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COSEL Power Supply, Noise Filter 2025 Product Catalog
DC-DC Converters Bus Converter . Power Module TypeInstruction Manual+VOUT(a) Rated output voltage : 3.3 - 15VControl Amp.of ratedvoltage+RA5.11kWRC5.11kW1.225V+STRM-SR2R1VR15kW5.11RD= -10.22 [kW]Δ(b) Rated output voltage : 24 - 48V1RD= -2 [kW]ΔΔ= VOR-VODVOR(a) Rated output voltage 3.3 - 15V-VOUTVOR : Rated output voltage [V]VOD : Output voltage needed to set up [V]+VOUT+S+VOUT+SControl Amp.of ratedvoltage+RA2kWRC1kWRB2kW2.5VTRM(b) Rated output voltage 24 - 48VR2-S-VOUTFig.3.4 Output voltage control circuitR1VR15kWTable 3.2 Recommended value of external potentiometer & resistorOutput adjustable rangeNo.VOUTVOUT±5% VOUT±10%R1 R2 VR1 R1 R2 VR113.3V2.2kW68kW2.2kW33kW25V4.7kW68kW5.6kW33kW3 10V 15kW 68kW 15kW 33kW412V18kW68kW18kW33kW515V22kW68kW5kW22kW33kW6 24V 33kW 11kW 33kW 6.2kW7 28V 39kW 11kW 39kW 6.2kW8 32V 51kW 11kW 51kW 6.2kW9 48V 75kW 11kW 75kW 6.2kW5kWTRMRD-S-VOUTFig.3.5 Connection to decrease output voltage(3) To increase output voltage!By connecting the external resistor (RU), output voltage becomesadjustable to increase.The external resistor (RU) is calculated by the following equation.(a) Rated output voltage : 3.3 - 15V5.11XVORX(1+Δ) 5.11RU= - - 10.22 [kW]1.225XΔΔ(b) Rated output voltage : 24 - 48VVORX(1+Δ) 1+2XΔRU= - [kW]1.225XΔΔΔ= VOU-VORVORVOR : Rated output voltage [V]VOU : Output voltage needed to set up [V](2) To decrease output voltage!By connecting the external resistor (RD), output voltage becomesadjustable to decrease.The external resistor (RD) is calculated by the following equation.+VOUT+STRMRU-S-VOUTFig.3.6 Connection to increase output voltageCHS-42
