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Delta Electronics Series S48SP manual

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Table of contents for the manual

  • Page 1

    Delphi Series S48SP , 35W 1x1 Brick DC/DC Power Modules: 48V in, 3.3V/10A out The Delphi Series S48SP , 1x1 Brick, 48V input, single output, isolated DC/DC converters a re the latest of fering from a world leader in p ower systems technology and manufacturi ng ― Delt a Electronics, Inc. This product family is available in a surface mount or throu[...]

  • Page 2

    DS_S48SP3R310_05222008 2 TECHNICAL SPECIFICA TIONS (T A =25°C, airflow rate=300 LFM, V in =48Vdc, nominal V ou t unless otherwise no ted.) PA R A M E T E R NOTES and CONDITIONS S48SP3R310 (St andard) Min. T yp . Max. Unit s ABSOLUTE MAXIMUM RA TINGS Input V oltage Continuous 80 Vdc T ransient (100ms) 100ms 100 Vdc Operating T emperature Refer to F[...]

  • Page 3

    DS_S48SP3R310_05222008 3 ELECTRICAL CHARACTERISTICS CUR VES Figure 1: Ef ficiency vs. load current for minimum, nominal, and maximum in put voltage at 25°C Figure 2: Power dissipation vs. load current for min imum, nominal, and max imum input voltage at 25°C. Figure 3: T ypical full load input charac teristics at room temperature[...]

  • Page 4

    DS_S48SP3R310_05222008 4 ELECTRICAL CHARACTERISTICS CUR VES For Negative Remote On/Off Logic Figure 4: T urn-on transient at full rated loa d current (5 ms/div ). Vin=48V . T op T race: V out, 1. 0V/div; Bottom T race: ON/OFF input, 2V/div Figure 5: T urn-on transient at zero load current (5 ms/div). Vin=48V . T op T race: V out, 1 .0V/div , Bottom[...]

  • Page 5

    DS_S48SP3R310_05222008 5 ELECTRICAL CHARACTERISTICS CUR VES Figure 8: Output voltage response to step-change in load current (75%-50% of Io, max; di/dt = 0.1A/µs). Load cap: 10µF tantalum cap acitor and 1 µF ceramic capacitor . T op T race: Vout (100mV/div , 50us/div ) , Bottom T race: Iout (2A/div). Scope measurement should be made usi ng a BNC[...]

  • Page 6

    DS_S48SP3R310_05222008 6 ELECTRICAL CHARACTERISTICS CUR VES Figure 12: Input reflected ripple current, i s , through a 12µH source inductor at nominal input voltage an d rated load current (20 mA/div , 1us/div) Figure 13: Output voltage noise and ripple measur ement test setup Figure 14: Output voltage ripple at nominal input voltage and rated loa[...]

  • Page 7

    DS_S48SP3R310_05222008 7  The input source must be insulated from the ac mains by reinforced or double insulation.  The input terminals of the module are not operator accessible.  If the metal baseplate is grounded , one Vi pin and one Vo pin shall also be grounded.  A SELV reliability test is conducted on the system where the module is[...]

  • Page 8

    DS_S48SP3R310_05222008 8 FEA TURES DESCRIPTIONS Over-Current Protection The modules include an internal output over-curre nt protection circuit, which will endure current limiting for an unlimited duration during output overload. If the output current exceeds the OCP set point, the modul es will automatically shut dow n, and enter hiccup mode or la[...]

  • Page 9

    DS_S48SP3R310_05222008 9 FEA TURES DESCRIPTIONS (CON.) Output V oltage Adjustment To increase or decrea se the output voltage set poi nt, the modules may be connected wit h an external resistor between the TRIM pin and either the Vo (+) or Vo(-). The TRIM pin should be left open if this feature is not used. R Load Vo (+) Trim Vo (-) R trim-down Vi [...]

  • Page 10

    DS_S48SP3R310_05222008 10 THERMAL CONSIDERA TIONS Thermal management is an importa nt part of the system design. To ensure prop er, reliable operation, suffici ent cooling of the power mod ule is needed over the entire temperature range of the modul e. Convection coolin g is usually the dominant mode of heat transfer. Hence, the choice of equipment[...]

  • Page 11

    DS_S48SP3R310_05222008 11 PICK AND PLACE LOCA TION SURF ACE-MOUNT T APE & REEL RECOMMENDED P AD LA YOUT (SMD)[...]

  • Page 12

    DS_S48SP3R310_05222008 12 LEADED (Sn/Pb) PROCESS RECOMMEND TEMP . PROFILE T i me ( sec. ) Pre-h eat tem p. 140~180 ° C 60~120 sec. Peak tem p. 210~230 ° C 5sec . Ramp-up te mp. 0.5~3.0 ° C /sec . T emperature ( ° C ) 50 100 150 200 250 300 60 0 120 180 240 2nd Ramp-up temp. 1.0~3.0 ° C /sec. Over 200 ° C 40~50sec. Cooling down rate < 3 ° [...]

  • Page 13

    DS_S48SP3R310_05222008 13 MECHANICAL DRA WING Surface-mount module Through-Hole module Pin No. Name Function 1 2 3 4 5 6 +Vin -Vin ON/OFF (Optional) -V out TRIM (Optional) +V out Positive input voltage Negative input voltage Remote ON/OFF (Optional) Negative output voltage Output voltage trim (Optional) Positive output voltage[...]

  • Page 14

    DS_S48SP3R310_05222008 14 P ART NUMBERING SYSTEM S 48 S P 3R3 10 N R F B Product Ty p e Input V olt age Number of Output s Product Series Output Vo l t a g e Output Current ON/OFF Logic Pin Length/T ype Option Co de S - Small Power 48- 36V~75V S - Single 1x1, 10A 3R3 - 3.3V 10 - 10A N - Negative (Default) P - Positive E- No remote on/off control fu[...]