LP2985IBPX-2.8

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LP2985IBPX-2.8 is a low-dropout (LDO) linear voltage regulator with a wide input voltage range operating from 1.8V to 38V in output comparison. It is designed to provide up to 200mA of output current and is capable of delivering very low output voltage ripple, ultra low dropout voltage, fast transient response and an exceptional stability.

Application Field

LP2985IBPX-2.8 is an optimal application solution in the field of industrial and consumer electronics, particularly for low-noise ultra-low power applications with tight requirements on output voltage accuracy. It is suitable for powering various low-power electronics, such as microprocessors and digital signal processors. Its wide input voltage range makes it an ideal choice for applications operating off of a 9V storage battery, but also from standard 3V coin cells, or high-speed pulse power systems.

Working Principle

LP2985IBPX-2.8 uses the PNP-NPN-feed backward architecture, which allows the low dropout linear regulator to maintain a very low dropout voltage while still providing enough current to meet the needs of modern low-power systems. The device also offers very fast transient response and excellent voltage regulation with low output voltage ripple. Additionally, its very low quiescent current makes it an ideal choice for battery powered applications.

LP2985IBPX-2.8 also features protection against over current, over temperature, under voltage and reverse voltage protection. Furthermore, the maximum output current and the on-chip current limit can be adjusted by external components to ensure the safety of the device and system.

LP2985IBPX-2.8 is available in the industry-standard small SOT-223 package, which provides excellent thermal characteristics and high power density for applications in a wide variety of environments.

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