LP3856ESX-ADJ

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LP3856ESX-ADJ Application Field and Working Principle

LP3856ESX-ADJ is a Monolithic Low Dropout Linear Regulator which belongs to a category of power management integrated circuits (PMIC) and Voltage Regulators (VR). It is composed of a low-voltage powered and low quiescent current (IDDQ) linear regulator, high-efficiency DC-DC converter, clock generator, and includes a power-on reset logic. This monolithic voltage regulator is used for applications where a low input voltage and low output voltage is necessary.

The device works on the principle of linear regulation. It draws a current from the input source and reduces the voltage to the required level by means of a series of resistors and other components. As the input source has a higher resistance than the output source, the two do not change with each other. For instance, when a 5V input is applied to the regulator, the output voltage is regulated at 3.3V. When the input voltage changes, the output voltage is maintained, as the resistors are fixed.

LP3856ESX-ADJ is widely used in various industrial and consumer applications requiring low voltage and low power, such as in Portable Battery-Powered Devices, Industrial & Medical Electronics, Networking & Telecom Systems, LED Drivers, & Security Systems, etc. Its ability to generate low noise makes it ideal for use in noise-sensitive applications.

The LP3856ESX-ADJ offers high performance efficiency, high power density, low noise, and a high-accuracy output over a wide range of input and output voltages. It features adjustable voltage settings, short circuit protection, and over-temperature protection. These features make it an ideal solution for various power needs.

Among its advantages, the LP3856ESX-ADJ offers a wide range of voltage settings, from 2.8V to 12V. Its wide input voltage range (2.1V to 28V) also makes it suitable for use in a range of applications. Additionally, it can handle heavyweight current loads up to 2 Amp and is able to accurately control the output voltage for long term applications.

LP3856ESX-ADJ is able to maintain a regulated output voltage with a tight tolerance. Its maximum output accuracy is stated to be ±0.7%. This means that even if the input voltage changes, the output voltage accuracy remains unchanged. At a freezing temperature of -40°C, the margin of accuracy remains within ±2%. It also features internal compensation, allowing the device to remain stable even when the temperature changes.

The LP3856ESX-ADJ also features a high output current which is adjustable in 10 different preset steps and covers a wide range of voltage requirements. This makes the device capable of driving a wide range of loads while still maintaining accurate regulation of the output voltage. The current delivered can be regulated through an I2C interface.

The LP3856ESX-ADJ is an ideal solution for low voltage and low power applications. Its low noise, high performance efficiency and wide input voltage range make it a must-have in industrial and consumer applications. Its ability to adjust the output voltage through I2C makes it suitable for a wide range of uses.

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