NCP1550SN30T1

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NCP1550SN30T1 is a step-up DC/DC switching regulatior. It provides efficiencies up to 95%. It is suitable for high output current applications, such as notebooks, medical devices, and set-top boxes, which require multiple outputs and high efficiency. NCP1550SN30T1 features two voltage output ports. It has a scaleable output voltage from 1.2V to 15V, with output currents up to 2A.

Application Field

NCP1550SN30T1 has a wide range of applications, most notably in notebooks and other portable products requiring a high output current and a high efficiency form factor. Its scaleable output voltage and current allows it to power many different applications and circuit designs, while its ultra- low-voltage startups and low-power consumption allows it to be used in both AC/DC and DC/DC systems.

NCP1550SN30T1 can be used in applications such as voltage regulator, battery charging, and DC/DC conversion. Its high efficiency and low-power consumption make it an ideal solution for AC/DC systems, like medical devices and set-top boxes.

Working Principle

NCP1550SN30T1 is a DC/DC switching regulator. It has two voltage output ports. A voltage is applied across the input nodes, and if the voltage exceeds a certain preset threshold, an on-time signal is sent to the switching circuit, causing the output voltage to increase. This increases the output current. Similarly, if the input voltage is below the preset threshold, an off-time signal is sent to the switching circuit, causing the output voltage to decrease. Then the output current decreases.

The on-time and the off-time signals are generated by the NCP1550SN30T1’s internal circuit. It works in a hysteretic mode and can be set with external resistors. The input voltage, the output voltage and the duty cycle are controlled by monitoring the voltage across the resistors. The circuit\'s power is provided by an external power source.

NCP1550SN30T1 is designed to provide a high efficiency form factor, along with fast transient response, ultra-low-voltage startups, and programmable output current limit. It also provides short-circuit protection and thermal shutdown, making it suitable for many different applications.

Conclusion

NCP1550SN30T1 is a step-up DC/DC switching regulator that provides efficiencies up to 95% and can be used in applications such as voltage regulators, battery charging, and DC/DC conversion. It has two voltage output ports and a scaleable output voltage from 1.2V to 15V. It has a working principle based on a hysteretic mode, and provides fast transient response, ultra-low-voltage startups, and programmable output current limit. It is suitable for use in notebooks and other portable products requiring a high output current and a high efficiency form factor.

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