NCP308SN090T1G

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NCP308SN090T1G is a low-voltage, high-precision voltage supervisor chip developed and produced by ON Semiconductor. It is mainly used in various electronic product applications, providing power monitoring and control functions. In addition, product design also ensures trimming accuracy, high-speed response time and low-power consumption. It belongs to the PMIC-Supervisors, and the specific applications and working principles of NCP308SN090T1G are described in detail in this paper.

NCP308SN090T1G is primarily designed for systems with a core operating voltage of 0.9V or less. This makes it ideal for use in portable applications that require power stability. It is also suitable for microprocessor-based systems, such as digital cameras and devices, or other microprocessor or digital logic based systems. In addition, it is also widely used in various electronic products, including mobile phones, PDAs, digital cameras, notebooks, MP3 players, etc.

As for the applications of NCP308SN090T1G, it can be used for voltage monitoring and control, power control and system reset. It is also used in systems with a backup power supply as a low voltage detector. This allows a voltage supervisor to simultaneously monitor individual voltages and maintain a constant voltage level. Its voltage monitoring and control functions provide an internal reset output signal when the monitored voltage drops below a certain predetermined level. In addition, NCP308SN090T1G also has the ability to provide visual indication of power supply failure, so that the user can be instantly aware of a potential system problem.

The working principle of NCP308SN090T1G is relatively simple. Its working voltage is 0.8V to 3 V, and its operating temperature is -40C to +85C. The threshold voltage accuracy is +-5%. It has an open-drain reset signal output. When the voltage falls below the preset threshold voltage, the output of pin1 is reset, outputting an active low signal. When the voltage rises above the preset threshold voltage, the chip will resume its normal operating state. In addition, the chip also features an undervoltage lockout circuit to ensure stable voltage output.

In conclusion, NCP308SN090T1G is a high precision low voltage voltage supervisor chip developed and produced by ON Semiconductor. It belongs to the PMIC-Supervisors, and its main application fields are portable systems, microprocessor-based systems and other electronic products. Its working principle is relatively simple, that is, when the voltage falls below the preset threshold voltage, the output will enter a reset state, outputting an active low signal. Any voltage above the preset threshold voltage will resume its normal operating state.

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