LP3986TL-3133/NOPB

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The LP3986TL-3133/NOPB is an adjustable low-dropout (LDO) linear voltage regulator that operates from 3.2V to 13.2V. It features a ultra-low quiescent current consumption of fewer than 2.5 µA, with a wide operating junction temperature range of -40°C to 125°C. This low-dropout regulator is widely used in various applications, where extreme precision is not required, including communications, consumer electronics, and other portable applications.

The LP3986TL-3133/NOPB offers a high output voltage accuracy of ±1% over the full operating temperature range, making it an ideal regulator for low-power applications. Additionally, it has a fast transient response, offering a low output ripple, a low noise and wide line/load regulation.

The LP3986TL-3133/NOPB voltage regulator is a good choice for applications that require adjustable output voltage, such as LED lighting systems, LCD screens, and digital audio applications. The output voltage can be set to a fixed or adjustable voltage within the range by connecting a single external resistor or by using the built-in resistor, which is connected between the EN and FB pins. The device also features additional protection features, such as overtemperature, reverse current protection and output hiccup current-limit protection.

In terms of operating principle, the LP3986TL-3133/NOPB is a linear voltage regulator that works by using a control operational amplifier (op-amp) to monitor the output voltage. The op-amp is connected with a voltage reference on one end, and with the output voltage feedback on the other end. The op-amp compares the output voltage with its reference voltage and it then adjusts the output voltage accordingly by varying the current through the pass transistor. It is important to note that this type of regulator is typically not as efficient as a switch-mode regulator.

The LP3986TL-3133/NOPB is a versatile and cost-effective linear voltage regulator which offers excellent output voltage accuracy in a variety of applications. It provides a high level of protection for the output voltage, and its adjustable output voltage makes it a good choice for applications that require multiple output voltages. Furthermore, its low quiescent current consumption and fast transient response makes it an ideal regulator for low-power applications.

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