LP3873ESX-5.0

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An integrated circuit, or IC, is an electronic device that contains multiple individual electronic components, such as transistors, capacitors and resistors, on a single semiconductor die. Integrated circuits are widely used in today’s electronic devices. One kind of IC, the LP3873ESX-5.0, is a voltage regulator. Voltage regulators are now incorporated into many systems, and are essential to their operation. The LP3873ESX-5.0, in particular, is a linear voltage regulator which offers high quality, feature-rich performance and low quiescent current. This article looks at the application field of the LP3873ESX-5.0, as well as its working principle.

LP3873ESX-5.0 Application Field

The LP3873ESX-5.0 is a 3-Terminal Low Dropout Linear Regulator. It offers three output voltages and is designed for battery-powered applications. It has a low quiescent current of 20μA; this means that it can maintain a steady output voltage with minimal power consumption. The LP3873ESX-5.0 can be used for a variety of purposes, including:

• Battery powered peripherals, such as portable electronics and wearable devices.
• Cellular phones, tablets, and laptop computers.
• Cameras, camcorders, and other personal media devices.
• MP3 players and personal media players.
• Electronic metering, monitoring, and diagnostic applications.
• Handheld measuring devices.
• Digital-to-Analog Converters (DACs).

The LP3873ESX-5.0 is especially useful for its compatibility with low dropout voltages and low power consumption. It is designed for use with low frequency switching applications, and is ideal for applications which require ultra-low quiescent current. For example, its ability to maintain output voltage when the input voltage is only nominally greater than the output voltage makes it ideal for applications in which power conservation is a concern.

LP3873ESX-5.0 Working Principle

A voltage regulator is designed to maintain a constant output voltage regardless of changes in supply voltage, load current, temperature, or other conditions. A linear voltage regulator is one type of voltage regulator, and the LP3873ESX-5.0 is a particularly efficient example.

The LP3873ESX-5.0 operates using a three-terminal design. It has an input voltage line, VIN, and two output voltage lines, VOUT and GND. When a voltage is applied to the VIN line, the LP3873ESX-5.0 internally compensates for any variations in output voltage--this is the “regulation” of the voltage. The LP3873ESX-5.0 keep the voltage output more constant than other linear regulators.

The LP3873ESX-5.0 has an internal voltage reference, which allows the regulated output voltage to remain constant over temperature and line voltage variations. The Low Dropout (LDO) feature of the LP3873ESX-5.0 allows the output voltage to be set lower than the input voltage. This allows the input voltage to remain within the manufacturers specified allowable range.

The LP3873ESX-5.0 is designed to maintain a constant output voltage under heterogeneous load conditions. This ensures that the output voltage remains constant even if the current drain increases. The LP3873ESX-5.0 also offers excellent thermal stability, further enhancing its efficiency.

In addition to its low quiescent current and low output voltage, the LP3873ESX-5.0 also offers several other features. It has reverse battery protection and an over-temperature shutdown function. It is also able to regulate input voltages up to 25V.

Conclusion

The LP3873ESX-5.0 is an efficient, feature-rich linear voltage regulator. Its ability to maintain a constant output voltage, even under heterogeneous load conditions, makes it an ideal choice for applications in which power conservation is a concern. Its compatibility with low dropout voltages and low power consumption make the LP3873ESX-5.0 ideal for applications in the battery-powered peripherals, cellular phones, tablets, and laptops, as well as metering, monitoring and diagnostic applications.

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