Instruction/ maintenance manual of the product Series E48SR Delta Electronics
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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 Fix.
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.
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.
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).
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).
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).
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.
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.
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).
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(-).
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.
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).
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.
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 R.
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.
An important point after buying a device Delta Electronics Series E48SR (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Delta Electronics Series E48SR yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Delta Electronics Series E48SR - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Delta Electronics Series E48SR you will learn all the available features of the product, as well as information on its operation. The information that you get Delta Electronics Series E48SR will certainly help you make a decision on the purchase.
If you already are a holder of Delta Electronics Series E48SR, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Delta Electronics Series E48SR.
However, one of the most important roles played by the user manual is to help in solving problems with Delta Electronics Series E48SR. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Delta Electronics Series E48SR along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
