SPX3819M5-L-3-0

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The SPX3819M5-L-3-0 is a high-performance, low dropout linear regulator designed to deliver up to 3.0A of output current. It has excellent line and load regulation characteristics and can operate with input voltages ranging from 2.5V to 10V. The SPX3819M5-L-3-0 features protection from overvoltage and reverse battery conditions, short circuit protection, current limiting and thermal shutdown.

The SPX3819M5-L-3-0 can be used in a variety of applications, from low power MCUs and FPGAs to high power digital analog converters and other power devices. It\'s especially suitable for cellular phones, portable devices, computer peripherals and any other application that requires a stable, low dropout voltage supplied from an input voltage range of 2.5V to 10V.

The SPX3819M5-L-3-0 works on the principle of current-mode control. In this mode, the regulator controls the output voltage by controlling the current flowing through the series pass transistor. The output current is sensed directly by the internal current sense resistor and the internal reference voltage is compared to the output voltage. If the output voltage is lower than the reference voltage the current is increased and if the output voltage is higher than the reference voltage the current is decreased.

The SPX3819M5-L-3-0 includes an internal temperature compensation circuit which ensures that the output voltage remains stable when the operating temperature changes. It also includes an input voltage feedback divider which ensures that the output voltage is adjusted to the changing input voltage. Additionally, the output voltage is adjustable from 2.5V to 10V by means of an external voltage divider.

The SPX3819M5-L-3-0 also features accurate current limit with latch-off and thermal protection with auto recovery. The current limit protects the device by limiting the maximum current to a safe level. The thermal protection ensures that the device does not become overheated and shuts down when the specified temperature is exceeded. The latch-off feature prevents the current from increasing beyond the specified level.

The SPX3819M5-L-3-0 is ideal for many applications, such as automotive power supplies, chargers, flash memory, PDAs, and medical instrumentation. Its wide input voltage range and excellent line and load regulation characteristics make it suitable for battery-powered systems. Its low dropout voltage and low quiescent current make it ideal for low power applications.

In summary, the SPX3819M5-L-3-0 is a high-performance, low dropout linear regulator that is suitable for a wide range of applications. It features excellent line and load regulation characteristics and can operate with input voltages ranging from 2.5V to 10V. The SPX3819M5-L-3-0 also includes protection from overvoltage and reverse battery conditions, short circuit protection, current limiting and thermal shutdown. Its wide input voltage range, low dropout voltage and low quiescent current make it an ideal choice for many applications.

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