V375B5M150BF3

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DC DC converters are high efficiency, low cost solutions for power conversion and conditioning applications that require high power solutions in small form factors. The V375B5M150BF3 from Vicor Corporation is a high efficiency, high power density DC-DC converter specifically designed for applications requiring high power density electrical regulation.

The V375B5M150BF3 is capable of delivering up to 370 watts power in a half-brick form factor. It has an input voltage range of 36-75V and is capable of producing up to 15 amps of regulated output current. It can be configured with various output voltage options ranging from 1.6V to 12V, enabling it to be used for a wide variety of power-conversion and power-distribution applications. It has a high efficiency rating of up to 95.2%, allowing it to deliver power with minimal power losses.

The V375B5M150BF3 is designed to be used in applications that require high power density electrical regulation. It is suitable for use in distributed power architectures, industrial automation, machine control, avionics, communications, defense, medical, and energy-harvesting applications. Its high power density, wide input voltage range, and improved efficiency make it an ideal choice for these applications.

The V375B5M150BF3 utilizes Vicor’s patented VI-200 Power Component technology to increase power density and efficiency while eliminating the need for large heatsinks or external components. It has an operating temperature range of -40°C to 85°C and meets the MIL-STD-704F power supply specifications. It is also quite compact, measuring only 1.3” x 0.5” x 0.85”, and is fully RoHS compliant.

The V375B5M150BF3 is designed with a zero-current-detection based internal switch-mode power-supply topology which includes an active clamp reset circuit, a duty cycle modulator, an override voltage comparator, and an internal current limit feature. The active clamp reset circuit is a power-leveling circuit which adjusts the input voltage to a constant level with high efficiency.

The duty cycle modulator monitors the output voltage and regulates the output current with its integrated duty cycle. It increases the output voltage via pulse-width modulation (PWM) by regulating the duty cycle of the switch-mode power supply, thereby enabling the V375B5M150BF3 to produce more power than the actual input voltage. The override voltage comparator helps to protect the converter from high voltage transients, and the current limit circuit ensures that power is not lost in the form of heat.

The V375B5M150BF3 provides a number of features and benefits that make it an ideal choice for applications requiring high power density electrical regulation. Its high power density, wide input voltage range, high efficiency, and small form factor make it a great choice for distributed power architectures, industrial automation, machine control, avionics, communications, defense, medical, and energy-harvesting applications.

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