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Manual Delta Electronics Series E48SR

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  • Delta Electronics Series E48SR - page 1

    DA TASH EET DS_E48SR05012_05222008 FEATURES  High Efficiency: 91.5% @ 5.0V/12A  Size: 58.4mmx22.80mmx8.4mm (2.30”x0.90”x0.33”)  S tandard footprint  Industry standard pin out  Fixed frequency operation: 35 0KHz  Input UVLO, Output OCP , OVP , OTP  1500V isolation  Basic insulation  No minimum load required  2:1 I ...

  • Delta Electronics Series E48SR - page 2

    DS_E48SR05012_052 22008 2 TECHNICAL SPECIFICA TIONS (T A =25°C, airflow rate=300 LFM, V in =48Vdc, nominal V out unless otherwise no ted.) PA R A M E T E R NOTES and CONDITIONS E48SR05012 (St andard) Min. T yp . Max. Un its ABSOLUTE MAXIMUM RA TINGS Input V oltage Continuous 75 Vdc T ransient (100ms) 100ms 100 Vdc Operating T emperature Refer to F ...

  • Delta Electronics Series E48SR - page 3

    DS_E48SR05012_052 22008 3 ELECTRICAL CHARACTERISTICS CUR VES Figure 1: Efficiency 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 l oad input characteristics at room temperature ...

  • Delta Electronics Series E48SR - page 4

    DS_E48SR05012_052 22008 4 ELECTRICAL CHARACTERISTICS CUR VES For Negative Remote On/Off Logic Figure 4: T urn-on transient a t full rated load current (resistive load) (2 ms/div). V in=48V .T op T race: V out, 2V/div; Bottom T race: ON/OFF input, 5V/div Figure 5: T urn-on transient at zero load current (2 ms/ div). Vin=48V .T op T race: Vout, 2V/di ...

  • Delta Electronics Series E48SR - page 5

    DS_E48SR05012_052 22008 5 ELECTRICAL CHARACTERISTICS CUR VES Figure 8: Output voltage response to step-change in load current (75%-50%-75% of Io, max; di/dt = 0.1A/µs). Load cap: 10µF , tantalum capacitor and 1µF ceramic capacitor . T op T race: V out (10 0mV/div , 200us/div), Bottom T race: I out (5 A /div). Scope measurement shoul d be made us ...

  • Delta Electronics Series E48SR - page 6

    DS_E48SR05012_052 22008 6 ELECTRICAL CHARACTERISTICS CUR VES Figure 1 1: Input T erminal Ripple Current, i c , at full rated output current and nominal i nput voltage with 12µH source impeda nce and 33µF electrolytic capacitor (500 mA/div , 2us/div). Figure 12: Input reflected ripple current, i s , through a 12µH source inductor at nominal input ...

  • Delta Electronics Series E48SR - page 7

    DS_E48SR05012_052 22008 7 ELECTRICAL CHARACTERISTICS CUR VES Figure 14: Output voltage ripple at nominal input voltage and rated load current (Io=12A)(20 mV/div , 2us/div) Load capacitance: 1µF ceramic capacitor and 10µF t antalum capacitor . Ban dwidth: 20 MHz. Scope measurements should be made using a BNC cab le (length shorter than 20 inc hes) ...

  • Delta Electronics Series E48SR - page 8

    DS_E48SR05012_052 22008 8  The input source must be insulated f rom 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 ...

  • Delta Electronics Series E48SR - page 9

    DS_E48SR05012_052 22008 9 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 w ...

  • Delta Electronics Series E48SR - page 10

    DS_E48SR05012_052 22008 10 FEA TURES DESCRIPTIONS (CON.) Output V oltage Adjustment (TRIM) To increase or decrea se the output voltage set poi nt, the modules may be connected wit h an external resistor betwee n the TRIM pin and either the SENSE(+) or SENSE(-). The TRIM pin should be left open if this feature is not used. Figure 18: Circuit configu ...

  • Delta Electronics Series E48SR - page 11

    DS_E48SR05012_052 22008 11 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 ...

  • Delta Electronics Series E48SR - page 12

    DS_E48SR05012_052 22008 12 P I C K A N D P L A C E L O C A T I O N S U R F A C E - MOUNT T APE & REEL RECOMMENDED P AD LA YOUT (SMD) ...

  • Delta Electronics Series E48SR - page 13

    DS_E48SR05012_052 22008 13 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 ° ...

  • Delta Electronics Series E48SR - page 14

    DS_E48SR05012_052 22008 14 MECHANICAL DRA WING Surface-mount module Through-hole module Pin No. Name Function 1 2 3 4 5 6 7 8 +Vin ON/OFF -Vin -V out -SENSE TRIM +SENSE +V out Positive input voltage Remote ON/OFF Negative input voltage Negative output voltage Negative remote sense Output voltage trim Positive remote sense Positive output voltage ...

  • Delta Electronics Series E48SR - page 15

    DS_E48SR05012_052 22008 15 P ART NUMBERING SYSTEM E 48 S R 050 12 N R F A T ype of Product Input V olt age Number of Output s Product Series Output V olt age Output Current ON/OFF Logic Pin Length/T ype Option Code E- Eighth Brick 48V S- Single R- Regular 050- 5.0V 12-12A N- Negative (Default) P- Positive R - 0.170” (Default) N- 0.145” K- 0.1 1 ...

Manufacturer Delta Electronics Category Power Supply

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- Series E48SR manuals
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All of them are important, but the most important information from the point of view of use of the device are in the user manual Delta Electronics Series E48SR.

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A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Delta Electronics Series E48SR by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Delta Electronics Series E48SR.

A complete Delta Electronics manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Delta Electronics Series E48SR - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Delta Electronics Series E48SR, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Delta Electronics Series E48SR, that we can find in the current document
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4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Delta Electronics Series E48SR
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