NCP5214MNR2

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Applications:	Controller, DDR
Voltage - Input:	4.5 V ~ 24 V
Number of Outputs:	2
Voltage - Output:	--
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	22-VFDFN Exposed Pad
Supplier Device Package:	22-DFN (6x5)
Base Part Number:	NCP5214

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• Introduction

The NCP5214MNR2 is a low dropout regulator featuring a wide input voltage range of 4.4V to 18V. It is a special-purpose voltage regulator made specifically for applications where the output voltage is required to be constant. The NCP5214MNR2 ensures the output voltage is always constant regardless of changes in the current load, temperature, and input voltage. The device comes with a variety of features that make it attractive for designers.

• Features and Benefits

The NCP5214MNR2 has a wide input voltage range of 4.4V to 18V, so it can be used in a variety of applications, including automotive and high-temperature industrial. It has a maximum output current of 500mA, which is ideal for powering small and medium-sized circuits. The device also has over-temperature protection, under-voltage lockout, and short-circuit protection, providing designers with reliable protection of their circuits.In addition, the NCP5214MNR2 offers a low quiescent current of only 2.8mA, resulting in improved efficiency and power savings. The device also has a low dropout voltage of 1.3V and an adjustable output voltage range of 1.25V to 4.32V, so it can be used in a variety of applications.

• Applications

The NCP5214MNR2 is suitable for a wide range of applications requiring constant and accurate output voltage. It can be used in a variety of automotive and industrial applications, such as in temperature controllers, airbags and seatbelts, automotive sensors and rear view cameras, portable battery chargers, medical equipment and more. The device is also well suited for use in computationally intensive systems, such as 3D printers, computerized tomography scanners, MRI systems, and robotic systems, because the low quiescent current allows the circuit to remain efficient even under the demanding computational loads.

• Working Principle

The NCP5214MNR2 has an adjustable output voltage range of 1.25V to 4.32V, which is regulated using the internal voltage sense circuitry. The device includes an error amplifier and a P-channel MOSFET that operates as a series pass element to control the output voltage. The error amplifier compares the output voltage to a reference voltage to determine the output voltage, and adjusts the current through the series pass MOSFET accordingly. The device also includes an internal voltage monitoring circuit that monitors the output voltage and shuts down the device if the voltage falls below a specified limit. This circuit helps protect the device and the output circuit by preventing the output voltage from falling below 1.25V.

• Conclusion

The NCP5214MNR2 is a low dropout regulator specially designed for applications that require a constant and accurate output voltage. It offers a wide input voltage range, a maximum output current of 500mA, and an adjustable output voltage range of 1.25V to 4.32V. It also has a low quiescent current and offers excellent protection features, such as over-temperature protection, under-voltage lockout, and short-circuit protection. It is suitable for use in a wide range of automotive, industrial, and computationally intensive applications.

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