CMR0515S3C

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The CMR0515S3C is a DC to DC Converter, operating with a wide range of inputs and able to generate a wide range of outputs. It is a highly efficient converter, with rated input voltage range of 4.5-14V, output voltage range of 1.25-4.5V and maximum output current of 500mA. This highly efficient converter is often applied in low-power computing and portable applications as it can provide a stable and reliable power supply.

Application Fields

The CMR0515S3C DC to DC Converter offers a variety of applications. It is frequently used for data and power line regulation in central office applications and for high-power conditioning applications. Its wide output voltage range and high efficiency make it suitable for automotive and mobile applications, such as in notebook and tablet computers, electronic gaming, cellphones, and so on.

The CMR0515S3C is also widely used in industrial applications, such as voltage regulation for motor drive systems and in high peak power applications, such as switching power regulators of user equipment, motor drive systems, renewable energy systems, as well as electronics for the AV industry. Additionally, this DC to DC Converter is suitable for use in consumer electronics, such as TVs, DVD Players, and digital cameras.

Working Principle

The CMR0515S3C DC to DC Converter utilizes a step-down switching regulator known as a buck regulator. This type of converter works by switching an inductor’s current on and off at a full-wave electric bridge in order to reduce the input voltage to an output voltage. The inductor, as well as bypass capacitors, are used to establish an LC filter to reduce the ripple voltage seen on the output of the converter.

The output voltage of the CMR0515S3C is decided by the input voltage, the duty cycle of the pulse-width modulation (PWM) drive signal, and the frequency of the switching. The input voltage is monitored by an internal voltage feedback system and an external resistive voltage divider. The duty cycle is controlled by the internal PWM generator, which can be adjusted with an external pin, and the frequency is dependent on the control signal.

The CMR0515S3C DC to DC Converter also contains thermal protection, over voltage protection, and current limit functions. It offers high efficiency, excellent thermal performance, and low EMI. This DC to DC Converter also utilizes built-in soft-start and under-voltage lockout circuits.

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