VKQ100MS1V8

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Description

The VKQ100MS1V8 DC/DC converter presents an economical and practical solution for distributed power system architectures which require high power density and efficiency while maintaining system modularity and upgradeability. Internal power dissipation is minimized by the VKQ100MS1V8's high efficiency and is aided by a metal baseplate to which all heat dissipative elements are coupled. The control circuitry of the VKQ100MS1V8 has been designed to provide overvoltage protection as well as current limiting for continuous short- circuit protection. And with the ability to operate over a wide input voltage range of 36 to 75 Vdc, this module is ideal for telecommunications and battery backup applications where input flexibility must be combined with output voltage regulation. In addition, the output is fully isolated from the input, allowing for a variety of polarity and grounding configurations. Innovative circuit design using surface mount components results in a compact, efficient and reliable solution to DC/DC conversion needs.

The features of VKQ100MS1V8 can be summarized as (1)36 -75V input range; (2)small size: 1.5" x 2.3" x .50"; (3)high efficiency: >85%; (4)fixed frequency operation 400kHz; (5)primary remote on/off; (6)adjustable output voltage; (7)brick wall current limiting; (8)on board input differential filter; (9)synchronous rectification; (10)no minimum load requirement; (11)no minimum load requirement; (12)remote sense; (13)no heatsink required; (14)no external components required; (15)safety per UL/CUL 60950, EN 60950, operational insulation meets TNV-SELV isolation requirements.

The absolute maximum ratings of VKQ100MS1V8 are (1)output short-circuit duration: continuous; (2)internal power dissipation: 12.7 Watts; (3)lead temperature (soldering, 10 seconds max): +300°C; (4)continuous input voltage: 75 VDC; (5)storage temperature: +125°C; (6)input to output isolation: 1500 VDC; (7)input voltage (non-operating): 100 VDC.