NCV85081BDS50G

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NCV85081BDS50G Application Field and Working Principle

NCV85081BDS50G Integrated voltage regulator is a integrated linear voltage regulator which belongs to the PMIC (Power Management Integrated Circuit) product family. It utilizes the production process of monolithic integrated circuits, the advanced Bipolar Voltage Regulator technology and the low power consumption design to provide cost-effective power solutions and meet the demand of system power supply in a wide range of products.

The NCV85081BDS50G integrated voltage regulator utilizes a three-terminal adjustable voltage regulator topology to monitor the output voltage for loading changes, line voltage fluctuations and temperature changes, and automatically adjust the output voltage due to its integrated control loop. This integrated control loop can maintain the output voltage within the accuracy range of ±1.5% over a wide temperature range, allowing for greater design flexibility.

Features of NCV85081BDS50G

NCV85081BDS50G integrated voltage regulator features with a low quiescent current of only 0.5µA , an operating temperature of -40℃ to 125℃, an output voltage adjustable range of 1.2V to 26V, and a high power supply rejection ratio of -76dB, which can easily meet the application requirements of various consumer electronic products.

Application Field

NCV85081BDS50G integrated voltage regulator is widely used in consumer electronic products, computers, industrial equipment and other products which require low-power, high-precision and low-cost power supply. Its main applications include: memory devices, microprocessors, analog processing circuits, LCD displays, digital cameras and other devices.

Working Principle

The working principle of NCV85081BDS50G integrated voltage regulator is that when the output voltage deviates from the set voltage value, the voltage regulator will adjust the error amplifier output to adjust the gate drive current of the power transistor and regulate the output voltage. In order to accurately maintain the output voltage within the accuracy range of ±1.5%, an error voltage is added to the feedback voltage of the error amplifier. The error voltage is determined by the external resistors connected to the voltage reference input pins.

In addition, the control loop of NCV85081BDS50G integrated voltage regulator also provides protection functions such as overshoot protection, peak-current limiting, thermal protection and output short circuit protection. These features make the NCV85081BDS50G integrated voltage regulator reliable and cost-effective power supply solution in a wide range of applications.

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