LM1086CSX-2.5/NOPB

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The LM1086CSX-2.5/NOPB (Power Management Integrated Circuit) is a high performance voltage regulator with the ability to provide a regulated output voltage of 2.5V at up to 1.5A. It is a linear regulator, which means that it dissipates power to maintain a regulated output voltage. This power is wasted, so efficiency is lower than that of a switching regulator.

The LM1086CSX-2.5/NOPB is a single-output, precision voltage regulator with an integrated power MOSFET, adjustable or fixed output voltage, and the ability to drive up to 1.5A over an input voltage range of 1.7V to 5.5V or 8V depending on the option selected.

The LM1086CSX-2.5/NOPB is used in a variety of applications, including memory systems, microprocessors and general purpose DC-DC converters. It can also be used as a post-regulator in multiple-output switching power converters. It is well suited for designs with low quiescent current and low dropout performance, providing high output accuracy and excellent stability.

The LM1086CSX-2.5/NOPB features an integrated power MOSFET which is designed to reduce the required external components. The low dropout voltage of the MOSFET reduces the power dissipation, allowing for higher efficiency and better thermal performance. The device includes on-chip bias voltage generation and soft-start circuitry, and it can be operated in a single resistor-programmed or external-voltage-feedback mode.

The working principle of the LM1086CSX-2.5/NOPB is simple. It uses an internal voltage reference to compare the input voltage to the preset output voltage. When the input is greater than the output, the power MOSFET turns on and draws current from the output to balance the difference, thus providing a regulated output voltage. When the input voltage is lower than the output voltage, the power MOSFET turns off. As the current through the power MOSFET reduces, the output voltage rises until it matches the input voltage.

The LM1086CSX-2.5/NOPB features an integrated thermal protection circuit which senses the junction temperature, limiting excessive power dissipation. As the temperature rises, the device automatically current-limits the output, providing additional protection for the system.

The LM1086CSX-2.5/NOPB is a general-purpose linear voltage regulator designed specifically for use in battery-powered applications, DC-DC converters, and microprocessor systems. It offers high performance, low dropout, high PSRR, and low quiescent current, making it ideal for any system requiring precise, low noise voltage regulation.

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