NCV303LSN44T1

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

PMIC (Power Management Integrated Circuit) is an important component in the design of various electronic products. It is commonly used to control the power of the system. Supervisors are one of the major components of PMICs, and NCV303LSN44T1 is a typical supervisor. It has a wide range of application fields and operating principles.

NCV303LSN44T1 is mainly used in medical, office, communication, home appliance and automotive electronics applications. As a supervisor, it is mainly used to detect the voltage level of the power supply, and it is responsible for verifying whether the voltage is in the valid range. As long as it is outside the range, it will pay attention to it and take corresponding protective measures. For example, if the voltage is too low, NCV303LSN44T1 will actively reduce the load on the device to protect the device from damage due to insufficient power or abnormal voltage; on the contrary, if the voltage is too high, it will take the initiative to cut off the power supply to the device. NCV303LSN44T1 can also automatically reset when the voltage returns to the valid range.

As a supervisor, NCV303LSN44T1 has a variety of varieties, including adjustable and non-adjustable. The adjustable supervisor chip is mainly used for different application fields, and its parameters can be adjusted according to the needs of the application circuit. Parameters that can be adjusted include the upper and lower voltage trip points, the reset delay time, the undervoltage lockout time, etc. Non-adjustable supervisor chips are mainly used in standard voltage systems and are not suitable for adjustment.

NCV303LSN44T1 is a combination of a voltage detector, a fold-back control circuit, a reset timer and a reset control circuit. Its working principle is as follows: first, the voltage detector monitors whether the voltage is within the valid range, and when it is detected to exceed the upper and lower limit, the fold-back control circuit will be triggered; then, the reset timer will be turned on and maintain a certain delay time. After the delay time is reached, the reset control circuit will be activated and the system will be reset. After resetting, the fold-back control circuit will maintain a certain period of power-off protection, and the reset timer will continue to regenerate a reset pulse until the voltage returns to the valid range.

To sum up, NCV303LSN44T1 can be widely used in various medical, office, communication, home appliance and automotive electronics applications, and its working principle is that it monitors the voltage of the power supply, takes corresponding protective measures when the voltage is outside the valid range, and maintains a power-off protection for a period of time until the voltage returns to normal.

The specific data is subject to PDF, and the above content is for reference