LM2575HVSX-3.3/NOPB

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The LM2575HVSX-3.3/NOPB is a step-down switching regulator, also known as a buck regulator, which operates by reducing the input voltage to the desired output voltage. It’s a switching regulator IC (Integrated Circuit) from National Semiconductor designed to supply a regulated output voltage from a wide input voltage range in a wide temperature range. It is part of the broad and diverse range of voltage regulators from National Semiconductor.

The LM2575HVSX-3.3/NOPB switching regulator provides an efficient and cost-effective power management solution for applications requiring a low output voltage such as 3.3V. It has an operating temperature range of -40 to +85°C, a maximum output current of 1.5A and it is capable of delivering output power up to 5W. It is ideal for use in many different power management systems such as automotive and industrial applications, or any other application that need a low output voltage coupled with good efficiency and low noise operation.

The LM2575HVSX-3.3/NOPB switching regulator comes with built-in over-temperature, over-current and short-circuit protection, making it ideal for use in harsh environments such as automotive applications. The device also has an internal 0.02 ohm current limit protection, which can prevent improper connections from damaging the IC. The regulator has a 16-pin SOIC package, making it suitable for through-hole mounting.

This switching regulator can operate in either a continuous or a discontinuous current mode, making it suitable for a wide range of applications. The switching frequency is adjustable and is set using a simple resistor and capacitor combination. The device also has soft-start protection, making it ideal for start-up applications. It can also operate in either a constant frequency or an external clock mode.

The LM2575HVSX-3.3/NOPB switching regulator works by using a high frequency, voltage-controlled oscillator to drive two power MOSFETs in a buck configuration, resulting in the desired output voltage. This type of regulator offers low noise operation and improved load and line regulation, making it ideal for power management applications. The device also has a low shutdown current, making it suitable for battery-powered applications.

Overall, the LM2575HVSX-3.3/NOPB switching regulator offers an efficient, cost-effective solution for applications such as automotive and industrial applications, or wherever a low-noise and low-output voltage regulator is needed. It offers a wide operating temperature range and multiple levels of protection, making it an ideal choice for a variety of power management systems.

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