SUTW34812

Current - Output (Max):	130mA, 130mA
Supplier Device Package:	--
Size / Dimension:	1.18" L x 0.36" W x 0.92" H (30.0mm x 9.2mm x 23.4mm)
Package / Case:	7-SIP Module
Mounting Type:	Through Hole
Efficiency:	76%
Operating Temperature:	-40°C ~ 85°C (With Derating)
Features:	--
Applications:	ITE (Commercial)
Voltage - Isolation:	500V
Power (Watts):	3.1W
Series:	*
Voltage - Output 4:	--
Voltage - Output 3:	24V
Voltage - Output 2:	-12V
Voltage - Output 1:	12V
Voltage - Input (Max):	76V
Voltage - Input (Min):	36V
Number of Outputs:	2
Type:	Isolated Module
Part Status:	Active

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DC DC Converters: SUTW34812 Application Field and Working Principle

DC commutator converters are used in a variety of areas from high performance automotive applications to industrial equipment and many more. The SUTW34812 is a dual output isolated DC-DC converter that provides up to 12A per output with wide input voltage range, adjustable output voltage, transient response, and well-regulated output current. It has been designed to give low power losses, high conversion efficiency, fast transient response, and low electromagnetic interference (EMI).

SUTW34812 Application Field

The SUTW34812 is suitable for different application fields. It can be used for various industrial motor-drive applications such as electric vehicles, integrated motor control systems, industrial batteries, and power supplies. Moreover, it is very well-suited for robotics and autonomous machines, communication and navigation applications, and home and office appliances.

SUTW34812 Working Principle

The working principle of the SUTW34812 DC-DC converter is based on the forward converter topology. In this topology, the input voltage is converted into a higher voltage or a lower voltage by using a switched inductor and capacitors in series and parallel.The SUTW34812 DC-DC converter is an isolated subsystem encompassing two switching stages. These two stages are referred to as the switching stage and the output stage. The switching stage rectifies the input voltage and the output stage transforms the rectified voltage into the required output voltage.The switching stage is constructed using two identical switches, a magnetic core and an output capacitor. When the switching stage is activated, the input voltage is applied across the inductor and the switches, making the circuit alternately turn on and off. When the switches are alternately turned on, the current increases in the inductor. This energy is then stored and released in the form of a voltage when the switches are turned off. This creates an output voltage that is greater than the input voltage.The output stage then takes the output from the switching stage and further regulates and controls the voltage. It is composed of two identical switches, which also alternate between being on and off, and a bulk capacitor. The output voltage is adjusted by changing the duty cycle of the switches and the voltage is regulated by controlling the switching frequency.

Conclusion

The SUTW34812 is a highly efficient isolated DC-DC converter that can be used for applications ranging from industrial to automotive to home and office appliances. It is based on the forward converter topology and includes two stages: the switching stage and the output stage. The switching stage rectifies the input voltage and the output stage transforms the rectified voltage into the required output voltage. The SUTW34812 is a great choice for those looking for a powerful, efficient, and cost-effective DC-DC converter for their application.

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