LM2574HVMX-3.3/NOPB

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 The LM2574HVMX-3.3/NOPB is a 5A negative adjustable step down switching DC/DC regulator. It provides excellent performance for low voltage applications and is designed to deliver up to 3.3V/5A of output current. The device features a wide operating range from 4.5V to 28V and soft-start current limit for improved EMI performance. It can be used in a variety of applications including automotive, consumer, industrial and consumer electronics.

The LM2574HVMX-3.3/NOPB has a variety of advanced features which make it an ideal choice for managing power in low voltage applications. The device is capable of delivering high output current and offers excellent line and load regulation. It has an adjustable operating frequency up to 1MHz and a wide input voltage range of 4.5V to 28V. It also features overcurrent protection, short-circuit protection, thermal shutdown protection and reverse polarity protection.

The LM2574HVMX-3.3/NOPB is designed for easy use in low voltage DC/DC applications. The device features a low minimum operating current of 500µA and a low quiescent current of only 5µA when the regulator is in disabled mode and the input voltage drops below the undervoltage lockout threshold. The device also includes a built-in soft-start current ramp which enables the device to start up quickly and smoothly.

The working principle of the LM2574HVMX-3.3/NOPB is straightforward and relatively simple. When a voltage is applied to the input, the integrated control IC switches the internal MOSFETs on and off to regulate the output voltage. The output voltage is regulated according to the control loop set by the feedback resistors. The current limit of the regulator is determined by the integrated current sense circuit. When the current limit is exceeded, the internal MOSFETs are switched off until the limit is no longer exceeded.

The LM2574HVMX-3.3/NOPB is a great choice for powering microcontrollers, ASICs and motor drivers in a variety of low voltage applications. Its excellent line and load regulation, high output current and a wide operating range make it an ideal choice for many applications. It is also highly flexible and can be used in both Step Down and Inverting configurations.

The LM2574HVMX-3.3/NOPB is a great choice for applications where power is tightly regulated. Its built-in features, wide operating range and simple operation make it an excellent solution for low voltage DC/DC applications.

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