PDS1-S3-S5-M

Current - Output (Max):	200mA, 200mA
Control Features:	--
Supplier Device Package:	--
Size / Dimension:	0.50" L x 0.33" W x 0.29" H (12.7mm x 8.3mm x 7.3mm)
Package / Case:	8-SMD Module, 5 Leads, Gull Wing
Mounting Type:	Surface Mount
Efficiency:	74%
Operating Temperature:	-40°C ~ 105°C
Applications:	ITE (Commercial)
Voltage - Isolation:	1.5kV
Power (Watts):	1W
Series:	PDS1-M
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	5V
Voltage - Input (Max):	3.63V
Voltage - Input (Min):	2.97V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active

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DC DC Converters

DC-DC converters are electronic power converter modules that convert DC power from one level to another. These converters play an important role in the efficient transmission of power from one source to another, enabling the distribution of electrical power from a centralized source throughout a system.The most common use of a DC-DC converter technology is to increase or decrease the voltage from one level to another, for instance, from 1V to 3V, from 3V to 5V, from 5V to 12V, and from 12V to 24V. The output voltage of the converter can also be adjusted to suit the specific requirements of the device or application. DC-DC converters are frequently used to power devices such as computers, mobile phones, tablets, and today’s USB devices.In order to achieve the desired voltage level, various technologies can be employed in a DC-DC converter. One of the most commonly used techniques is known as Pulse Density Modulation (PDM). This technique works by varying the duty cycle of a modulating waveform to achieve the desired output voltage. With PDM, a higher voltage can be generated by keeping the pulse width high while keeping the period of the modulating waveform short. Similarly, a lower voltage can be generated by keeping the pulse width low while keeping the period of the modulating waveform long. This modulation technique is widely used for applications where variable voltage is needed, such as test equipment, bench supplies, and power conversion.Step-up (S3) and step-down (S5) converters are two popular voltage transferring techniques used in DC-DC converters. Step-up converters increase the DC input voltage to a higher DC voltage, while step-down converters reduce the DC input voltage to a lower DC voltage. These techniques are used for applications where voltage is required to be increased or decreased, respectively. The specific converter used is determined by the type of input and output power needed.Synchronous Buck (SB) is a popular form of switching-mode power supply (SMPS). It works by responsively adjusting the output voltage to the input voltage and provides excellent voltage regulation and efficiency. This type of SMPS uses a pair of transistors in parallel and not only turns on the one with higher voltage, but also turns off the one with lower voltage to avoid short-circuiting. This makes the SB converter particularly efficient and effective for power electronic applications.The Modular (M) architecture is one of the emerging DC-DC converter technology. This technology offers advantages over conventional DC-DC conversion by using multiple power modules in a distributed and parallel manner. The modular architecture reduces and distributes the current stress across each of the modules, eliminating thermal, voltage and current stress which helps in achieving highefficiencies. Additionally, the ability to parallel modules offers extra power reserve and increases power availability, allowing the modular architecture to be employed in a wide range of applications.In summary, DC-DC converters are essential components in today’s electrical distribution systems. Various technologies can be employed to effectively transform the input voltage to the desired output voltage. These technologies include Pulse Density Modulation, Synchronous Buck, Step Up (S3) and Step Down (S5) converters, and Modular (M) architecture. All of these technologies offer different advantages which make them ideal for a variety of applications.

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