MDD02M-15

Current - Output (Max):	67mA, 67mA
Supplier Device Package:	7-SIP
Size / Dimension:	0.77" L x 0.39" W x 0.49" H (19.5mm x 9.8mm x 12.5mm)
Package / Case:	7-SIP Module, 5 Leads
Mounting Type:	Through Hole
Efficiency:	82%
Operating Temperature:	-40°C ~ 85°C
Features:	SCP
Applications:	Medical
Voltage - Isolation:	6000V
Power (Watts):	2W
Series:	MDD02
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	-15V
Voltage - Output 1:	15V
Voltage - Input (Max):	13.2V
Voltage - Input (Min):	10.8V
Number of Outputs:	2
Type:	Isolated Module
Part Status:	Active
Packaging:	Tube

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DC DC Converters

DC-DC converters are useful devices for converting one type of DC energy into another type of DC energy. These devices are commonly used to convert high voltage DC power sources into low voltage DC power sources, such as to transform a high voltage battery system into a low voltage system, or to supply a low voltage system with a high voltage power source. The MDD02M-15 is an example of a DC-DC converter. This article will discuss the application field and working principle of the MDD02M-15.

Applications

The MDD02M-15 is a high power, three phase, half-bridge PWM DC-DC converter which can be used in a variety of applications, both industrial and consumer. These include electric vehicles, solar applications, and battery storage systems. The converter can also be used as a motor drive or as a means for controlling motor speed. Its high power capability makes it suitable for driving a wide range of loads. Furthermore, its high efficiency makes it an ideal choice for powering applications where energy demands are high.

Features

The MDD02M-15 features a wide operating frequency range (20 kHz to 50kHz) and an adjustable current and voltage output range. It is capable of delivering up to 1000 watts of continuous output power and 2000 watts of peak power. Additionally, it has a high switching frequency of 300 kHz and excellent EMI performance. Other features include over-temperature protection, overvoltage protection, and undervoltage lockout. Finally, its built-in active PFC circuit and soft switching analog current control circuit make it very efficient and reliable.

Working Principle

The basic working principle of the MDD02M-15 is a three phase half-bridge PWM control circuit. Input DC voltage is first stepped-down and converted to an appropriate voltage for the primary winding of a transformer. The stepping-down of the voltage is achieved using a control bridge. The PWM controller then generates PWM pulses that switch a set of high power transistors, allowing the desired amount of current to reach the primary winding of the transformer. The triggered pulses switch at a predetermined frequency in order to produce a controlled peak current at the primary winding of the transformer. As a result, high frequency AC appears at the secondary winding of the transformer, which is then rectified and filtered to obtain the required DC output. There is also an active PFC circuit which controls the input current from the power source, providing efficient and reliable operation.

Conclusion

The MDD02M-15 is a high power, three-phase, half-bridge PWM DC-DC converter which can be used in a variety of applications. Its features include a wide operating frequency range, adjustable current and voltage output range, high switching frequency, and excellent EMI performance. Its working principle is based on a three phase half-bridge PWM control circuit, which converts high voltage DC inputs into low voltage DC outputs, and is controlled by an active PFC circuit. The MDD02M-15 is thus a versatile and reliable device that is well suited for a variety of applications.

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