ROM-1205S Power Supplies - Board Mount

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DC DC Converters play an important role in supplying power for many kinds of appliances. ROM-1205S is a type of DC DC converters which is widely used in automotive applications due to its unique features and benefits. The ROM-1205S can efficiently convert 12V and 5V DC voltages into a continuous output of 400mA. Its application field and working principle can be introduced as follows.

Application Field of the ROM-1205S DC DC Converter
The ROM-1205S DC DC converter has a wide range of applications in automotive and industrial fields, as it delivers a wide input voltage range (6.5V ~ 40V) and high output current (400mA). Moreover, its superior power conversion efficiency (up to 90%) makes it ideal for many power-sensitive applications such as automotive battery-powered appliances, such as power windows, automotive air conditioners, electric car circulation systems, electric fans, and car alarm systems. All these systems rely on the ROM-1205S DC DC converter for stable and efficient power supply.

Working Principle of the ROM-1205S DC DC Converter
The ROM-1205S DC DC converter is a four-quadrant pulse-width modulation (PWM) DC DC converter. It can convert a wide DC voltage between 6.5V and 40V into a continuous output voltage of 5V and 400mA. Its integrated circuitry regulates the input voltage to the output voltage through pulse-width modulation, i.e., by switching the input voltage off and on at the desired frequency. This technique is chosen over other methods due to its efficiency and simplicity. The ROM-1205S DC DC converter is designed with current-mode control, which offers higher efficiency as well as inherent protection from short-circuit condition and overvoltage condition.

The control circuitry of the ROM-1205S DC DC converter regulates the input voltage to the output voltage through two channels of current sensing, one for the input voltage and another for the output voltage. This technique helps to regulate the current delivery from the input voltage source, thus providing the output voltage with the optimal power. Moreover, the ROM-1205S DC DC converter features additional protection circuitry, including an over-current protection circuit, an over-voltage protection (OVP) circuit, and a short-circuit protection circuit, to ensure the safety operation of the system.

Overall, the ROM-1205S DC DC converter is a powerful solution for 12V and 5V power applications. It is designed with current-mode control and features additional protection circuits to ensure the safety operation of the system. Its wide input voltage range and high output current deliver reliable power to many power-sensitive automotive applications.

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