LP8340IDT-3.3/NOPB

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LP8340IDT-3.3/NOPB is a low-power, low-noise linear regulator from Texas Instruments (TI). It is a member of their voltage regulation product family, and is part of their PMIC – Voltage Regulators – Linear series. This linear regulator is designed for portable devices, tablets and any application that requires a low power draw with excellent noise performance.

LP8340IDT-3.3/NOPB includes a voltage reference, an error amplifier, and a power MOSFET pass transistor, which provides a regulated output voltage. It also provides three additional pins - adapter voltage sense, shutdown, and power-on reset, which are used to monitor the output voltage and enable/disable the device.

The application field of LP8340IDT-3.3/NOPB is broad, as it can be used in many voltage regulation applications such as powering and supplying supply voltage to microprocessors, field-programmable gate arrays (FPGAs), memory chips, LCD displays, and many other electronic components. It can also be used in battery-powered systems, where it acts as a replacement for a DC-DC converter. The operating temperature range of LP8340IDT-3.3/NOPB is -40°C to +125°C.

The working principle of LP8340IDT-3.3/NOPB is quite simple. It works by regulating the output voltage across its regulating terminals by comparing the requested voltage (by the load) and the actual output voltage. When the difference between the two voltages exceeds a certain value, the error amplifier increases or decreases the voltage on the gate of the pass transistor, thus adjusting the output voltage. In this way, the device continuously adjusts the output voltage, maintaining it within the requested range. Furthermore, the adapter voltage sense can be used to sense the output voltage, via a separate pin, allowing an extra level of control.

In summary, LP8340IDT-3.3/NOPB is a low-power linear regulator from Texas Instruments, which is designed to provide regulated output voltages for different applications. The device has a wide operating temperature range and is capable of providing up to 15 mA of output current. It can be used for powering microprocessors, FPGAs, memory chips, LCD displays, and other electronic components, as well as for battery powered systems. It is based on a simple working principle, where the output voltage is regulated by comparing the requested and actual voltages, and adjusting the output voltage accordingly.

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