SPA01A-12

Current - Output (Max):	83mA
Supplier Device Package:	--
Size / Dimension:	0.69" L x 0.31" W x 0.44" H (17.4mm x 7.8mm x 11.1mm)
Package / Case:	6-SIP Module, 4 Leads
Mounting Type:	Through Hole
Efficiency:	78%
Operating Temperature:	-40°C ~ 90°C (With Derating)
Features:	OCP, SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	1500V
Power (Watts):	1W
Series:	SPA01
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	12V
Voltage - Input (Max):	18V
Voltage - Input (Min):	9V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	--

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DC DC Converters

DC-DC converters are electrical components used for converting direct current (DC) electrical power from one voltage to another, usually for powering an array of circuitry and electrical components, such as computers, phones, and other electronic equipment. The SPA01A-12 is a type of DC-DC converter that is designed to convert 12V DC into an adjustable voltage ranging between 0.8 and 5.5V. Its applications are mainly in the fields of industrial electronics, automotive electronics, and telecommunications.

Design and Overvoltage

The SPA01A-12 has a robust, compact design that can withstand environmental shocks and vibrations. It also has an adjustable overvoltage protection (OVP) feature, which limits the output voltage on the secondary side to protect against operational overloads. It also has short-circuit protection and over-temperature protection to ensure safe and reliable operation.

Operating Principles

The SPA01A-12 operates on the principle of a switched-mode converter, where the primary and secondary windings of an inductor are connected in series on the output side by a transistor switch. When the switch is open, the input voltage is rectified into DC, and then the inductor stores the energy. When the switch closes, the stored energy is used to convert the DC voltage into the required output voltage. The frequency of the switching is adjustable from 200KHz to up to 1MHz.

Features and Advantages

The SPA01A-12 provides low ripple, high efficiency, and low quiescent current consumption, making it ideal for applications with stringent noise and power requirements. Its wide input voltage range from 9V to 18V makes it applicable for a range of automotive and industrial applications. It also has wide output voltage range that is adjustable from 0.8 to 5.5V, making it suitable for a range of different applications.The SPA01A-12 has multiple advantages compared to linear regulators or other switching regulators. It is far more efficient than linear regulators, as switched-mode converters only dissipate power when the load demand on the output changes. Additionally, the input to output isolation properties of switched-mode converters makes them ideal for applications with complex power requirements. The SPA01A-12 also includes features such as adjustable frequency, current limit, and temperature protection for additional safety and reliability.

Applications

The SPA01A-12 is ideal for applications requiring high efficiency, wide input/output voltage range, and isolation between the input and output. Applications include industrial controllers, motor control, remote power supplies, instrumentation, remote monitoring systems, medical equipment, and communications systems. In addition, its overvoltage protection (OVP) and over-temperature protection features make it suitable for automotive applications such as automotive lighting, automotive computers, on-board chargers, and vehicle power systems. The SPA01A-12 is also suitable for telecommunications applications such as USB power sources, power supplies for cellular phones, and equipment for fiberoptic communication systems.

Conclusion

The SPA01A-12 is an efficient, reliable, and versatile DC-DC converter that can be used for a wide range of applications. It is able to provide adjustable output voltage from 0.8V to 5.5V, and has additional features such as overvoltage protection (OVP) and over-temperature protection for additional safety and reliability. Its robust design and wide input voltage range make it suitable for a range of different industrial and automotive applications.

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