Overview
The datasheet presents a concise overview of VICOR’s Micro Family 300V Input DC-DC Converter Module. The module stands out due to its compact form factor, measuring 2.28 x 1.45 x 0.5in [57.9 x 36.8 x 12.7mm], and is accompanied by a range of features tailored for its integration into various high-demand applications.
Key Features & Benefits
With a DC input range of 180 to 375V, the module is designed to handle surges of up to 400V for 100ms and produce a DC output ranging from 3.3V to 48V which is programmable from 10 to 110% of the nominal output voltage. Importantly, the module maintains regulation within +0.5% from no load to full load and achieves an efficiency of up to 90%. The high power density of the module reaches up to 90W per cubic inch.
This family of converters employs Zero-Current Switching/Zero-Voltage Switching (ZCS/ZVS) technology to offer a low-noise solution with high efficiency. They also provide isolation with voltage ratings of 3000Vrms input to output, 1500Vrms input to base, and 500Vrms output to base.
Applications
Suitable applications for the Micro Family 300V Input converters include but are not limited to:
– Off-line systems with auto-ranging or PFC front ends
– Industrial and process control setups
– Distributed power architectures
– Medical
– Automated Test Equipment (ATE)
– Communications systems
– Defense and aerospace sectors
Electrical Characteristics
Electrical characteristics provided in the datasheet elaborate on the operating conditions of the module including input voltage, which operates typically at 300Vdc within a range of 180V to 375V. Other important electrical parameters include:
– Input surge withstand time less than 100ms at 400V
– Undervoltage turn-on at 174.6V
– Turn-off at 147.4V
– Overvoltage turn-off ranging between 378.7V and 393.8V
– A disabled input current of 1.2mA when the control pin is low.
The output specifications comprise an output voltage setpoint with line and temperature regulation, alongside power sharing accuracy that maintains output stability across a range of operating conditions. Power programming is available from 10 to 110% of nominal output voltage, ensuring versatility across applications.
Thermal Specifications
Thermal management parameters include a detailed thermal resistance and capacity information to aid in appropriate system design and integration. The baseplate has different specified thermal resistances based on its installation surface—either a flat greased surface or with a thermal pad.
This datasheet caters to a professional audience seeking technical information and specifications for power modules, where its keywords include high efficiency, high power density, DC-DC converter, and low-noise architecture for optimization in search engines.
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