RP12-4815SA

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DC-DC converters are electronic components that regulate the input voltage to provide a constant output voltage. The RP12-4815SA is a DC-DC converter manufactured by Vicor Corporation. It is a part of the PrM family of low-noise, high-efficiency, wide-input voltage, point-of-load (POL) voltage regulators. This converter is a regulated 12Vin, 48Vout, 1.5A device in a Type II package.

The RP12-4815SA is specifically designed for applications that require a 48V output voltage from 12V sources. It features wide input voltage range of 8V to 16V and a wide operation temperature range of -40°C to +125°C. The converter supports a high efficiency of up to 94%, making it an ideal choice for distributed power architectures. The device also has a low-noise output voltage ripple of 5mVrms at full load.

The RP12-4815SA has a high maximum temperature range and a wide input-output voltage range. It is capable of providing a continuous output current of 1.5A with low-noise operation and an efficiency of up to 94%, making it ideal for distributed power architectures. The wide input voltage range ensures that the device can safely and reliably power the load from 8V to 16V input voltage sources.

The RP12-4815SA employs a proprietary voltage-mode control to regulate an output voltage. To achieve the required output voltage, it uses an integrated regulator which regulates a regulated output current fed back to the control circuit. When the output current is greater than the regulated current, the voltage-mode control system will reduce the current to maintain the desired output voltage. On the other hand, if the output current is less than the regulated current, the voltage-mode control system will increase the current to reach the desired output voltage.

In addition, the RP12-4815SA includes a power good output and a soft start mechanism that enables the converter to start up in a more controlled manner. The soft start mechanism limits the maximum output current during initial power up, allowing the load to ramp up gradually. This helps to reduce the inrush current and extend the converter\'s life span. The power good output indicates when the output voltage has stabilized and is ready for use.

In summary, the RP12-4815SA DC-DC converter from Vicor is a reliable, high efficiency, regulated 12Vin, 48Vout, 1.5A device with low-noise operation. It is ideal for distributed power architectures that require a wide input voltage range and wide temperature range. Its proprietary voltage-mode control system and integrated regulator allow the converter to regulate an output voltage with low-noise and high efficiency. It also features a power good output and soft start mechanism to ensure safe and reliable operation.

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