NCV8851DBR2G

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The NCV8851DBR2G is a linear and switching voltage regulator integrated circuit (IC), which belongs to a category of PMIC (Power Management Integrated Circuits). It facilitates the power management of multiple power sources, which are involved in the powering of systems and devices. Voltage regulator ICs like the NCV8851DBR2G helps designers and engineers to manage the power budget within devices, monitor the current and voltage levels, control the heat and power dissipation.

The NCV8851DBR2G functions as a switching regulator and also serves as a linear regulator. It allows to step-down DC voltage from the input source to the lower output voltage level required. It is an ideal voltage regulator for the end applications, featuring high current capacity, high efficiency, and low power consumption. Its switching regulator configuration provides the high efficiency and fast response features, allowing for a smaller form factor results.

Application field of NCV8851DBR2G

The NCV8851DBR2G is suitable for high power applications in a wide range of electronic products such as networking and communication systems, computing systems, industrial products, automotive products, mobile terminals, and other systems. Its design allows for logic and discrete components integration, making it a highly cost-efficient and reliable voltage regulator.

The NCV8851DBR2G is capable of powering sources ranging from 4V up to 28V and up to 24V in linear mode. It also provides adjustable current limit protection, thermal shutdown protection, and current disequilibrium protection, ensuring safe and reliable system operation.

Working Principle of NCV8851DBR2G

The NCV8851DBR2G acts as a linear voltage regulator IC or a switching voltage regulator IC, depending on the needs and requirements of the application. The switching regulator mode is based on the switched-mode power supply (SMPS) topology with a low-side P-channel MOSFET switch, a high-side N-channel MOSFET switch, and an internal error amplifier. The error amplifier compares the output voltage with a reference voltage, which is either fixed or user adjustable via an external resistor divider.

In linear voltage regulator mode, the circuit is quite straightforward, with the output voltage being proportional to the current flowing through the operational amplifier, determining the input voltage. It features a low-dropout regulator (LDO) with a voltage drop of 150 mV and a current of 1A output, allowing for high current and low power dissipation with low noise levels. The NCV8851DBR2G also features self-protection from over-voltage, reverse voltage, and over-temperature, ensuring safe and reliable system operation.

The NCV8851DBR2G is a highly integrated and cost-effective voltage regulator IC that is suitable for high-power applications. It is capable of functioning in both linear and switching voltage regulator modes, making it a great choice for designers and engineers who need to manage and control the power in their systems and devices. With its high efficiency and low power consumption, the NCV8851DBR2G is an ideal choice for a wide range of applications.

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