LM2575SX-5.0/NOPB

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The LM2575SX-5.0/NOPB (from hereon referred to as the LM2575) is a high-efficiency, step-down voltage regulator from Texas Instruments. It belongs to the family of DC/DC converters, specifically DC/DC switching regulators. LM2575 is a monolithic, low-voltage, DC/DC switching regulator with an adjustable output voltage range of 1.23V to 37V, making it suitable for a wide range of voltage regulation applications.

The LM2575 is also particularly well-suited for power management applications in which there is a need to produce wide and/or low-voltage ranges. It features advanced current and voltage regulation, as well as protection features such as over-current protection, short-circuit protection, thermal shutdown, and brown-out protection. As such, it can be safely and effectively used in a variety of power-supply and power-conversion applications.

The LM2575 can be used in a variety of applications, including switch-mode power supplies (SMPS) and handheld battery-powered applications, as well as in other power conversion applications such as single-cell lithium-ion battery chargers. Its excellent ripple performance and fast transient response also make it suitable for use in other applications, such as automotive and avionic systems.

The LM2575 is available in several different package options, including the TO-220-5, TO-263-6, and SC-70-5 packages. It also has a wide operating temperature range of -40°C to +125°C and can operate from either a DC or an AC input.

At its core, the LM2575 contains a high-voltage, low-dropout, fixed frequency synchronous buck (step-down) switching regulator. This switching regulator has a wide input voltage range of up to 5.5V (DC or AC input) and can provide an output voltage of up to 37V. It is capable of delivering up to 12A at full load, with an efficiency of up to 93%.

The LM2575 also contains a number of protection and control features, including over-current protection, short-circuit protection, thermal shutdown, and brown-out protection. This ensures that the LM2575 is well-suited for applications in which large changes in load and input voltage are expected.

The LM2575 has a wide range of features and benefits, making it an excellent choice for a wide range of power-supply and power-conversion applications. Its adjustable output voltage range of 1.23V to 37V, high efficiency, and wide operating temperature range make it suitable for a variety of applications. Its advanced current and voltage regulation, as well as its protection features, also guarantee reliable operation in a variety of operating conditions. Finally, its wide selection of package options makes it an excellent choice for power management applications.

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