part Status:	Active
Output Configuration:	Positive
Output Type:	Fixed
Number of Regulators:	1
Voltage - Input (Max):	5.5V
Voltage - Output (Min/Fixed):	2.9V
Voltage - Output (Max):	--
Voltage Dropout (Max):	--
Current - Output:	250mA
Current - Quiescent (Iq):	20µA
PSRR:	91dB ~ 60dB (100Hz ~ 100kHz)
Control Features:	Enable
Protection Features:	Over Current, Over Temperature, Soft Start
Operating Temperature:	-40°C ~ 125°C (TA)

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NCP163AFCS290T2G Overview

Introduction

NCP163AFCS290T2G is a voltage regulator for linear applications which is developed and distributed by ON Semiconductor. This device is a current-mode DC-DC regulator with integrated low dropout voltage regulator and the internal power switching FET. It can be used in different application fields such as automotive, automotive-industry, communication and industrial. Additionally, this device is ideal for system with noisy environment applications such as automotive application or computer peripheral applications.

Features & Specifications

NCP163AFCS290T2G is a current-mode DC-DC controller and a linear regulator with integrated Low Drop Out (LDO) regulator and the internal power switching FET. This device is primarily targeted for light load applications and provides full and accurate control over the current and voltage. It also ensures full protection of the load. Moreover, NCP163AFCS290T2G comes with a wide operating supply voltage range from 2V to 28V, making it highly compatible with different application fields. Other features of the device include: Externally Adjustable Output Voltage Range: 0.8V-1.245V Adjustable Output Voltage Limits: 1V to 28V Low Quiescent Current (QCC): 1.5 µA Integrated Low Drop Out Voltage: 0.78V @ 0.8A (Typ) Over-temperature Protection Over-current and Short-Circuit Protection

Application Fields

NCP163AFCS290T2G voltage regulators are suitable for a wide range of applications. These include automotive, automotive industry, communication and industrial sectors. This device is specifically used in automotive applications due to its sophisticated current and voltage control, over-temperature protection, low quiescent current and wide operating supply voltage. Furthermore, this device can also be used in computer peripheral applications and systems with high noise environment.

Work Principle

The device works on the principle of current-mode DC-DC controller. The NCP163AFCS290T2G has a current feedback circuit which has an adjustable peak current. This peak current can be configured to provide the desired current limit and maximum supply voltage. The voltage used to regulate the output is generated by an internal low dropout voltage regulator. This regulator is controlled by an external transistor that acts like a current source, thus providing excellent line regulation.Additionally, the internal power switching FET of the device is used to regulate the current and voltage of the output in order to maintain stable conditions. The over-temperature protection and the over-current protection circuits of the NCP163AFCS290T2G make it more reliable for different applications. The over-temperature protection circuit limits the die temperature if it exceeds the specified threshold and the over-current protection circuit shuts down the power switching FET if the output current is too large.

Conclusion

In conclusion, NCP163AFCS290T2G is a linear voltage regulator which is ideal for low power applications. It is suitable for various application fields such as automotive, automotive-industry, communication and industrial systems which involve noise environments. This device is based on the current-mode DC-DC controller and possesses external adjustable output voltage range, adjustable output voltage limits and low quiescent current. Furthermore, it has integrated low drop out voltage regulator and internal power switching FETS in order to ensure full protection of the load.

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