NCV551SN25T1G

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NCV551SN25T1G is a Negative Voltage Regulator that belongs to the Linear PMIC - Voltage Regulators family. It is an integrated circuit (IC) that offers high performance, precise voltage control, and adjustable output voltage between -0.5 V and -5.2 V.

NCV551SN25T1G has numerous potential applications such as automotive power supply and portable power supply. As a necessary part of several systems, it can be used in all kinds of power management systems. Furthermore, being an adjustable and precise regulation device, it can be used for signaling and pull-up purposes.

NCV551SN25T1G can be used in both step-down and step-up voltage regulators for mobile devices, battery and solar-based applications thanks to its built-in negative P and N-channel MOSFETs and adjustable negative output voltage range of -0.5 V and -5.2 V.

It is available in the familiar TO-251 package and includes an in-phase and a zero-phase logic compatible output enable feature to reduce power consumption in the device. Moreover, it offers reverse voltage protection as well as thermal and over-current protection, providing system levels of safety and security.

Another highlight feature of NCV551SN25T1G is its adjustable current limiting capability, which allows the user to adjust the maximum output current based on the application requirement. Employing the sense terminal, the output feedback of the voltage can be taken and used to improve the overall power management performance.

The working principle behind the NCV551SN25T1G is to regulate the output voltage by making a comparison between the reference RAMP voltage and the current feedback voltage of the device. The device then adjusts the voltage accordingly to keep the output voltage exactly as desired.

In order to use the NCV551SN25T1G effectively, the enable pin needs to be set to enable the device, and the output voltage adjustment pin needs to be regulated for the specific voltage output. Lastly, the current limit pin must also be adjusted for the current limit of the device.

NCV551SN25T1G belongs to the Linear PMIC family and is a highly reliable, adjustable and precise Negative Voltage Regulator that provides protection and adjustable output voltage for automotive, portable, and solar based systems. Its easy to use current limiting and reference RAMP voltage comparison working principle makes it a top choice for signal clarity, current limiting, and pull-up applications in battery powered or solar powered portable devices.

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