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COSEL Power Supply, Noise Filter 2025 Product Catalog
DC-DC Converters PCB Mount TypeInstruction Manual7.6 SUT6!In the case of forced air cooling (1m/s), please have sufficientventilation to keep the temperature of point A in Fig.7.10 at 95Cor below.Please also make sure that the ambient temperature does not exceed85C.Point A8 Peak Current(Pulse Load)!If a load connected to a converter is a pulse load, you can providea pulse current by connecting an electrolytic capacitor externallyto the output side.+Vin+VoutCOMCIopPulse LoadVo-Vin-VoutExternal ElectrolyticCapacitorFig.7.10 Temperature Measuring Point in the case of Forced Air CoolingIop7.7 SUT10!In the case of forced air cooling (1m/s), please have sufficientventilation to keep the temperature of point A in Fig.7.11 at 95C orbelow.Please also make sure that the ambient temperature does not exceed85C.Point AWaveform of PulseLoad Current0Waveform ofOutput Voltage0tTIsIop:Current at PeakIs :Steady-state CurrentDVoDVo:Fluctuation ofOutput VoltageFig.7.11 Temperature Measuring Point in the case of Forced Air Cooling!The average output current lav is expressed in the following formula.(Iop - Is)Xtlav = ls+T!Required electrolytic capacitor C can be obtained from the followingformula.(Iop - Iav)XtC =DVoSU . SUC/SUT-58
