MPDTY411S

Voltage - Output 3:	--
Size / Dimension:	0.80" L x 0.45" W x 0.24" H (20.3mm x 11.4mm x 6.2mm)
Package / Case:	10-SMD Module
Mounting Type:	Surface Mount
Efficiency:	94%
Operating Temperature:	-40°C ~ 85°C
Features:	--
Applications:	ITE (Commercial)
Power (Watts):	25W
Current - Output (Max):	7A
Series:	MPD
Voltage - Output 2:	--
Voltage - Output 1:	0.8 ~ 3.63 V
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	4.5V
Number of Outputs:	1
Type:	Non-Isolated PoL Module
Part Status:	Obsolete
Packaging:	Bulk

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DC DC Converters: MPDTY411S Application Field and Working Principle

DC-DC converters are used to convert a DC voltage level to another and are an essential part of modern electronics. The MPDTY411S is a dual input intermediate power converter that provides high voltage isolation between its inputs and output. It is designed for a variety of input and output voltage requirements, as well as a wide range of current ranges. The MPDTY411S is suitable for pre-regulatory purposes, such as supplying an output voltage from a combination of two independent DC sources.

Applications of the MPDTY411S

The MPDTY411S is suitable for applications including intermediate bus power conversion, interleaved bus current sharing, voltage transformation, and DC/DC buck-boost converters. The MPDTY411S is also suitable for controlling switched-mode DC-DC power supplies, such as for powering industrial and home appliances, automotive systems, and computers. As well as allowing for automatic correction of voltage deviations due to temperature effects, the MPDTY411S is suitable for medical and industrial supply boards.

Function of MPDTY411S

Using an efficient full-bridge synchronous rectifier configuration, the MPDTY411S non-isolated DC/DC converter offers high path efficiency in applications requiring up to 9A of output current. The converter combines two high-efficiency MOSFET switches with the dielectrically isolated drive signals to the DRAINs of the converter. The synchronized MPDTY411S utilizes a four switch circuit design to achieve the highest efficiency and lowest ripple current, while reducing power losses by using four switching transistors to control power conversion from the input voltage to the output voltage levels.The power conversion is performed only when the input voltage is more than the output voltage, allowing for a smooth transition when passing the input voltage over the output voltage. This helps to minimize the amount of current excursions and keep the output power to the required amount. The MPDTY411S also offers an adjustable soft start feature for obtaining an output voltage at the required rate. This feature allows the user to maintain the desired output voltage for a specified time until the converter settles to its stable output voltage.

Safety and Reliability of MPDTY411S

The MPDTY411S has various protection features that ensure the safety and reliability of the device during operation. It has an undervoltage lockout, overvoltage protection, overcurrent protection, thermal protection, and short-circuit protection. The overvoltage protection ensures that the output voltage does not exceed the given threshold. The overcurrent protection prevents instabilities and high dissipated power levels due to an overload. The thermal protection prevents any critical temperature changes from occurring. The short-circuit protection cuts off the output power to the device when there is an excessive overload, protecting the device from any further damage.The MPDTY411S is designed to meet various safety certification standards such as the IEC 60950-1 and IEC 60529. The widely available cCSAus, UL, CE, and EN standards are also supported.

Conclusion

The MPDTY411S is a reliable and energy-efficient intermediate power converter designed for use in a variety of applications. It offers high voltage isolation between its inputs and output, allowing for automatic correction of voltage deviations due to temperature effects. The device offers various safety features such as undervoltage lockout, overvoltage protection, overcurrent protection, thermal protection, and short-circuit protection. The device is designed to meet various safety certification standards to ensure safe operation.The MPDTY411S is designed to offer a reliable and efficient output voltage within a wide range of current ratings, making it suitable for a variety of applications. It is suitable for intermediate bus power conversion, interleaved bus current sharing, voltage transformation, and DC/DC buck-boost converters. It is also suitable for controlling switched-mode DC-DC power supplies, such as for powering industrial and home appliances, automotive systems, and computers.

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