DFA20E24D5

Current - Output (Max):	1.7A, 1.7A
Size / Dimension:	2.02" L x 2.02" W x 0.45" H (51.3mm x 51.3mm x 11.4mm)
Package / Case:	7-DIP Module
Mounting Type:	Through Hole
Efficiency:	81%
Operating Temperature:	-50°C ~ 100°C
Features:	--
Applications:	ITE (Commercial)
Voltage - Isolation:	700V
Power (Watts):	20W
Series:	DFA20
Voltage - Output 3:	--
Voltage - Output 2:	-5V
Voltage - Output 1:	5V
Voltage - Input (Max):	36V
Voltage - Input (Min):	18V
Number of Outputs:	2
Type:	Isolated Module
Part Status:	Obsolete
Packaging:	Bulk

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DC-DC Converters

DFA20E24D5 Application Field and Working Principle

DC-DC converters are an important part of electronic device designs due to their ability to transfer power between different voltages. DC-DC converters, such as the DFA20E24D5, are used to step up or step down voltages and therefore can be used to convert AC power to DC power, or for voltage level shifting.The DFA20E24D5 is a topology widely used in power supplies. It is a 2-stage, DC-to-DC power converter which uses a pair of switching transistors connected in parallel to convert an input voltage into a higher or lower output voltage. The two stages of this converter are the synchronous rectifier and the controllable converter. The synchronous rectifier regulates the output current and the controllable converter regulates the output voltage.The working principle of the DFA20E24D5 is that the input signal is rectified and then applied to the external inductor. The output voltage is then regulated by the controllable converter. This converter is a half-bridge switching circuit and has two main switching elements, namely the high side and low side switches. The high side switches are driven by a control signal and provide power to the external inductor. The low side switches are driven by an internal timer and generate the output voltage.The output voltage of the DFA20E24D5 can be adjusted within the range of 0-24V. There is no limitation on the output current that can be drawn from the converter and the efficiency of the converter is typically high. The DFA20E24D5 is also highly reliable and can operate continuously without any interruption.The application field of the DFA20E24D5 is widespread. It is typically used in battery-powered systems, automotive and industrial applications, and systems which require high efficiency and reliable power solutions. Some applications include power supplies, motor drives, fuel pumps, and fan drivers.In conclusion, the DFA20E24D5 is an efficient and reliable two-stage DC-to-DC power converter. It can be used in various applications to step up or step down voltages, and to convert AC power to DC power or to provide voltage level shifting. Its adjustable output voltage and high efficiency make it well-suited for use in a variety of applications.

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