SPX3819S-L-2-5

Current - Output:	500mA
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, 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):	2.5V
Voltage - Input (Max):	16V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Discontinued at Digi-Key
Packaging:	Tube

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SPX3819S-L-2-5 Application Field and Working Principle

SPX3819S-L-2-5 is a high-performance linear voltage regulator designed for digital and analog circuits. It is suitable for a wide range of applications from mobile phones and tablet PCs to digital televisions and home theaters. The device offers low quiescent current and an extended feedback voltage range for exceptional dynamic performance. The SPX3819S-L-2-5 is a high-performance linear voltage regulator which features low quiescent current, wide input voltage range, and fast transient response.

Application Field

The SPX3819S-L-2-5 can be used in a wide range of applications, such as mobile phones and tablet PCs, digital televisions, home theaters and many other consumer electronics. Specifically, the device can be used to power up the circuits, to reduce noise and ripple, and to regulate electrical outputs. It provides stable and efficient voltage regulation, and is an excellent choice for design engineers. The SPX3819S-L-2-5 can also be used for other applications such as LED lights, HVAC, and industrial control systems. The device is suitable for fixed output voltage applications where low quiescent current and low output voltage ripple is desired. It offers low-noise operation, and its extremely low dropout voltage makes it an ideal choice for applications with a wide range of input voltages.

Working Principle

The SPX3819S-L-2-5 operates on the Top-Loop architecture, which eliminates the electric current flowing in the negative feedback loop and allows fast transient response. This architecture enables the device to deliver stable and efficient voltage regulation with low quiescent current and low output voltage ripple. The SPX3819S-L-2-5 features a wide input voltage range, which can be extended up to 22V. The device is capable of up to 300mA of output current, with a maximum drop-out voltage of 0.25V. It also has an improved thermal stability, and the device’s junction temperature can reach up to 125°C. This makes it suitable for applications which require higher operating temperatures. The SPX3819S-L-2-5 also features a Power Good (PG) signal which is used to indicate the output voltage is within acceptable levels. Once the output voltage decreases below the under-voltage (UV) threshold, the PG signal will be pulled low. This can be used to alert the system of a hazardous condition and protect it from damage, such as an over-voltage or under-voltage. The SPX3819S-L-2-5 also features a low-power shutdown mode which enables the device to quickly enter a low-power consumption state when the input voltage drops below the UV threshold. This is useful for applications which require a short response time and require low power consumption.

Conclusion

The SPX3819S-L-2-5 is a high-performance linear voltage regulator which offers low quiescent current, wide input voltage range, and fast transient response. It is suitable for a wide range of applications such as mobile phones, tablet PCs, digital televisions and home theaters. It features a wide input voltage range, and is capable of up to 300mA of output current. The Power Good (PG) signal provides an alert for hazardous conditions, and the low-power shutdown mode ensures the device is able to quickly enter a low-power consumption state. With its low drop-out voltage, high thermal stability, and extended feedback voltage range, the SPX3819S-L-2-5 is an excellent choice for a wide range of applications.

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