ISW1205A Power Supplies - Board Mount

Voltage - Output 3:	--
Size / Dimension:	0.60" L x 0.44" W x 0.26" H (15.2mm x 11.2mm x 6.5mm)
Package / Case:	10-SMD Module, 6 Leads
Mounting Type:	Surface Mount
Efficiency:	73%
Operating Temperature:	-40°C ~ 85°C
Features:	SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	1.5kV
Power (Watts):	1W
Current - Output (Max):	200mA
Series:	ISW
Voltage - Output 2:	--
Voltage - Output 1:	5V
Voltage - Input (Max):	12.6V
Voltage - Input (Min):	11.4V
Number of Outputs:	1
Type:	Isolated Module
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tube

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DC DC Converters

DC-DC converters are electrical power converters that are used to change the voltage of a DC power source to another DC voltage. The ISW1205A is a synchronous rectification DC-DC converter that is suitable for use in a variety of applications, including automotive systems, medical equipment, consumer electronics, and communications systems. This article will discuss the application field and working principle of the ISW1205A.

Application Field

The ISW1205A is a 1.5A, wide input voltage range synchronous rectification DC-DC converter that is designed to convert 12V to 5V output voltage. The high efficiency of the device makes it suitable for a variety of applications, such as automotive, medical, consumer electronics, and communications systems.The ISW1205A can provide a wide input voltage range of 6V to 36V and is designed to withstand reverse input voltage without damage, making it suitable for use in automotive systems. The device has a low quiescent current which makes it suitable for use in medical equipment and consumer electronics that require low-power operation. The device also has a wide temperature range, which makes it suitable for use in a variety of harsh environments.

Working Principle

The ISW1205A uses a synchronous rectification technique, which means that the switching of the output device between the source and the load is synchronized with the switching of the input device. This ensures that the output voltage is maintained at the desired level in the presence of varying input conditions.The ISW1205A uses a switching frequency of 250kHz, which is relatively low compared to many other DC-DC converters. This switching frequency allows for higher efficiency, which is important for many of the applications that the ISW1205A is designed for. The device also features a soft-start function, which helps to regulate the output voltage during startup.The ISW1205A has protection features which include over voltage protection, under voltage protection, over temperature protection, short-circuit protection, and over current protection. These protection features ensure that the device is able to protect itself from potential hazards.

Conclusion

The ISW1205A is a synchronous rectification DC-DC converter suitable for a variety of applications, such as automotive systems, medical equipment, consumer electronics, and communications systems. The device is designed with a wide input voltage range of 6V to 36V, a low quiescent current, and wide temperature range, making it suitable for use in a variety of environments. The device also has a low switching frequency of 250kHz, which improves efficiency, and the built-in protection features ensure that the device is able to protect itself from potential hazards.

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