LP38855T-1.2

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LP38855T-1.2 is a leading-edge PMIC belonging to the Linear Voltage Regulators family. It consists of a voltage regulator with current limiting and thermal shutdown built-in. LP38855T-1.2 offers unprecedented flexibility and performance advantages in applications requiring a regulated and adjustable output voltage. This PMIC is capable of delivering up to 1.2A of current and may be used for both low- and high-power output voltage applications.

Application Field

LP38855T-1.2 has a wide range of applications in the consumer electronics industry, including computing, gaming, audio/video and storage systems. Its output voltage range from 0.8V to 5.5V supports a wide variety of devices, including logic chips, FPGAs, ASICs and SoCs. Other applications include RF modules, power management systems, chargers, batteries, smartphones and tablets.

Working Principle

LP38855T-1.2 belongs to the linear voltage regulators family and thus works on the same basic principle. It consists of an input filter, a voltage regulator and an output filter, as well as a voltage reference, an amplifier, a feedback loop and a control loop.

The input of LP38855T-1.2 is connected to a filtered power supply, while the output is connected to a circuit requiring a regulated voltage. The voltage reference is the reference point against which the output voltage is regulated. The amplifier compares the output voltage of the regulator to the voltage reference and generates an error signal, which is fed back to the control loop. This loop then adjusts the response of the regulator, thus controlling the output voltage of the regulator. The output filter then smooths out any possible noise or ripple which may result from the regulation process.

Summary

In conclusion, LP38855T-1.2 is a leading-edge PMIC from the Linear Voltage Regulators family. It features current limiting and thermal shutdown and can deliver up to 1.2A of current. It is suitable for a wide range of applications, ranging from consumer electronics to RF modules and power management systems. It works on the same basic principle of a linear voltage regulator, comprising an input filter, a voltage regulator and an output filter, as well as a voltage reference, an amplifier, a feedback loop and a control loop.

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