LP2985A-18DBVRE4

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PMIC - Voltage Regulators - Linear are a type of integrated circuit used for voltage regulation. The LP2985A-18DBVRE4 is a specific type of linear voltage regulator manufactured by Texas Instruments. It is used in applications where high current is required and a regulated voltage is necessary.

LP2985A-18DBVRE4 has a wide input voltage range of 4.8 V to 28V. It features high switching frequency of 4.0 MHz and a low power shutdown current of 50 nA. It provides an output voltage tolerance of 1%. The LP2985A-18DBVRE4 has an comprehensive range of protection features including short circuit protection, over-current protection, thermal protection, and current limit protection. It also offers an excellent line and load regulation.

In terms of its application field, LP2985A-18DBVRE4 is widely used in a variety of power management applications such as industrial, automotive, communications, and consumer electronics. It can be used in end system adapters, low-power portable devices, medical devices, portable chargers, and battery-powered systems. Furthermore, it can also be used in green applications such as LED lighting and solar panel systems.

The working principle of LP2985A-18DBVRE4 is based on a linear voltage regulator. A linear regulator is a device that maintains a constant output voltage while providing a regulated output current. It works by providing a regulated voltage output derived from a reference voltage. The reference voltage is then compared to an error amplifier, which detects the input voltage. The voltage difference is then used to control an internal power transistor, which can either source or sink power to set the output voltage. The amount of power the internal transistor can source or sink is limited by the load current, the input voltage, and the transistor power dissipation.

All in all, LP2985A-18DBVRE4 is a high-performance linear voltage regulator manufactured by Texas Instruments. It has a wide input voltage range, high switching frequency, low shutdown current, and excellent line and load regulation. It is suitable for applications where high current is needed and a regulated voltage is necessary, such as LED lighting and solar panel systems. The working principle of LP2985A-18DBVRE4 is based on the linear voltage regulation, which uses an internal power transistor to source or sink power to set the output voltage.

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