R-735.0P

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DC DC converters, such as the R-735.0P, enable power conversion between different output voltages and can be used to supply power to digital circuits, isolation transformers, switched-mode power supplies, and so on. They are used in a variety of industrial applications, from telecommunications, medical, aerospace, energy, to automotive and consumer markets.

The R-735.0P is a buck-boost DC/DC converter designed to provide a regulated output voltage from an unregulated input. Buck-boost DC/DC converters are capable of providing both step-up and step-down voltage regulation. The device provides a wide input voltage range and a fixed output voltage, adjustable from an external resistor divider. The converter requires few external components and has a low noise, wide operating temperature range of -40C to 125C.

The R-735.0P uses a buck-boost configuration, which allows it to be used as either a buck or a boost converter to regulate the output voltage. When the input voltage is higher than the output voltage, the device acts as a buck converter. This is advantageous for situations when the input voltage is slightly higher than the output voltage. Conversely, when the input voltage is lower than the output voltage, the device acts as a boost converter, which helps when generating a high output voltage from a low input voltage.

When using the R-735.0P as a buck converter, the input voltage is stepped down to the desired output voltage by switching a MOSFET. The voltage reduction is determined by the duty cycle of the MOSFET switch, which is in turn determined by the peak current sensing and adjustment from the internal error amplifier circuit.

When using the R-735.0P as a boost converter, the input voltage is stepped up to the desired output voltage by switching an N-channel MOSFET. The output voltage is controlled by the current flowing through the inductor, which is then regulated by the internal error amplifier circuit.

The R-735.0P also features input over-voltage protection and short-circuit protection to reduce the risk of damage to the device. Additionally, the device can operate with an input voltage range of 6.5V to 28V without the need for a heat sink. The R-735.0P also features a low standby current, making it ideal for battery powered applications.

In summary, the R-735.0P is an efficient and versatile DC/DC buck-boost converter for applications requiring a wide input voltage range and a fixed output voltage. The device features a wide operating temperature range, low standby current, and many protective features to ensure safe operation.

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