PT6721A

Voltage - Output 3:	--
Base Part Number:	PT6721
Size / Dimension:	--
Package / Case:	23-SIP Module
Mounting Type:	Through Hole, Right Angle
Efficiency:	90%
Operating Temperature:	-40°C ~ 85°C
Features:	--
Applications:	ITE (Commercial)
Current - Output (Max):	14A
Series:	Excalibur™ PT6721
Voltage - Output 2:	--
Voltage - Output 1:	1.3 ~ 3.5 V
Voltage - Input (Max):	13.2V
Voltage - Input (Min):	10.8V
Number of Outputs:	1
Type:	Non-Isolated PoL Module
Part Status:	Obsolete
Packaging:	Tray

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DC DC Converters – PT6721A application field and working principle

DC/DC converters are electrical components used to convert energy from one voltage to another, usually from a higher voltage to a lower voltage. The PT6721A is a DC/DC converter manufactured by PLX. It is a non-isolated step-down converter specifically designed for space applications. It has a wide input range and can deliver a high output power. In this article, we will discuss the PT6721A’s application field and working principle.

Application Field of the PT6721A

The most common application of the PT6721A is in satellite (space) power systems. It is designed to withstand extreme temperatures ranging from -55℃ to +125℃. It is also designed for radiation resistance and can withstand up to 50kRad of gamma radiation. This makes it suitable for space applications and very attractive to companies in the satellite industry. The PT6721A can be used for applications in aerospace, telecommunications and marine, as well as military and medical applications. It is also a good solution for powering portable electronics on Earth. Its small size and high efficiency make it a good choice for a variety of applications.

Working Principle of the PT6721A

The PT6721A works using a non-isolated topology. The non-isolated topology is a step-down topology which means that it converts a higher input voltage to a lower output voltage. The points to remember about a non-isolated topology:• The input and output are connected. • The input voltage must be higher than the output voltage for the converter to work.• The converter uses a series inductor and an output capacitor to create a smooth output waveform from a pulsed input waveform.The PT6721A uses a synchronous design which means that the switch is driven directly by the input voltage. This improves the converter’s efficiency and reduces power losses. The PT6721A also uses adaptive on-time control which adjusts the switching frequency to maintain a very steady output voltage. This improves the converter’s stability and reliability.

Conclusion

In conclusion, the PT6721A is a high-power non-isolated DC/DC converter manufactured by PLX. It is designed for extreme temperatures, radiation resistance, and high power demand applications. The PT6721A uses a non-isolated topology and a synchronous design with adaptive on-time control in order to deliver a stable and reliable output voltage. It is suitable for a variety of applications, including in space systems, aerospace, telecommunications, and marine.

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