CMR118C

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DC-DC converters provide an efficient and reliable method for stepping down the input voltage on a AC-DC system. The CMR118C DC-DC converter is a compact, high power density solution that converts a wide range DC input voltage to a programmable DC output voltage. This makes it ideal for applications such as industrial, medical, consumer and communications products.

Description of the CMR118C

The CMR118C is a step-down DC-DC converter with an input voltage range of 8V to 40V and output up to 12V. It can deliver a continuous power of 120W and an efficiency of up to 95%. The CMR118C is designed to be a high efficiency, low EMI solution for a wide range of applications.

The CMR118C features a wide range of features and protections to ensure safety and reliability. The input voltage range and output voltage have overvoltage and undervoltage protection to protect the device from damage from excessive voltage. The power switch includes a reverse current protection and there is an overcurrent protection for the output voltage. The CMR118C also has built-in EMI filters to reduce conducted noise and interference.

Applications of the CMR118C

The wide input voltage range of the CMR118C makes it suitable for a range of applications such as industrial, medical, consumer, and communications products. It is ideal for applications that need a reliable and efficient DC-DC converter with a high power density. The CMR118C is capable of supplying up to 12V the output voltage which makes it suitable for powering circuits, microprocessors and logic circuits. It is also well suited for applications requiring a high level of safety and reliability such as medical applications.

Working Principle of the CMR118C

The CMR118C is a buck converter, which means that it steps down DC input voltage to the desired voltage level. The converter works by switching the power MOSFET on and off at a high frequency. When the power MOSFET is on, current will flow from the input, through the inductor, creating a magnetic field. When the power MOSFET is switched off, the stored magnetic energy is released, allowing the current to flow to the output. The duty cycle of the power MOSFET is adjusted to maintain the output voltage and the output voltage can be programmed using the onboard PWM control circuit.

The CMR118C also includes various safety protections and EMI filters to ensure its safe and reliable operation. The input voltage range and output voltage have overvoltage and undervoltage protection to protect the device from damage from excessive voltage and the power switch has a reverse current protection. The CMR118C also has an overcurrent protection for the output voltage and built-in EMI filters to reduce conducted noise and interference.

Conclusion

In conclusion, the CMR118C is a high power density, efficient DC-DC converter suitable for a wide range of applications. It is capable of providing up to 12V output voltage and has various safety and protection features. The wide range of input voltage and efficient conversion make the CMR118C an ideal choice for industrial, medical, consumer, and communications applications.

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