LT3085MPMS8E#PBF

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The LT3085MPMS8E#PBF is a linear voltage regulator that comes in the standard 8-pin MPMS (Mini Powered Module System) package. It is designed for the generation, distribution and supply of high voltage rail voltage and allows for the use of both synchronous and non-synchronous switching schemes. The high-voltage rail gives feedback of load current to maintain accuracy of regulation. The device integrates over-temperature protection, foldback current limit and shutdown capability.

The basic application field of the LT3085MPMS8E#PBF is in the production of high-voltage power supplies. It can handle up to 30V and has an adjustable output voltage range of 1.2V to 28V. The device can be used to regulate the output voltage of low-power switching supplies, DC/DC converters and AC/DC converters. It is suitable for supplying voltage to wide-range applications such as data storage, mining and industrial equipment and for communication systems such as CATV and ADRS.

Working principle of LT3085MPMS8E#PBF is based on a linear device architecture. It uses a reference voltage to compare the input voltage to produce a "manageable" electrical signal. This signal is then used to adjust the output voltage in the form of an error amplifier. An external feedback loop is used to set the voltage for comparisons. This feedback loop is made up of an resistor and adjustable switch. As the output voltage moves away from the desired level, the switch adjusts the voltage in the loop so that the input voltage and the reference voltage become equal again. As result, the switch increases or decreases the resistance in the loop to match the input.

The LT3085MPMS8E#PBF also features over-temperature protection, which reduces the voltage output when the device goes into thermal shutdown. This feature helps to prevent catastrophic damage, such as circuit damage and excessive power dissipation, due to over-temperature conditions. The foldback current limit prevents excessive peak currents, eliminates overshoot and undershoot problems, and maintains the accuracy of the supply system. The user can adjust the current limit level by simply changing a resistor value.

In conclusion, the LT3085MPMS8E#PBF is a wide range voltage regulator that can be used in a variety of applications. It combines high power with excellent efficiency, and includes over-temperature protection, foldback current limit and shutdown capability that enhances the safety of the device. Additionally, the adjustable output voltage range and efficient feedback loop makes it an ideal choice for a range of industrial and communication systems.

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