LP38856-1.2EVAL

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Linear Voltage Regulators are typically used to step down or reduce a higher input voltage to a lower, specific output voltage. Their purpose is to convert unregulated input voltage from an AC or DC source, such as a battery or a mains supply, into a stable output voltage. Using the proper output transistor, the regulator also provides reverse current blocking, which prevents the output from damaging other components. The LP38856-1.2EVAL is a perfect example of this type of Linear Voltage Regulator.

The LP38856-1.2EVAL is an Evaluation Board for the low dropout LP38856-1.2 Linear Voltage Regulator. It has a selectable output voltage range of 1.2V to 3.3V and can provide up to 800mA of output current. It features a 3-phase buck (step-down) architecture and a 3-phase boost (step-up) architecture, which allows it to efficiently and quickly adjust the output voltage. It is designed to operate on a single- or dual-cell Lithium-Ion battery.

The LP38856-1.2EVAL can be used in a variety of applications, such as telecommunication systems, industrial environments, automotive applications, and personal electronics. It is also used to power various input/output peripheral devices, like USB ports, serial ports, and displays. Furthermore, it can be used to power embedded systems, including single-board computers, microcontrollers, and FPGAs.

The LP38856-1.2EVAL works by regulating the input voltage to an acceptable level before supplying it to the output. When the output voltage is not within acceptable limits, the regulator adjusts the output voltage accordingly. It works by using a constant-current source to compare the output voltage to a reference voltage. The output voltage is then adjusted until it matches the reference voltage. This cycle is constantly repeated to maintain a stable output voltage.

The LP38856-1.2EVAL also features several protection functions that prevent it from causing damage to other components. This includes the under-voltage lockout (UVLO) which ensures that the output voltage does not drop too low, and an overtemperature shutdown (OTS), which shuts down the regulator when the temperature rises to an unsafe level. The LP38856-1.2EVAL also features guard ring protection which prevents the surge currents from damaging the output stage by isolating the input and output.

The LP38856-1.2EVAL is a versatile and reliable Linear Voltage Regulator that can be used in a variety of applications. Its adjustable output voltage range and protection functions make it an ideal choice for powering low power devices, while its rugged design ensures that it is able to withstand harsh operating conditions. Therefore, it can be used in applications that require robust and reliable power.

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