NN30321A-VB

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Function:	Step-Down
Output Configuration:	Positive
Topology:	Buck
Output Type:	Adjustable
Number of Outputs:	1
Voltage - Input (Min):	4.5V
Voltage - Input (Max):	28V
Voltage - Output (Min/Fixed):	0.75V
Voltage - Output (Max):	5.5V
Current - Output:	6A
Frequency - Switching:	210kHz, 430kHz, 650kHz
Synchronous Rectifier:	Yes
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	24-WFQFN Exposed Pad
Supplier Device Package:	24-QFN (4x4)

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Introduction
NN30321A-VB is a non-isolated step-down DC-DC converter with a synchronous rectification scheme that offers high power density for the compact size of DC-DC converter. The NN30321A-VB is unlike any other switching regulators due to its unique internal control and power ration optimization that are beneficial for high power applications. It is suitable for personal electronics, battery powered systems, as well as industrial systems, etc.

Applications
The NN30321A-VB is useful in a wide range of applications. It can be employed in applications that require reliable power converting solutions, such as automotive, industrial, personal electronic devices safe and efficient. Its wide input voltage range, up to 60V, allows it to be used in applications with a high degree of safety, such as automotive and industrial systems. The efficiency of the NN30321A-VB is up to 95%, making it an attractive option for applications with high power requirements. Moreover, its high accuracy makes it suitable to be used in applications that require precise voltage regulation, such as medical equipment and automotive systems.

Features
There are some key features about NN30321A-VB that makes it stand out of the switching regulators. First, its synchronous rectification circuit design minimizes power loss and maximizes efficiency, allowing it to achieve up to 95% efficiency. Second, the internal control and power ration optimization allows it to offer superior performance over traditional DC-DC converters. Third, its wide input voltage range, up to 60V, offers added safety for applications that use high voltage systems. Finally, its low EMI noise design allows it to be used in sensitive environments, such as medical applications.

Working Principle
The working principle of the NN30321A-VB is that it utilizes its internal control circuit and feedback loop for precise voltage regulation. It works by accepting an input voltage from the power source, and converting it to the desired output voltage through its switching circuit. The internal control circuit fine-tunes its switching frequency to ensure the output voltage remains stable and accurate. The NN30321A-VB also utilizes the synchronous rectification circuit design to optimize the power ration and reduce power loss, allowing it to achieve high efficiency.

Conclusion
In conclusion, the NN30321A-VB is an ideal choice for applications that require precise voltage regulation and high power efficiency. Its synchronous rectification circuit design, wide input voltage range, low EMI noise, and high accuracy makes it useful in a wide range of industrial and personal applications. The NN30321A-VB is a powerful and reliable switch mode DC-DC converter that offers superior performance and reliability for applications that require precise and efficient voltage regulation.

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