DFA20E48S12

Current - Output (Max):	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:	84%
Operating Temperature:	-50°C ~ 100°C
Features:	--
Applications:	ITE (Commercial)
Voltage - Isolation:	700V
Power (Watts):	20W
Series:	DFA20
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	12V
Voltage - Input (Max):	72V
Voltage - Input (Min):	36V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Obsolete
Packaging:	Bulk

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DC-DC converters are electronic components used to transfer electrical energy from one device or power source to another. They can convert a DC signal from one voltage level to another or provide an isolated output with an impedance or isolation ratio to minimize the impact from environmental noise. DFA20E48S12 is a high-performance DC-DC converter module with the dimension of 2"x2"x1.6", it is used for the applications of distributed power systems, board level power management and advanced telecom control and system level requirements.The working principle of DFA20E48S12 is based on the semi-conductor technology known as synchronous rectification, this technique is used to convert alternating current (AC) into direct current (DC). This is accomplished by using a pair of transistors with synchronous-on and simultaneous-off operation, as a result, it eliminates the need for an external diode and increases the efficiency of the converter. The DFA20E48S12 uses a control algorithm to accurately and continuously regulate the output voltage and current without requiring manual intervention. This is done by monitoring the feedback voltage and adjusting the output voltage and current set points as needed to maintain the correct output level.The DFA20E48S12 module can be used in a wide range of applications requiring reliable DC-DC conversion, ranging from consumer electronics to industrial grade power systems. It can be used for the continuous current supply of power equipment and for the buck-boost, or adjustable voltage and current, supply of digital and analog electronic circuits. In buck-boost mode, the DFA20E48S12 can be used for Supply Voltage Identification (SVID) in DDR4 memory modules, which allows the system to detect and adapt to different supply voltages when multiple power sources are connected.The DFA20E48S12 has a wide operating range from 3V to 48V and is capable of delivering output currents from 1A to 20A as determined by load demand. It is designed to operate at temperatures ranging from -40°C to 105°C while providing the highest level of protection against over-temperature, over-voltage, under-voltage, and short-circuit conditions. This module is also equipped with a fault topology which can detect any faults in the input and output stages of the converter and shut down the module immediately to avoid any permanent damage.With its high power output, small size and robust design the DFA20E48S12 is an ideal solution for many applications requiring an isolated power supply. Its harmonics-free operation, high efficiency, and wide-operating temperature range make it a reliable source of power for various mission-critical applications such as: data centers, industrial automation, automotive electronics, telecom systems, and medical equipment. Additionally, its adjustable output voltage and current make it a suitable choice for powering digital and analog devices such as SSDs, microcontrollers, and other sensitive electronic components.Overall, the DFA20E48S12 module is a high-performance DC-DC converter with a wide operating range, a robust design, and a high power output. It is ideal for many applications such as distributed power systems, board level power management, and advanced telecommunication control. Its advanced control algorithm, harmonics-free operation, and adjustable output voltage and current make it a suitable choice for powering various mission-critical electronic devices.

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