NCP3985SN275T1G

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NCP3985SN275T1G is a power management Integrated Circuits (PMICs) specifically designed to address the needs of current and future generations of voltage regulator products. It is specifically designed to provide different output voltage levels from a single input rail. It offers good protection features, wide input voltage range and thermal protection. The device offers a wide input voltage range from 2.7V to 36V and a low output voltage range from 0.82V to 26V. It has very low quiescent current and is suitable for battery-powered applications. It also operates over a wide temperature range from -40°C to 125°C.

Features

• Wide input voltage range (2.7V to 36V)
• Output voltage range from 0.82V to 26V
• Very low quiescent current (50uA maximum)
• Wide temperature range (-40° to 125°C)
• Inrush current limit
• Internal Current limit
• Thermal protection built-in
• Under-voltage lockout
• Sync switching mode

Application Fields

NCP3985SN275T1G is ideal for a wide range of applications that require an adjustable output voltage. It is often used in consumer electronics such as laptops, mobile phones, tablet computers, LCD displays, medical equipment, digital cameras, etc. It is also used in automotive applications such as automotive power management systems, power converters, and ignition systems. Additionally, it can be used in industrial applications such as industrial machinery, test and measurement equipment, and factory automation.

Working Principle

The NCP3985SN275T1G is a linear voltage regulator, meaning it converts an input voltage (the voltage from the power supply) to an adjustable regulated voltage. This regulated voltage is then used for powering a load (such as an LED, microcontroller, or other device). The device features built-in voltage regulation or a combination of voltage regulation and current limit, which allows it to deliver a continuous and constant output voltage. In order to reduce power dissipation, the NCP3985SN275T1G includes a power supply rejection feature that enables the device to reduce output voltage ripple in response to supplying current to the load.

In addition to the voltage regulation, the NCP3985SN275T1G also includes protection features such as current limit, under-voltage lockout, and thermal protection. The current limit is a protection feature that monitors the output current and shuts off the output if the current exceeds a certain limit. This helps to protect both the device itself and the device it is powering. The under-voltage lockout feature prevents the device from powering up until the input voltage is high enough to ensure reliable operation. Finally, the thermal protection feature helps the device to prevent damage from overheating.

Overall, the NCP3985SN275T1G is a versatile and reliable linear voltage regulator that is suitable for a variety of applications. With its wide input voltage range, adjustable output voltage, protection features, and wide temperature range, it is well-suited for many portable and automotive power management applications.

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