SPX3819M5-L-1-2/TR Integrated Circuits (ICs)

Current - Output:	500mA
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Control Features:	Enable
PSRR:	--
Current - Supply (Max):	30mA
Current - Quiescent (Iq):	8µA
Series:	--
Voltage Dropout (Max):	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.2V
Voltage - Input (Max):	16V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Linear Voltage Regulators (also known as LDO or low dropout) are one of the most widely used power management components and the SPX3819M5-L-1-2/TR is a Linear Voltage Regulator that provides an efficient way of controlling and regulating the power that reaches digital and analog circuits in a range of electronic devices. Manufactured by SOS electronic, this voltage regulator plays a fundamental role in devices that require longer battery life, high efficiency and reliability. In this article, we will discuss the application field and working principle of the SPX3819M5-L-1-2/TR Linear Voltage Regulator.

What is a Linear Voltage Regulator?

A Linear Voltage Regulator is an electrical component that maintains a constant voltage level in a circuit, regardless of changes in current demand or voltage supply. It also acts as an interface between the power source – like a battery – and the load. Linear regulators achieve this goal by using a control element – like a transistor – to adjust the output voltage by use of negative feedback.There are several types of linear regulators, including low dropout types which are increasingly becoming popular due to their high efficiency.

Features of the SPX3819M5-L-1-2/TR Linear Voltage Regulator

The SPX3819M5-L-1-2/TR Linear Voltage Regulator has the following features:- Output voltage range of 2.3V to 6.5V - Output voltage accuracy of ±2% - Output current up to 300mA - Consumes low quiescent current - Adjustable - Low noise - Temperature range of -40 to +85 degrees Celsius

Applications of the SPX3819M5-L-1-2/TR Linear Voltage Regulator

The SPX3819M5-L-1-2/TR Linear Voltage Regulator is most commonly used in applications that require low quiescent current and a high output current capability such as analog circuits, digital circuits, electronic appliances, smartphones, medical electronics, embedded systems, automotive electronics, instrumentation, navigation systems, telecommunications, computers and other electronic products.

Working Principle of the SPX3819M5-L-1-2/TR Linear Voltage Regulator

The SPX3819M5-L-1-2/TR Linear Voltage Regulator works on the principle of negative feedback. In this type of regulator, the output voltage is compared to a reference voltage which is compared against the input. If there is any discrepancy, the control element adjusts the output voltage so that it matches the reference voltage. This is done by monitoring the output voltage and adjusting the voltage control element accordingly. In the case of the SPX3819M5-L-1-2/TR, the voltage control element is a PNP transistor which is used to control the output voltage. The output voltage of the regulator is also adjustable according to the user’s needs, as long as it is within the output voltage range of the component.

Conclusion

The SPX3819M5-L-1-2/TR Linear Voltage Regulator is a reliable voltage control component that is suitable for a wide range of applications. Its features, such as low quiescent current, high output current capability and adjustable output voltage, make it an ideal choice for use in circuits that require power stability and accuracy. The working principle of the component is based on negative feedback from the reference voltage that is compared against the output voltage. In this article, we have discussed the application field and working principle of the SPX3819M5-L-1-2/TR Linear Voltage Regulator. We hope that this article has provided a better understanding of this common power management component.

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