LP3965EMP-2.5/NOPB

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The LP3965EMP-2.5/NOPB is a type of linear voltage regulator found in many applications like 3-3.3V mobile power, VRM, and core/high voltage supply. It is particularly suited to these applications as it includes an on-chip 0.460V linear adjustable function with 1% accuracy over all temperature ranges, plus a slew rate protection, providing improved EMI performance. The IC is a 3-channel device, allowing for independent power control for each channel.

The LP3965EMP-2.5/NOPB offers excellent ESD protection, making it particularly suited for use in mobile applications. It features precision voltage regulation, wide line regulation, low noise and high output current capabilities. Low dropout and current limiting also make it ideal for use in automotive systems and other high power applications.

The LP3965EMP-2.5/NOPB is designed for use in applications such as cellular phones, pagers, hand-held radios, LCD televisions, LCD monitors, desktop PC monitors, and printers. It is also suitable for Audio/Video applications, such as CD/DVD players, and most consumer electronic devices.

The working principle behind the LP3965EMP-2.5/NOPB is based around two operational amplifiers, one controlling the voltage output and the other controlling the current limit. The IC can be constructed using either MOSFETs or bipolar transistors. Its regulation scheme is made up of two loops, the outer loop being the voltage loop and the inner loop being the current limit loop. The voltage loop uses the output frequency of the IC to set the desired voltage and regulate it accurately.

The current limit loop is used to keep the current below the maximum allowed, regardless of load conditions. The current limit loop will respond to an externally-applied voltage or current, causing the IC to reduce output current when the limit is reached. Overcurrent conditions are also monitored internally, providing additional protection for the IC and the system.

The LP3965EMP-2.5/NOPB offers low component count, adjustable output voltage and current limit, dual loop regulation and OVP (Overvoltage Protection). It presents excellent thermal performance, low ripple and noise, and is protected against over-temperature and over-current conditions. It is also protected against reverse battery voltages and is compatible with both linear and switching regulators. This makes it ideal for use in the automotive and industrial fields.

In conclusion, the LP3965EMP-2.5/NOPB voltage regulator is an ideal choice for a wide range of applications. Its precise voltage regulation, low component count, adjustable output, and protection against over-temperature and overcurrent conditions make it a solid choice for use in automotive, industrial, and consumer electronic applications.

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