ISF1205A

Current - Output (Max):	200mA
Supplier Device Package:	--
Size / Dimension:	0.50" L x 0.30" W x 0.24" H (12.7mm x 7.5mm x 6.0mm)
Package / Case:	8-SMD Module, Gull Wing
Mounting Type:	Surface Mount
Efficiency:	69%
Operating Temperature:	-40°C ~ 85°C
Features:	--
Applications:	ITE (Commercial)
Voltage - Isolation:	1kV
Power (Watts):	1W
Series:	ISF
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	5V
Voltage - Input (Max):	13.2V
Voltage - Input (Min):	10.8V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active

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DC-DC Converters

DC-DC converters are electrical circuits which convert a source of direct current (DC) power from one voltage level to another. Converters are used to convert one voltage level to another and control the voltage and frequency in electrical systems.The ISF1205A is one type of DC-DC converter that is commonly used in today\'s technology. It is a high quality, low cost DC-DC step-up (boost) converter module designed with the USB Type-C port for providing computer and device charging solutions. It can support up to 12W output power and has wide input voltage range of 4.5V to 20V.

Application Field of ISF1205A

The ISF1205A DC-DC converter is mainly used for laptop and device charging solutions. It is an ideal choice for applications such as charging USB Type-C powered laptops, tablets, smartphones, and other devices. It is small and light weight, easy to install and also energy efficient. It has a wide input voltage range and variable output voltage, allowing it to meet the specific needs of any project.Another application field of the ISF1205A converter is LED lighting solutions. This type of DC-DC converter works by converting a DC input power from 4.5V to 20V and providing a constant voltage to power high-brightness LEDs. This is important for maintaining the longevity of LEDs and their brightness for optimal performance over time. This type of converter has also found applications in solar streetlight systems, portable solar energy devices, and other power sources.

Working Principle of ISF1205A

The ISF1205A DC-DC converter is a high efficiency, low cost step-up (boost) DC-DC converter. It works by taking an input DC voltage from 4.5V to 20V and increasing it to the desired output voltage to power devices.The ISF1205A is an efficient converter that can take a small amount of power from the battery or power input and convert it to higher voltage. For example, the converter can take a 4.5V DC input and convert it to 12V DC. The converter consists of several analog and digital components. The main components include an inductor, rectifier diodes, capacitors, voltage regulators, and a control IC.The working process begins with the input voltage being applied to the inductor. As the input voltage increases, the inductor stores energy and builds a magnetic field around it. This energy is then released in the form of an increased output voltage, which is then passed through rectifier diodes and the output voltage is regulated by two voltage regulators. Finally, a control IC is employed to control the output voltage of the converter. This is done by using the pulse width modulation (PWM) technique. As the voltage output of the converter increases, the PWM signal increases, which reduces the amount of current flowing to the output voltage and stabilizes it at the desired level.

Conclusion

The ISF1205A is a high quality, low cost DC-DC step-up (boost) converter designed for providing computer and device charging solutions. It can support up to 12W output power and has a wide input voltage range of 4.5V to 20V. It is also suitable for LED lighting solutions and solar streetlight systems, as well as other power sources. The converter works by taking an input voltage and increasing it to the desired output voltage, using an inductor, rectifier diodes, capacitors, voltage regulators, and a control IC. This makes it an efficient and reliable choice for many projects.

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