NCP186BMX280TAG

Voltage Dropout (Max):	0.17V @ 1A
Supplier Device Package:	8-XDFN (1.6x1.2)
Package / Case:	8-XFDFN Exposed Pad
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Soft Start
Control Features:	Enable
PSRR:	75dB (1kHz)
Current - Quiescent (Iq):	140µA
Current - Output:	1A
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.8V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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NCP186BMX280TAG Application Field and Working Principle

NCP186BMX280TAG is a Linear voltage regulator from ON Semiconductor, which is a leading provider of logic and power management products used in various applications. The device is specially designed to provide a current- and voltage-regulated output in many general-purpose applications. It is available in compact 8-lead TSSOP (Thin Shrink Small Outline Package) and SOP (Small Outline Package) packages with a wide operating range. This device is suitable for use in diverse applications, such as power-supply regulators, battery management systems, motor control systems, lighting systems, and many more.

Features of the NCP186BMX280TAG

The NCP186BMX280TAG is a high-performance, high-accuracy, low-dropout, linear voltage regulator from ON Semiconductor. It has the following features:

• Wide operating range between 3V and 15V
• 750mA continuous output current
• Low Regulation Voltage of 0.9V
• High Accuracy to within ±0.2%
• Wide Load Regulation of 0.1%
• Low Temperature Coefficient of 0.005%/°C
• High Power Supply Rejection Ratio up to 50dB
• Low Quiescent Current of 370μA

The device is fully protected and features adjustable current limiting, thermal protection, undervoltage lockout, reverse input polarity protection, and open-loop protection to ensure smooth and reliable operation of the system.

Working Principle of the NCP186BMX280TAG

The NCP186BMX280TAG is a linear voltage regulator, which works on the principle of regulating the output voltage (VOUT) by sensing the input voltage (VIN) and adjusting the current passing through an external resistor (Rx). The device operates by pulling the drain current through the internal MOSFET until the voltage on the FB pin equals the logic level of the voltage regulation (VOUT). The quiescent current passing through the device is maintained as low as possible to reduce power consumption. When the voltage on the FB pin is higher than the logic level of the voltage regulation, the drain current through the MOSFET is reduced, thus regulating the output voltage. This current is adjusted by the internal current limit amplifier and configurable by the external resistor (Rx). When the voltage on the FB pin is lower than the logic level of the voltage regulation, the drain current through the MOSFET is increased, thus reaching the desired output voltage. The device will automatically enter an undervoltage lockout mode when the input voltage is below the minimum operating voltage, thereby preventing the device from operating. The reverse polarity protection prevents damage to the device when negative voltage is applied to the input pin. The device also has an open loop protection to prevent damage to the device if the feedback pin is left open.

Applications of the NCP186BMX280TAG

Due to its wide operating range, robustness, low dropout voltage, and excellent load regulation, the NCP186BMX280TAG is ideal for voltage regulation in many applications. These include power-supply regulators, battery management systems, motor control systems, lighting systems, and many more. Additionally, the device can be used in automotive, industrial, and handheld applications. In power-supply regulators, it is particularly suitable for applications that require low ripple and high reliability. Further, its low noise makes it suitable for applications that require noise-sensitive circuits such as audio amplifiers. Additionally, the device can be used in battery management systems to monitor battery voltage and regulate charging current. In motor control systems, the device can be used to regulate motor speed and current. It can also be used to control light intensity in lighting systems. Moreover, its low quiescent current makes it suitable for use in handheld devices where power consumption is critical. Overall, the NCP186BMX280TAG is a highly reliable linear voltage regulator that offers a wide range of applications and superior performance.

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