SPX2951ACS-L-5-0/TR

Current - Output:	150mA
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable, Power On Reset
PSRR:	--
Current - Supply (Max):	8mA
Current - Quiescent (Iq):	170µA
Series:	--
Voltage Dropout (Max):	0.5V @ 150mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	5V
Voltage - Input (Max):	30V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

The SPX2951ACS-L-5-0/TR is a linear voltage regulator integrated circuit used for providing regulated output voltage from a variety of input sources. It is a three-terminal device used in a wide array of applications, and its working principle is based on the voltage regulating techniques of linear regulating and current limiting. The device features an adjustable output voltage range that is suitable for driving low-current loads. This article will discuss the application field and working principle of the SPX2951ACS-L-5-0/TR.

Application Field

The SPX2951ACS-L-5-0/TR integrated circuit is suitable for a wide array of voltage regulating applications. It is especially suitable for applications where precise voltage regulation is required, such as microprocessor-based digital systems. Additionally, since it is a three-terminal device, it can be used to supply a single output voltage or multiple output voltages at once.The SPX2951ACS-L-5-0/TR can also be used in relays and motor control circuits. As such, it can be used to properly regulate the voltage across the motor during operation, thus ensuring reliable operation. Furthermore, the device can also be used in power supply circuits, allowing it to replace older buck and boost converters.

Working Principle

The SPX2951ACS-L-5-0/TR integrated circuit employs two voltage regulating techniques to maintain a regulated output voltage: linear regulation and current limiting. When the output voltage is lower than the desired level, the linear regulating circuit will increase it by increasing the output current. However, if the output voltage is higher than the desired level, the current limiting circuit will lower it by reducing the output current. In order to maintain a constant output voltage, the linear regulator is designed to operate within a certain voltage range. For example, if the input voltage deviates above or below the desired range, the output voltage will fluctuate accordingly. This is why the SPX2951ACS-L-5-0/TR is suitable for applications where precise voltage regulation is required.Furthermore, the SPX2951ACS-L-5-0/TR also includes a thermal protection circuit. This circuit ensures that the device does not overheat and is protected in an environment of high temperature or power dissipation. The device also features short-circuit protection. This ensures that the output voltage does not exceed its specified limits in case of accidental short-circuiting.

Conclusion

The SPX2951ACS-L-5-0/TR integrated circuit is a three-terminal device designed for providing precise and stable outputs from a variety of input sources. The device features a adjustable output voltage range suitable for driving low-current loads, short-circuit protection and built-in thermal protection. It uses linear regulating and current limiting techniques to maintain precise output voltage within the specified range. This allows the device to be used in a variety of applications, such as microprocessor-based digital systems, motor control circuits, and power supply circuits.

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