NCP3063DR2G

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Introduction: The NCP3063DR2G is a monolithic integrated regulator provided in the fourteenth to twenty-ninth pin package. This three terminal device features an integrated low side n-channel MOSFET for controlling the switching between source and drain, and can be used for a switching regulator or converter such as step-down (buck), step-up (boost), or inverting (flyback) regulators, and DC-DC converters.

Application Fields: NCP3063DR2G IC can be used for a variety of applications including:

• Laptop and notebook power adapters
• DC-DC converters
• Battery charging
• USB power
• Power over Ethernet
• Inverters
• Telecom/Networking systems
• Industrial and consumer applications

Working Principle: The NCP3063DR2G IC utilizes pulse width modulation (PWM) to adjust the voltage level over the switching period. The PWM modulated signal is used to gate a power device, typically a MOSFET. The power device switches on, allowing current to flow from the input to the output and through the NCP3063DR2G, and allowing the output voltage to rise. Once the desired voltage has been reached, the device then turns the MOSFET off and the output voltage begins to drop. This process then repeats, effectively changing the output voltage by controlling the input voltage. The device is also capable of synchronizing to a certain frequency in order to prevent unwanted signals from entering the system and affecting the output voltage.

Benefits: Some of the benefits of using NCP3063DR2G are:

• Integrated MOSFET for low power dissipation
• Quiet operation with low EMI
• Internal compensation and soft-start
• Wide input voltage range
• Leakage current of 1 µA at VDD = 5 V
• Low external components count
• High switching frequency of 1.2 MHz

The NCP3063DR2G is an ideal device for a wide range of applications due to its small footprint, low power consumption, and high efficiency. The integrated MOSFET also ensures that the device is able to operate at high switching frequencies without catastrophic failure, which is especially beneficial for high current applications.

Conclusion: The NCP3063DR2G IC is a monolithic integrated DC-DC switching regulator designed for a variety of applications such as laptop and notebook power adapters and DC-DC converters. It utilizes pulse width modulation to control the switching frequency and offers a wide input and output voltage range as well as a low external components count. Additionally, the integrated MOSFET ensures that the device can operate at high frequencies without catastrophic failure, making it ideal for most power applications.

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