NX7102IDETR

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NX7102IDETR Application Field and Working Principle

As a typical type of DC DC switching regulators, NX7102IDETR belongs to PMIC (Power Management IC). In particular, it is a non-isolated DC DC step-down switching regulator that provides power from an input DC source in the range of 4V to 60V to various loads such as FPGAs, DSPs, microprocessors, CCDs, etc. NX7102IDETR is especially suitable for applications that require high-speed response, low-noise operation, low component count and very low standby power.

NX7102IDETR provides 7A output current and has three types of output voltages (3.3V, 5V, 12V). It adopts peak current mode control, digital loop compensation and duty cycle preloading, providing fast dynamic response, high accuracy and good noise suppression. Moreover, its low frequency switching mode operation reduces output ripple, resulting in a clean power supply. In addition, its frequency ranges from 400KHz to 2MHz and can be adjusted depending on the application.

NX7102IDETR has many other features suitable for today\'s power demanding applications. Its adjustable soft start function can stabilize the startup performance of the system, while its input undervoltage lockout feature ensures that the system does not become unstable during start-up and undervoltage conditions. What’s more, its over temperature shutdown feature protects the system from over temperature damage. Other features include over-voltage protection, under-voltage protection, overcurrent protection and short-circuit protection.

The working principle of NX7102IDETR is relatively simple. It uses a power switch, usually a MOSFET or other similar component, to deliver power from an input source, such as a battery, to a load. The frequency of the power switch is controlled by the on-chip control system, and the output voltage is sensed using a precision voltage feedback circuits and monitored with a comparator. Then the output voltage is compared to a reference voltage, which is adjusted by the control system. Then depending on the comparison result, the power switch’s frequency and/or duty cycle are adjusted to maintain the output voltage.

In conclusion, NX7102IDETR is a great solution for today’s power demanding applications. It provides high-speed response, good noise suppression, low-noise operation, low component count and very low standby power, which makes it an ideal choice for power management applications. Furthermore, its unique features such as adjustable soft start function and over temperature shut-down feature make it a highly reliable power solution.

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