LX432ILP

Noise - 0.1Hz to 10Hz:	--
Base Part Number:	LX432
Supplier Device Package:	TO-92
Package / Case:	TO-226-3, TO-92-3 (TO-226AA) (Formed Leads)
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 85°C (TA)
Current - Cathode:	80µA
Current - Supply:	--
Voltage - Input:	--
Noise - 10Hz to 10kHz:	--
Series:	--
Temperature Coefficient:	--
Tolerance:	±1%
Current - Output:	20mA
Voltage - Output (Max):	20V
Voltage - Output (Min/Fixed):	1.24V
Output Type:	Adjustable
Reference Type:	Shunt
Part Status:	Active
Packaging:	Tape & Box (TB)

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PMIC - Voltage Reference - LX432ILP Application Field and Working Principle

Voltage references are immensely useful integrated circuits that are used to accurately provide a fixed reference voltage within a circuit. These devices provide a precise, stable voltage source regardless of current consumption or changes in temperature or power consumption. Voltage references are a core component for any circuit that must produce an accurate output in order to function properly.The LX432ILP is a precision voltage reference designed and produced by Intersil corporation. It is a monolithic low dropout linear regulator which provides a regulated 3.3V output voltage while consuming less than 30mA typical of current. Designed to be a drop-in replacement for the common three-terminal linear regulators, the LX432ILP offers improved thermal performance with low drop out voltage and a wide input voltage range of 4.5V to 18V. It is also capable of driving up to 1A of peak output current. This makes it an ideal solution for a variety of low voltage applications.

Application field

The primary application fields of the LX432ILP are in 4V-18V power systems, where it is used as a voltage reference for the input supply. The device\'s low drop out voltage and current consumption make it ideal for applications such as portable equipment, including laptops and cell phones. It can also be used in automotive and industrial systems which require high performance and stability over an extended temperature range.The LX432ILP is also a perfect solution for embedded systems, together with wireless data transmission systems, where a low dropout voltage and high efficiency are essential features. Its robust and reliable design makes the device suitable for automotive applications, such as engine control, forward voltage regulators, and vehicle power supply systems.

Working Principle

At its core, the LX432ILP relies on a feedback loop to maintain a constant output voltage. It consists of a voltage reference source, an error amplifier and an output device. The voltage reference source provides a stable input voltage interpretation for the error amplifier to compare with the output voltage. This comparison is then used to determine how much current the output device needs to deliver in order to maintain the required output voltage.The output device is responsible for driving the output voltage up or down, depending on which direction the feedback loop indicates. This process is continually repeating, keeping the output voltage at the desired level.The LX432ILP also features an internal thermal shut-down tape which handles any potential over-temperature conditions. This is especially useful for automotive and industrial applications, as the device can be relied on not to generate an open-circuit or short-circuit fault in the case of extreme temperatures.

Conclusion

The LX432ILP is an excellent voltage reference for a variety of applications. Its low dropout voltage and high efficiency make it an ideal solution for embedded and automotive systems, while its stable and reliable design offers optimal performance over an extended temperature range. With its accurate regulation and robust design, the LX432ILP can be relied on to provide a precise and stable output over a wide range of conditions.

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