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Delta Electronics H48SL manual

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Table of contents for the manual

  • Page 1

    Delphi Series H48SL, 200W Half Brick Family DC/DC Power Modules: 48V in, 1.5V/60A out The Delphi Series H48SL Half Brick, 48V input, single output, i solated DC/DC converters a re the latest offering from a wo rld leader in powe r systems technology and manufa cturing ― Delta Electronics, Inc. This product family provides up to 200 watt s of powe[...]

  • Page 2

    TECHNICAL SPECIFICA TIONS (T A =25°C, airflow rate=300 LFM, V in =48Vdc, nominal V out unless ot herwise noted) PA R A M E T E R NOTES and CONDITIONS H48SL1R560 (St andard) Min. T y p. Max. U nits ABSOLUTE MAXIMUM RA TINGS Input V oltage Continuous 80 Vdc T ransient (100ms) 100ms 100 Vdc Operating Case T emperature T c -40 +100 °C S torage T empe[...]

  • Page 3

    ELECTRICAL CHARACTERISTICS CUR VES 65 70 75 80 85 90 10 20 30 40 50 60 OUTPUT CURRENT (A) EFFICIENCY (%) 36Vin 48Vin 75V in 0.0 4.0 8.0 12.0 16.0 20.0 10 20 30 40 50 60 OUTPUT CURRENT(A) POWER DISSIPATION (W) 36Vin 48Vin 75V in Figure 1: Efficiency vs. load current for minimum, nominal, and maximum in put voltage at 25°C. Figure 2: Power dissipati[...]

  • Page 4

    ELECTRICAL CHARACTERISTICS CUR VES For Negative Remote On/Off Logic Figure 4: T urn-on transient at full rated l oad current (resistive load) (2 ms/div). T op T race: V out; 500mV/div; Bottom T race: ON/OFF input: 10V/div Figure 5: T urn-on transient at zero load current (2 ms/div). To p T race: Vout: 500mV/div; Bottom T race: ON/OFF input: 10V/div[...]

  • Page 5

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

  • Page 6

    ELECTRICAL CHARACTERISTICS CUR VES Figure 1 1: Input T erminal Ripple C urrent, i c , at full rated output current and nominal i nput voltage with 12µH source impedance and 33µF electrolytic capacitor (1A/div). Figure 12: Input reflected ripple current, i s , through a 12 µH source inductor at nominal input vo ltage and rated l oad current (20 m[...]

  • Page 7

    ELECTRICAL CHARACTERISTICS CUR VES 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0 1 02 03 04 05 06 07 08 09 0 1 0 0 LOAD CURRENT (A) OUTPUT VOLTAGE (V) 48Vin Figure 14: Output voltage ripple at nominal input voltage and rated load current (20 mV/div). Load capacitance: 1µF c eramic capacitor and 10µF tantalum cap acit or . Bandw idth: 20 MHz. Scope measur[...]

  • Page 8

    THERMAL CURVES: NO HEA TSI NK, EITHER ORIENT A TION Figure 16: Case temperature measurement location. Pin locations are for referenc e only . Figure 17: Output current vs. ambient temperature and air velocity (V in <60V) Figure 18: Output current vs. ambient temperature and air velocity (V in =75V) Figure 19: Power dissipation vs. ambient temper[...]

  • Page 9

    DESIGN CONSIDERA TIONS Input Source Impedance The impedance of the input sou rce connecting to the DC/DC powe r modules will interact with the mod ules and affect the st ability . A low ac-impedance input source is recommended. If the source induct ance is more than a few µ H, we advise adding a 10 to 100 µ F electrolytic capa citor (ESR < 0.7[...]

  • Page 10

    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 down (hiccup mode). The modules will try to restart after s[...]

  • Page 11

    FEA TURES DESCRIPTIONS (CON.) Output V oltage Adjustment (TRIM) To increase or decrea se the output voltage set point, connect an external resi stor between the TRIM pin and either the SENSE(+) or SENSE(-). The TRIM pin should be left open if this feature is not used. Figure 22: Circuit configuration for trim-down (decrease output voltage) If the e[...]

  • Page 12

    THERMAL CONSI DERA TIONS Thermal management is an importa nt part of the system design. To ensure prop er, reliable operation, sufficient 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 to chara cterize the ther[...]

  • Page 13

    MECHANICAL DRA WING Pin No. Name Function 1 2 3 4 5 6 7 8 9 -Vin Case ON/OFF +Vin +V out +SENSE TRIM -SENSE -V out Negative input voltage Case ground Remote ON/OFF Positive input voltage Positive output voltage Positive remote sense Output voltage trim Negative remote sense Negative output voltage Pin Specification: Pins 1-4, 6-8 1.00mm (0.040”) [...]

  • Page 14

    DS_H48SL1R560_10302 006 14 P ART NUMBERING SYSTEM H 48 S L 1R5 60 N R F A Form Factor Input V oltage Number of Output s Product Series Output Vo l t a g e Output Current ON/OFF Logic Pin Length Option Code H – Half-Brick 48V S - Single L - IMS, positive trim 1R5 - 1.5V 60 - 60A N - Negative P - Positive R - 0.170” N - 0.145” K - 0.1 10” F- [...]