Delta-electronics 33W Family User Manual

DATASHEET DS_S48SA1R812_06012006 Delta Electronics, Inc. Delphi Series S48SA, 33W Family DC/DC Power Modules: 48V in, 1.8V/12A out The Delphi Serie

DS_S48SA1R812_06012006 10PICK AND PLACE LOCATION SURFACE-MOUNT TAPE & REEL RECOMMENDED PAD LAYOUT (SMD)

DS_S48SA1R812_06012006 Temp.Time150℃200℃100~140 sec.Time Limited 90 sec.above 217℃217℃Preheat timeRamp upmax. 3℃/sec.Ramp downmax. 4℃/sec.Peak Temp.

DS_S48SA1R812_06012006 MECHANICAL DRAWING SMD Through-Hole Pin No. Name Func

DS_S48SA1R812_06012006 14 PART NUMBERING SYSTEM S 48 S A 1R8 12 N R F A* Form Factor Input Voltage Number of Outputs Product Series Output Vol

DS_S48SA1R812_06012006 TECHNICAL SPECIFICATIONS (TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted.) PARAMETER NOTES and

DS_S48SA1R812_06012006 ELECTRICAL CHARACTERISTICS CURVES 556065707580859095123456789101112OUTPU T C U R R EN T (A)EFFICIENCY (%)36Vin48Vin75Vin 0.0

DS_S48SA1R812_06012006 4 ELECTRICAL CHARACTERISTICS CURVES Figure5: Turn-on transient at zero load current (1 ms/div). Top Trace: Vout (500mV/div

DS_S48SA1R812_06012006 ELECTRICAL CHARACTERISTICS CURVES StripCopper Vo(-)Vo(+)10u1uSCOPE RESISTIVELOAD Figure 9: Input Reflected Ripple Curren

DS_S48SA1R812_06012006 This power module is not internally fused. To achieve optimum safety and system protection, an input line fuse is highly reco

DS_S48SA1R812_06012006 Vo(+)Vi(+)Vo(-)Sense(-)Sense(+)Vi(-)ON/OFF Figure 13: Remote on/off implementation Remote Sense (Optional) Remote sense comp

DS_S48SA1R812_06012006 []ΚΩ−∆=− 104%Voup−∆+1089%)100(8.23 Vo Ex. When trim-up +10% (1.8V X 1.1 = 1.98V) Rtrim []ΚΩ=−=− 9.4810410up−+1089)10100(8.23 ar

DS_S48SA1R812_06012006 9 THERMAL CONSIDERATIONS Thermal management is an important part of the system design. To ensure proper, reliable operation, s