SPX3819M5-L-3-0/TR

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):	0.7V @ 500mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3V
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

SPX3819M5-L-3-0/TR is a three-channela voltage regulator designed for mobile applications. It is a linear voltage regulator that can be used for various low-power devices and customized for various application purposes. It provides superior performance and a reliable power conversion, which reduces power loss, improves energy efficiency, and increases battery life. The device operates from an input voltage range of 4.5-7V and allows for up to three outputs for adjustable voltage. In addition, it is capable of current handling up to 1A and it supports a wide operating temperature range from -40°C to +85°C.

Application Field

The SPX3819M5-L-3-0/TR is ideal for mobile applications due to its adjustable output voltage, low power loss, and wide operating temperature range. Specifically, it is useful for battery-powered mobile devices such as smartphones, tablets, and PDAs. Furthermore, it is also used in connected applications such as music systems, wireless motors and gaming equipment. Finally, with its adjustable output voltage, it can be used in custom applications such as low-power signal conditioners, temperature regulators, and embedded systems.

Working Principle

The SPX3819M5-L-3-0/TR is a linear voltage regulator that translates an input voltage into a desired output voltage. Its narrow voltage range and low power loss enable it to retain more energy in mobile applications. The device contains three adjustable output channels, enabling it to convert a single input voltage into up to three adjustable output voltages. It also implements three control loops which regulate the output voltages and control their line and load regulation.The device features an integrated low-dropout (LDO) voltage regulator with advanced protective features, such as undervoltage protection, overvoltage protection, short circuit protection, thermal shutdown, and power-on reset. The device also has other features such as built-in synchronous rectification, active current limitation, adjustable current limit and programmable soft-start. When the device is switched on, the integrated POR circuitry will reset the logic inside the IC and make it ready for use.

Conclusion

The SPX3819M5-L-3-0/TR is a versatile linear voltage regulator designed for use in mobile applications. It provides a reliable power conversion from a single input voltage into three adjustable output voltages with excellent line and load regulation. It features advanced protective features, such as undervoltage protection, overvoltage protection, short circuit protection, thermal shutdown, and power-on reset. With its power-saving features, the device enables low-power devices to operate with increased battery life.

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