MPD6D103S

Current - Output (Max):	3.5A
Control Features:	Enable, Active Low
Size / Dimension:	1.47" L x 0.88" W x 0.17" H (37.3mm x 22.4mm x 4.2mm)
Package / Case:	18-SMD Module, 15 Leads
Mounting Type:	Surface Mount
Efficiency:	82%
Operating Temperature:	-40°C ~ 85°C
Features:	Remote On/Off, OCP, OVP
Applications:	ITE (Commercial)
Voltage - Isolation:	1.5kV
Power (Watts):	10W
Series:	MPD
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	1.5V
Voltage - Input (Max):	75V
Voltage - Input (Min):	36V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Obsolete
Packaging:	Tray

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DC DC Converters: MPD6D103S application field and working principle

DC to DC converters are devices that convert direct current from one voltage level to another. They include a wide range of products from off-line fixed ratio converters to high power telecom rectifiers. Control architectures, power switches, and protection schemes vary from product to product. The MPD6D103S is one such converter.The MPD6D103S is a non-isolated buck topology DC to DC converter designed specific to power a wide variety of industrial, automotive, consumer, telecom, and other applications. It is designed to provide the lowest cost, maximum efficiency, and most compact solution possible for its applications.The MPD6D103S is configured to provide an output voltage range of 2.6V to 12V and up to 10A output current with a minimum output ripple of 20mV. It has a wide input voltage range of 4.5V to 24V and low inputcurrent of 25mA standby mode, and typical efficiency of 90 percent. The operating temperature range is -20°C to 75°C and the package type is SMD-7.The MPD6D103S converter works on the buck circuit topology, which is one of the most popular topologies and the preferred choice due to its ability to provide higher efficiency. The buck circuit accepts a higher voltage from the input and converts it to a lower voltage at the output with minimal waste of power.The circuit consists of an inductor, a diode, a transistor and a capacitor. The primary components used are the transistor and the inductor which provides energy storage. The diode is used to limit the back flow of current from the output back to the input. The capacitor provides a smoothing effect to the output voltage ripple.The transistor is the main component which is responsible for power conversion in the buck converter. In this converter, the transistor acts as a switch, connected in series with the inductor. The transistor can be controlled either by a direct current control signal, or by a voltage control signal. When the transistor is turned on, it allows current to flow through the inductor accumulating magnetic energy in it. This energy then flows to the output through the diode, where it is smoothed out by the output capacitance. When the transistor is turned off, the current stored in the inductor will not decrease instantaneously, instead it will flow to the output through the diode, ensuring continuous current flow while the transistor is off.The advantages of the MPD6D103S are the low cost, high efficiency, and small size. The device uses industry standard circuits, simplifies the number of components and eliminates noise emitted from the device. It also optimizes power performance which in turn increases efficiency.In conclusion, the MPD6D103S power converter is an ideal choice for applications which require a low cost, high efficiency, and compact form factor for power conversion. With its industry standard circuits and components, it is able to deliver high power performance and low input current or ripple. It can be controlled either by direct current or voltage control, in order to meet any power conversion requirements.

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