SPX3940M3-L-5-0/TR

Voltage Dropout (Max):	0.55V @ 1A
Supplier Device Package:	SOT-223
Package / Case:	TO-261-4, TO-261AA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity, Short Circuit, Transient Voltage
Control Features:	--
PSRR:	--
Current - Output:	1A
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	5V
Voltage - Input (Max):	16V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction

The SPX3940M3-L-5-0/TR voltage regulator is one of many types of linear regulators. It is an innovative power management integrated circuit (PMIC) designed to provide precise, reliable control of input and output voltages. The device is designed to offer increased performance and efficiency while consuming less power than traditional linear regulators, making it suitable for a variety of applications. This paper will discuss the application field and working principle of the SPX3940M3-L-5-0/TR voltage regulator.

Applications

The SPX3940M3-L-5-0/TR voltage regulator is suitable for a variety of applications, including portable consumer electronics, industrial, automotive, and consumer power management systems. The device is well suited for low-noise, high-performance applications such as portable consumer electronic device power supplies, audio amplifiers, portable media players, laptop computers, and many more.The SPX3940M3-L-5-0/TR also provides a wide range of input and output voltage capabilities and delivers excellent dynamic performance. Its low ripple and noise characteristics make it suitable for high-performance audio applications. It is also capable of providing fast transient response and low output voltage deviation, making it ideal for automotive systems that require high-accuracy, precise voltage output.

Working Principle

The SPX3940M3-L-5-0/TR regulating principle is based on a linear power flow process. This process involves a series of operations that include switching a FET (Field-Effect Transistor) on and off, which adjusts the resistor\'s resistance and maintains the voltage at a stable level.The device works by comparing the output voltage to the reference voltage set by an external resistor. When the output voltage is higher than the reference voltage, the device will lower the output voltage to the reference voltage. Similarly, when the output voltage is lower than the reference voltage, the device will increase the output voltage to the reference voltage.The device also features an adjustable current switch that can be adjusted to limit the amount of current sourced by the device. This helps protect against overloads or short-circuit conditions. The device also features over-temperature protection and under-voltage protection.

Conclusion

The SPX3940M3-L-5-0/TR voltage regulator is a versatile and reliable voltage regulator that is suitable for a variety of applications. The device is well-suited for high-performance, low-noise applications, and offers a wide variety of input and output voltage capabilities. The device is based on a linear power flow process to adjust the resistor\'s resistance and maintain the output voltage at a stable level. The device also offers adjustable current switch, over-temperature protection and under-voltage protection for reliable, safe operation.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description