LMZ12002EXTTZE/NOPB

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DC DC converters are indispensable components in modern power supply systems. The LMZ12002EXTTZE/NOPB is a typical example of such components. This application note – which will include the field of application of the device, as well as its working principle – provides a comprehensive overview of the component and how it should be used.

Application Field of the LMZ12002EXTTZE/NOPB

The LMZ12002EXTTZE/NOPB is a members of National Semiconductor\'s high-speed switching converter family. It is designed for switched-mode, wide input range, low-voltage, high current applications such as: notebook and desktop computers, servers, and industrial power supplies. This DC DC converter has an input voltage range of 1.5V to 14V, and an output voltage range of 0.3V to 13V. The output current capability of this device is up to 10A, and it is well suited for point of load (POL) applications where high efficiency and tight regulation are beneficial. It can also be used to provide high output current and high density conversion for distributed rails, allowing for better power management and space utilization.

Working Principle of the LMZ12002EXTTZE/NOPB

The LMZ12002EXTTZE/NOPB is a pulse width modulated (PWM) DC DC converter that uses synchronous rectification to provide high efficiency and high power density. The internal PWM controller regulates the output voltage by switching the internal low on-resistance MOSFETs at a frequency of 1 MHz, with duty cycles from 0% to 100%. A high speed loop amplifier and external compensation network are used to hold the output voltage within tight tolerances. The device incorporates an on-board inductor and is capable of operating in both continuous and discontinuous conduction modes to meet the different requirements of different applications.

The LMZ12002EXTTZE/NOPB is a self-contained switching converter module that requires minimal external components. All switching losses and the losses due to the on-board transistors are included, and the converter is able to start into full load without requiring any special input capacitors or post-regulation circuitry. This makes it an ideal choice for high power and density applications that require a low component count and easy-to-implement solutions.

Conclusion

The LMZ12002EXTTZE/NOPB is a high performance DC DC converter that provides wide input range, high current and high efficiency. It can be used in many power supply systems, such as notebooks, servers, industrial systems, and distributed rails. The device is a self-contained module that requires minimal external components and is easy to implement. It is ideal for applications that require high power and density and low component count.

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