Delta-electronics S48SR Manual de usuario

DATASHEET DS_S48SR12001_07052006 Delta Electronics, Inc.1 APPLICATIONS  Telecom/DataCom  Wireless Networks  Optical Network Equipment  Serve

DS_S48SR12001_07052006 10 Note: Wind Tunnel Test Setup Figure Dimensions are in millimeters and (Inches)10 (0.4”) MODULEAIR FLOW 50.8 (2.0”)FACING

DS_S48SR12001_07052006 11 MECHANICAL DRAWING Open Frame Version Encapsulated Version Pin No. Name Function 1 +Vin Positive input voltage 2

DS_S48SR12001_07052006 12 PART NUMBERING SYSTEM S 48 S R 120 01 E R F A Form Factor Input Voltage Number of Outputs Product Series Output Volt

DS_S48SR12001_07052006 2 TECHNICAL SPECIFICATIONS (TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted) PARAMETER NOTES

DS_S48SR12001_07052006 3ELECTRICAL CHARACTERISTICS CURVES 606570758085900.25 0.5 0.75 1 1.25EFFICIENCY (%)36Vin 48Vin 75Vin 0.00.51.01.52.02.53.03

DS_S48SR12001_07052006 4ELECTRICAL CHARACTERISTICS CURVES Figure 5: Turn-on transient at zero load current (10 ms/div). Top Trace: Vin (20V/div)

DS_S48SR12001_07052006 5ELECTRICAL CHARACTERISTICS CURVES StripCopper Vo(-)Vo(+)10u1uSCOPE RESISTIVELOAD Figure 9: Output voltage noise and rip

DS_S48SR12001_07052006 6THERMAL CURVES: ENCAPSULATED VERSION Top ViewS48SR12001ER A, B Output Current vs. Ambient Temperature and Air Velocity@Vin &

DS_S48SR12001_07052006 THERMAL CURVES: OPEN FRAME VERSION Top ViewS48SR12001ER C, D Output Current vs. Ambient Temperature and Air Velocity @Vin &l

DS_S48SR12001_07052006 8 Do not ground one of the input pins without groundingone of the output pins. This connection may allow anon-SELV voltage t

DS_S48SR12001_07052006 9 Ex. When Trim-down –10% (12V X 0.9 = 10.8V) []ΚΩ=−+××−=− 50.15232.307.01.0121.04.248732.222downRtrim Vo(+)Vo(-)TrimRtrim-up