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Delta Electronics 0.75-3.3V manual

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Table of contents for the manual

  • Page 1

    DATASHEET DS_DNM04SMD10_07 162008 FEATURES  High efficiency: 96%@5.0V in, 3.3V/10A out  Small size and low profile: (SMD) 33.0x 13.5x8.8mm (1.30” x 0.5 3” x 0.35”)  Surface mount packaging  S tandard footprint  V olt age and resistor-based trim  Pre-bias startup  Output voltage tracking  No minimum load required  Ou[...]

  • Page 2

    DS_DNM04SMD10_07 162008 2 TECHNICAL SPECIFICA TIONS (T A = 25°C, airfl ow rate = 300 LFM, V in = 2.8Vdc and 5.5V dc, nominal V out unle ss otherwise noted.) P ARAMETER NOTES and CONDITIONS DNM04S0A0S10PFD Min. T yp. Max. Units ABSOLUTE MAXIMUM RA TINGS Input V oltage (Continuous) 0 5.8 Vdc T racking V oltage Vin,max Vdc Operating T emperature Refe[...]

  • Page 3

    DS_DNM04SMD10_07 162008 3 ELECTRICAL CHARACTERISTICS CUR VES Figure 1: Converter Efficiency vs. Output C urrent (3.3V out) Figure 2: Converter Efficiency vs. Output Current (2.5V out) Figure 3: Converter Efficiency vs. Output C urrent (1.8V out) Figure 4: Converter Efficiency vs. Output Cu rrent (1.5V out) Figure 5: Converter Efficiency vs. Output [...]

  • Page 4

    DS_DNM04SMD10_07 162008 4 ELECTRICAL CHARACTERISTICS CUR VES Figure 7: Output ripple & noise at 3.3V in, 2.5V/10A out Figure 8: Output ripple & noise at 3.3V in, 1.8V/10A out Figure 9: Output ripple & noise at 5V in, 3.3V/10A out Figure 10: Output ripple & noise at 5Vin, 1.8V/10A out Figure 1 1: T urn on delay time at 3.3Vin, 2.5V/1[...]

  • Page 5

    DS_DNM04SMD10_07 162008 5 ELECTRICAL CHARACTERISTICS CUR VES Figure 13: T urn on delay time at 5Vin, 3.3V/10A out Figure 14: T urn on delay time at 5Vin, 1.8V/10A out Figure 15: T urn on delay time at remote turn on 5Vin, 3.3V/16A out Figure 16: T urn on delay time at remote turn on 3.3Vin, 2. 5V/16A out Figure 17: T urn on delay time at remote tur[...]

  • Page 6

    DS_DNM04SMD10_07 162008 6 ELECTRICAL CHARACTERISTICS CUR VES Figure 19: T ypical T r ansient Response to Step Load Change at 2.5A/ μ S from 100% to 50% of Io, max at 5Vin, 3.3V out (Cout = 1uF ceramic, 10 μ F T antalum) Figure 20: T ypical T r ansient Response to Step Load Change at 2.5A/ μ S from 50% to 100% of Io, max at 5Vin, 3.3V out (Cout =[...]

  • Page 7

    DS_DNM04SMD10_07 162008 7 ELECTRICAL CHARACTERISTICS CUR VES Figure 25: T ypical T r ansient Response to Step Load Change at 2.5A/ μ S from 100% to 50% of Io, max at 3.3Vin,1.8V out (Cout=1uF ceramic, 10 μ F T antalum) Figure 26: T ypical T rans ient Response to Step Load Chan ge at 2.5A/ μ S from 50% to 100% of Io, max at 3.3Vin,1.8V out (Cout [...]

  • Page 8

    DS_DNM04SMD10_07 162008 8 TEST CONFIGURA TIONS V I (+) V I (-) BATTERY 2 100uF Tantalum L TO OSCILLOSCOPE Note: Input reflected-ripple current is measured with a simulated sour ce inductance. Curr ent is measured at the input of the module. Figure 29: Input reflected-ripple test setup Vo GND COPPER STRIP 10uF tantalum 1uF ceramic SCOPE Resistive Lo[...]

  • Page 9

    DS_DNM04SMD10_07 162008 9 DESIGN CONSIDERA TIONS (CON.) The power module sh ould be conne cted to a low ac-impedance input source. Highly in ductive source impedances can af fect the stability of the module. An input capacit ance must be placed close to the modules input pins to filter ripple current and ensure m odule stability in the presence o f[...]

  • Page 10

    DS_DNM04SMD10_07 162008 10 FEA TURES DESCRIPTIONS (CON.) Over-T emperature Protection The over-temperature protection consists of circuitry that provides protection from thermal damag e. If the temperature exceeds the ove r-temperature thre shold the module will shut down. The module will try to restart after shutdown. If the over-temperature condi[...]

  • Page 11

    DS_DNM04SMD10_07 162008 11 FEA TURE DESCRIPTIONS (CON.) The amount of power deliv ered by the module is the voltage at the output terminals multiplied by the output current. When using the tr im feature, the output volt age of the module can be in creased, which at the same output current would increase the power outp ut of the module. Care should [...]

  • Page 12

    DS_DNM04SMD10_07 162008 12 FEA TURE DESCRIPTIONS (CON. ) Sequential St art-up Sequential st art-up (Figure 40) is imple mented by placing an On/Off co ntrol circuit between V o PS1 and the On/Off pin of PS2. Simultaneous Simultaneous tracking (Figure 4 1) is implemented by using the TRACK pin. The objective is to minimize the voltage dif ference be[...]

  • Page 13

    DS_DNM04SMD10_07 162008 13 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 equipmen[...]

  • Page 14

    DS_DNM04SMD10_07 162008 14 THERMAL CURVES Figure 44: T emperature measurement locati on * The allowed max imum hot spot temperature is defined at 125 ℃ DNM04S0A0S10(Standard) Output Current vs. Ambient Temperature and Air Velocity @ Vin = 5V, Vo = 3.3V (Either Orient ation) 0 2 4 6 8 10 12 60 65 70 75 80 85 Ambient Temperature ( ℃ ) Output Curr[...]

  • Page 15

    DS_DNM04SMD10_07 162008 15 PICK AND PLACE LOCA TION SURF ACE-MOUNT T APE & REEL LEAD (Sn/Pb) PROCESS RE COMMEND TEMP . PROFILE Ti m e ( s e c . ) Pre-heat temp. 140~180 ° C 6 0~120 se c. Peak temp. 210~230 ° C 5sec. Ramp-up temp. 0.5~3.0 ° C /sec. T emperature ( ° C ) 50 100 150 200 250 300 60 0 120 180 240 2nd Ramp-up te mp. 1.0~3.0 ° C /[...]

  • Page 16

    DS_DNM04SMD10_07 162008 16 MECHANICAL DRA WING SMD P ACKAGE SIP P ACKA GE ( OPTIONAL)[...]

  • Page 17

    DS_DNM04SMD10_07 162008 17 P ART NUMBERING SYSTEM DNM 04 S 0A0 S 10 P F D Product Series Input V olt age Numb ers of Output s Output V oltage Package Ty p e Output Current On/Off logic Option Code DNL - 16A DNM - 10A DNS - 6A 04 - 2.8~5.5V 10 – 8.3~14V S - Single 0A0 - Programmable R - SIP S - SMD 16 -16A 10 -10A N- negative (Default) P- positive[...]