HPR402C

Series:	HPR4xxC
Packaging:	Tube
Part Status:	Obsolete
Type:	Isolated Module
Number of Outputs:	1
Voltage - Input (Min):	4.5V
Voltage - Input (Max):	5.5V
Voltage - Output 1:	15V
Voltage - Output 2:	--
Voltage - Output 3:	--
Current - Output (Max):	50mA
Power (Watts):	750mW
Voltage - Isolation:	3kV
Applications:	ITE (Commercial)
Features:	--
Operating Temperature:	-40°C ~ 100°C
Efficiency:	71%
Mounting Type:	Through Hole
Package / Case:	7-SIP Module, 4 Leads
Size / Dimension:	0.77" L x 0.24" W x 0.40" H (19.7mm x 6.2mm x 10.2mm)

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DC-DC converters are widely used in a range of applications today, and one of the most popular and reliable models is the HPR402C. It is a cost-effective, high-performance Power Supply, which offers robust and long-lasting options for both residential and commercial applications. The HPR402C is a step-down DC-DC converter, which means that it converts a higher DC voltage into a lower DC voltage. The converter is based on the Flyback switching topology, which is an efficient, rugged and reliable technique for step-down DC-DC conversion. The HPR402C is designed for maximum efficiency and long-term reliability. It has a wide range of input voltages and a regulated output voltage.The HPR402C can be used in various industrial, medical and consumer applications including solid-state lighting, battery charging systems, and even small home appliances. It also offers a wide range of protection features that ensure maximum reliability and safety. It boasts a relatively high power density, excellent efficiency, and low noise levels.The working principle of the HPR402C is quite simple. It converts the input DC voltage into an output DC voltage. The input voltage can be from a wide range of voltages, ranging from 6 to 60V DC. The output voltage, on the other hand, is typically set to 5V DC but can also be adjusted to other specified regulation levels. Once the input voltage is connected, the HPR402C converts the voltage to the desired output voltage by using a switched power stage. The switched power stage consists of a Flyback transformer, an active switch, and associated control circuitry. The active switch manages the switch ON and switch OFF times of the input voltage so that the coil of the flyback transformer can store energy in its magnetic field, creating an output voltage.The control circuitry is responsible for managing the output voltage by modulating the switching frequency of the active switch. By changing the ratio of switching ON time to switching OFF time, the output voltage can be adjusted. The control circuitry ensures that the output voltage is within the desired regulation limits, by maintaining an accurate balance between the switching frequency and the ratio of switching ON and OFF times.The HPR402C is a very reliable and robust power conversion solution. Its wide range of input and output voltages and protection features make it an ideal choice for a variety of applications. Its low noise characteristics, excellent power density and efficiency coupled with its reliable operation make it an attractive option in the market.

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