NCV8518BPDR2G

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NCV8518BPDR2G is a low-dropout (LDO) linear regulator produced by ON Semiconductor and is part of their NCV85xx family. The device is specifically designed with small system size and low-power consumption in mind, enabling it to be used in a variety of portable devices and embedded systems.

NCV8518BPDR2G has a wide range of adjustable output voltage from 0.6V to 5.5V with a quiescent current of 5μA. The device is also capable of delivering a maximum output current up to 350mA, sufficiently powered for the majority of applications.

The NCV8518BPDR2G is equipped with a slew-rate control pin for optimizing its power efficiency for specific power requirements. The device also features thermal-shutdown protection, over-temperature protection, reverse-polarity input protection, low voltage optional output enable (EN pin), and short-circuit protection. These features make it a robust solution for space-constrained and performance-critical applications.

Because of its wide output voltage range and highly integrated safety features, the NCV8518BPDR2G is often used in 3G/4G baseband systems, analog baseband systems, set-top boxes, and medical instrumentation.

The working principle of the NCV8518BPDR2G is based on the voltage-regulator concept, where input voltage is regulated to a specific value dependent on the output voltage settings. The operating principle of the device involves using an internal pass element, which in this case is a PMOS transistor, to have desired voltage drop across it. The PMOS passes a current equivalent to the output current to regulate the output voltage. Other features such as the slew rate control and thermal-shutdown are implemented using similar principles.

In conclusion, NCV8518BPDR2G from ON Semiconductor is a versatile and low-power linear regulator ideal for applications with low voltage and current requirements and includes a set of integrated protection features. Its wide output voltage range and slew rate control make it a trusted solution for designs that need to both withstand challenging environments and ensure accurate voltage regulation.

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