SPX5205M5-L-2-5

Current - Output:	150mA
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Control Features:	Enable
PSRR:	--
Current - Supply (Max):	2.5mA
Current - Quiescent (Iq):	5µA
Series:	--
Voltage Dropout (Max):	0.35V @ 150mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.5V
Voltage - Input (Max):	16V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Discontinued at Digi-Key
Packaging:	Bulk

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Introduction

The SPX5205M5-L-2-5 is a linear voltage regulator specifically designed for applications requiring extra-low dropout voltage, high dynamic performance and extremely low quiescent current. With its versatile feature set, the SPX5205M5-L-2-5 is an ideal choice for applications like battery charging, embedded systems and other power sensitive applications.

Application Field

The SPX5205M5-L-2-5 is suitable for a wide variety of applications, ranging from battery charging, automotive systems, and embedded systems, to even high current applications such as 24V DC-DC converters and power supplies.When used in a battery charging environment, the SPX5205M5-L-2-5 ensures a stable 5V output voltage and provides a very low input voltage, making it ideal for carrying out battery charging operations. It can be used as a linear voltage regulator in power-sensitive systems as well, thanks to its extremely low quiescent current and fast transient response.In automotive systems, the SPX5205M5-L-2-5 serves as an excellent choice for ignition controllers, door system controllers, and various other applications that require a low-noise linear voltage regulator for powering the ICs.Finally, embedded systems, 24V DC-DC converters, server power supplies, and power management for FPGAs can also leverage the SPX5205M5-L-2-5’s advanced features and capabilities.

Working Principle

The SPX5205M5-L-2-5 voltage regulator employs a linear power topology, which means it works by reducing the input voltage (VIN) to a lower output voltage (VOUT). The voltage regulating feedback loop is made up of the input (VIN) and output (VOUT) which are connected to a pair of resistors, which act as an error amplifier.When the output voltage (VOUT) drops below the set point, the error amplifier increases the input voltage (VIN) until the output voltage (VOUT) is equal to the set point voltage.The main advantage of this type of voltage regulator is that it allows for very accurate voltage regulation, since the output voltage is equal to the set point voltage regardless of the changes in the input voltage. Additionally, this type of regulator offers a very low output noise, making it ideal for applications that require low noise operation.Finally, the SPX5205M5-L-2-5 is designed to be able to operate from a wide range of input voltages, making it suitable for use in many different types of applications, from low voltage portable systems to high voltage power supplies.

Conclusion

The SPX5205M5-L-2-5 linear voltage regulator is an ideal choice for a variety of applications, ranging from battery charging and automotive systems to embedded systems, 24V DC-DC converters and power supplies. Its advanced features and capabilities greatly reduce the noise and power dissipation, while providing a very low dropout voltage and fast transient performance.

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