The DC-DC converters offer a wide 2:1 input voltage range with nominal inputs of 5V, 12V, and 24V and two, three, or four output channels of 24V are provided with high isolation between outputs. Exhibiting versatility, outputs can also be connected in parallel or series. Providing reliable operation in the fastest of switching systems, the devices are suitable for DC link voltages up to 3kVDC and feature a characterised dv/dt immunity of 80kV/microsecond and a characterised partial discharge performance that provides long service life.
The design of the DC-DC converters includes many inherent features and aspects that enhance performance, reliability, and repeatability. These include a planar transformer, short circuit and overload protection for robust operation under system fault conditions, and a very low coupling capacitance of typically 15pF that reduces system EMI problems. A frequency synchronization pin simplifies EMC filter design and an enable pin provides for power saving.
A pending application for UL60950 recognition for reinforced insulation will reduce the overall cost of system approval. Similarly, approvals for ANSI/AAMI ES60601-1, 2 x MOOP, and 2 x MOPP at different system voltage levels are pending and when attained will simplify system approval for medical applications.
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