LP2982IBP-2.8 Integrated Circuits (ICs)

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LP2982IBP-2.8, classified as PMIC - Voltage Regulators - Linear, is a voltage regulator capable of generating outputs of 2.775V to 3.455V with a load current of 1A. It is suitable for applications operating from voltage sources ranging from 0.6V to 6V. The regulator features adjustable voltage stability, up to 140mV, at various temperatures with a maximum dropout voltage of 150mV. It also features a power ground pin that provides fast load transient response. The LP2982IBP-2.8 achieves high efficiency by using its built-in power MOSFET to actively supply the load current, increasing efficiency and reducing heat dissipation. It is ideal for numerous applications in the consumer electronics, LED lighting, industrial control, and automotive industries.

LP2982IBP-2.8 is a type of linear voltage regulator, which uses a feedback voltage divider to adjust the given regulated output voltage. This voltage divider is connected to the Adjust Pin of the regulator and sets the regulated output voltage by comparison to the reference voltage (VREF). This regulator is a constant voltage, constant current device, and once the load reaches certain values, it will automatically switch in over current protection.

The input of the LP2982IBP-2.8 is protected by an internal voltage limiting circuit which limits the voltage of the input line to 0.6V above the regulated output voltage. It also features an internal temperature monitoring circuit which automatically shutdowns the regulator when the die temperature rises beyond its operating limits.

LP2982IBP-2.8 has a very low quiescent current that is specified to be 150μA (typical) for a 2.8V output and 300μA for a 3.3V output. This makes it ideal for battery powered applications since the quiescent current is almost negligible.

The LP2982IBP-2.8 regulator also provides very short turn-on delay times, typically less than 10µs. This fast response time allows it to accurately regulate the output voltage in applications that are subject to large and fast load variations.

It utilizes over-voltage protection (OVP) feature, that limits the output voltage to a very safe level if the input voltage is too high. This OVP feature can be enabled/disabled via the OVP pin.

LP2982IBP-2.8 can be used in a wide variety of applications, such as automotive and industrial control applications, power management systems, and charging applications. It can also be used as a step-down regulator in RF circuits, where output filter and noise rejection requirements are paramount.

In conclusion, LP2982IBP-2.8 makes an ideal regulator for battery powered applications and other environments with wide input voltage variation, fast load transients and strong noise rejection requirements. It is stable, reliable and consumes very low quiescent current, making it suitable for various applications such as automotive, industrial and consumer electronics.

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