NND301212

Series:	NN
Part Status:	Active
Type:	Linear
Number of Outputs:	2
Voltage - Input:	85 ~ 115 VAC, 98 ~ 132 VAC, 170 ~ 230 VAC, 195 ~ 265 VAC
Voltage - Output 1:	12V
Voltage - Output 2:	-12V
Voltage - Output 3:	--
Voltage - Output 4:	--
Current - Output (Max):	1.6A, 1.6A
Power (Watts):	30W
Applications:	ITE (Commercial)
Voltage - Isolation:	3.75kV
Efficiency:	45%
Operating Temperature:	-20°C ~ 71°C (With Derating)
Features:	Adjustable Output, Remote Sense, Universal Input
Mounting Type:	Chassis Mount
Size / Dimension:	6.46" L x 3.15" W x 4.47" H (164.0mm x 80.0mm x 113.5mm)
Minimum Load Required:	--
Approvals:	CE

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AC DC Converters: NND301212 Application Field and Working Principle

AC/DC converters are electronic devices that convert alternating current (AC) power to direct current (DC) power. These devices are used in a variety of applications, from power management to motor control and communications. The NND301212 is a DC-DC converter designed for use in a wide variety of applications. This article will discuss the application field and working principle of the NND301212 converter.The NND301212 is a bi-directional, touch-sensitive DC-DC converter, commonly used in different power management applications. It is designed to meet the requirements of high-end, high-frequency, and space-constrained applications. The device features a non-synchronous buck-boost topology with adjustable output voltage and current, allowing it to achieve excellent power conversion efficiency (up to 95%).The NND301212 is based on a field effect transistor (FET) driven switching topology, allowing it to easily achieve a wide range of output voltages. Its adjustable output current limit, input voltage reject and peak current limit features ensure a reliable and robust operation.The device is designed to work in rugged conditions, such as high temperature, vibration, and surge voltage. It also offers excellent EMI protection, providing an isolation barrier for the system. This device is suitable for a wide range of applications, including intelligent lighting systems, power supply systems, and distributed power systems.The working principle of the NND301212 is based on a two-stage architecture. First, a fully-enclosed buck-boost DC-DC converter is used to convert the input DC voltage to a suitable output voltage. This is done by switching the transistors on and off at a high frequency, allowing the output voltage to be adjusted. The second stage is a complementary output stage, which is responsible for providing the required current. This is done by using a pair of transistors, one of which is switched on and off by the control circuitry. This allows the output current to be continuous, making it suitable for a variety of applications.The NND301212 offers several advantages over conventional DC-DC converters, such as higher efficiency, smaller size, wide operating temperature range, and improved noise performance. In addition, the device is compliant with a number of international certifications, including CE and UL.In conclusion, the NND301212 is a highly efficient and space-saving DC-DC converter, designed for use in high-end, space-constrained applications. It is based on a FET driven switching topology, allowing it to achieve excellent power conversion efficiency. The device also offers excellent EMI protection, providing an isolation barrier for the system. Its peak current limit, input voltage reject, and adjustable output current limit features ensure reliable and robust operation. With its wide range of certifications and features, the NND301212 is an excellent choice for applications in intelligent lighting systems, power supply systems, and distributed power systems.

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