NJU7261U33-TE1

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NCP7261U33-TE1 is a N-Channel MOSFET DC/DC switching regulator with integrated controller. It is designed to provide a high-speed regulation of a current-fed topology, offering excellent regulation accuracy and fast response times. NCP7261U33-TE1 is suitable for portable applications, such as laptops, tablets, audio and other consumer-related products.

The main features of NCP7261U33-TE1 include: Ultra-Fast switching-regulator current-mode control with 25kHz. nominal switching frequency, low RDS (ON) MOSFET -Rds(on) Typ=58mΩ (Vds=3.3V), low battery dropout voltage, low power consumption and low quiescent current. This provides high efficiency and low input voltage ripple to the external circuit. In addition, NCP7261U33-TE1 has a power-good indication, over-current protection and over-voltage protection.

The application of NCP7261U33-TE1 includes portable, industrial and consumer circuit applications, such as communications, digital imaging and home automation. It is ideal for use in applications requiring high efficiency and fast transient response. It is also suitable for applications requiring the use of an adjustable switching frequency, such as adjustable remotely-regulated power supplies, LED drivers and automotive systems.

The Working Principle of NCP7261U33-TE1 is based on a synchronous dc-dc converter topology, with an internal MOSFET switch utilized to control current. The controller regulates the output voltage by feeding a current into the primary winding of the transformer. When the output voltage rises, the controller senses that the voltage is too high and turns off the MOSFET switch, which causes the current through the primary winding to drop and the output voltage to decrease.

The NCP7261U33-TE1 has a built-in frequency compensation circuit that adjusts the switching frequency to optimize the regulation performance of the system. The frequency is adjusted accordingly when the conditions of the load or the output voltage are changed. This ensures that the converter is able to regulate an output voltage over a wide range of values and remain stable even when the load conditions fluctuate.

The NCP7261U33-TE1 is an efficient, economical and reliable DC/DC switching regulator solution with excellent transient response times and excellent regulation accuracy. It is popularly used in many consumer electronic products and is capable of efficiently converting the energy supplied by a variety of sources into other forms of energy. The NCP7261U33-TE1 is an ideal solution for a wide range of applications requiring high efficiency and fast transient response times.

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