LM5642XMHX/NOPB Integrated Circuits (ICs)

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The LM5642xMHx/NOPB is an all-in-one DC/DC switching controller, designed to reduce the complexity of low power, high efficiency, isolated and non-isolated power supplies. It provides high-efficiency voltage regulation, as well as protection and diagnostic features. The LM5642xMHx/NOPB is a general purpose switch mode (SM) controller, suitable for applications that require high current, low voltage step-down and step-up voltage regulation.

The LM5642xMHx/NOPB consists of two main blocks, the current and voltage regulation blocks. The current regulation block includes a buck, boost, or buck-boost stage. The voltage regulation block includes a voltage reference, an error amplifier, and voltage feedback loop, to ensure accurate output voltage regulation. The output of the current and voltage regulation blocks are then combined to produce an output voltage regulated, with a regulated current.

The LM5642xMHx/NOPB provides efficient step-down and step-up voltage regulation, with low idle current, fast transient response, and high the efficiency across the entire voltage range. It also provides a high level of accuracy and protection features, such as thermal shutdown and precision reference voltage. The LM5642xMHx/NOPB has a wide input voltage range, up to 36V, and can deliver up to 5A of output current.

The LM5642xMHx/NOPB is suitable for a variety of applications, including point-of-load (POL) supplies, laptop power supplies, automotive supply systems, battery chargers, and power management systems. Additionally, it can be used in synchronous or non-synchronous buck, boost, buck-boost, and linear power supplies, as well as in complex power delivery systems.

The main features of the LM5642xMHx/NOPB are that it can be easily configured for different output voltages and current levels, and it provides accurate regulation of output voltage bias. It has a ripple rejection of 65dB and a PSRR of 85dB. It also offers a wide range of output voltage, up to 36V, and a current rating of up to 5A.

The LM5642xMHx/NOPB has a simple, easy-to-use interface, and an integrated gate driver, which eliminates the need for external components. It is available in a wide range of packages, including through-hole and surface mount, for easy integration into different applications.

In conclusion, the LM5642xMHx/NOPB is an all-in-one, flexible and cost-effective solution for powering low power, high efficiency, isolated and non-isolated power supplies. It offers high efficiency voltage regulation, accurate output voltage regulation, and protection and diagnostic features. It is suitable for a range of applications, including point-of-load supplies, laptop power supplies, automotive supply systems, battery chargers, and power management systems.

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