Instruction/ maintenance manual of the product Series V48SR Delta Electronics
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FEATURES High efficiency: 90.5% @ 15V/4.4A Size: 33.0 x 22.9 x 9.5 mm (1.30”x0.90”x0.37”) Industry standard footprint and pinout Fixed frequency operation SMD and through-hol.
DS_V48SR15004_061 22007 2 TECHNICAL SPECIFICA TIONS (T A =25°C, airflow rate=300 LFM, V in =48Vdc, nominal V ou t u nless otherwise no ted.) PA R A M E T E R NOTES and CONDITIONS V48SR15004 (St andard) Min.
DS_V48SR15004_061 22007 3 ELECTRICAL CHARACTERISTICS CUR VES Figure 1: Ef ficiency vs. load current for minimum, nomina l, and maximum in put voltage at 25°C Figure 2: Power dissipation vs. load current for min imum, nominal, and max i mum input voltage at 25°C.
DS_V48SR15004_061 22007 4 ELECTRICAL CHARACTERISTICS CUR VES For Negative Remote On/Off Logic Figure 4: T urn-on transient at full rated load current (resistive load) (5 ms/div). Vin=48V . T op T race: V out, 5.0V/div; Bottom T race: ON/OFF input, 2V/div Figure 5: T urn-on transient at zero load current (5 ms/div).
DS_V48SR15004_061 22007 5 ELECTRICAL CHARACTERISTICS CUR VES Figure 10: T est set-up diagram showing measur ement points for Input T ermi nal Ripple Current and Input Reflected Ripple Current. Note: Measured input reflected-ripple c urrent with a simulated source Inductance (L TEST ) of 12 µ H.
DS_V48SR15004_061 22007 6 EMC T est Result T est re sult is in complian ce with EN55022 cla ss B as shown be low . Average mo de, @ Vi n = 48V , Iout=4.4A DESIGN CONSIDERA TIONS Input Source Impedance The impedance of the input source connecting to the DC/DC power modules will intera ct with the modules and affect the st ability .
DS_V48SR15004_061 22007 7 Soldering and Cleaning Considerations Post solder cleaning i s usually the final board assembl y process before the boa rd or system undergoes electri cal testing. Inadequate cleaning and/or drying may lower the reliability of a power module and severely af fect the finished circuit board assembly test.
DS_V48SR15004_061 22007 8 FEA TURES DESCRIPTIONS Over-Current Protection The modules include an internal output over-current protection circuit, which will endure current limiting for an unlimited duration during output overlo ad.
DS_V48SR15004_061 22007 9 Figure 19: Circuit configuration for trim-up (increase output voltage) If the external resistor is connected bet ween the TRIM and SENSE (+) the output voltage set point increase s (Fig.
DS_V48SR15004_061 22007 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.
DS_V48SR15004_061 22007 11 P I C K A N D P L A C E L O C A T I O N RECOMMENDED P AD LA YOUT (SMD) SURF ACE-MOUNT T APE & REEL.
DS_V48SR15004_061 22007 12 LEADED (Sn/Pb) PROCESS RECOMMEND TEMP . PROFILE T ime ( 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_V48SR15004_061 22007 13 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_V48SR15004_061 22007 14 P ART NUMBERING SYSTEM V 48 S R 150 04 N R F A T ype of Product 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 V - 1/16 brick 48V S - Single R - Regular 150 - 15V 04 - 4A N- Nega tive (Default) P- Positive R - 0.
An important point after buying a device Delta Electronics Series V48SR (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 V48SR 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 V48SR - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Delta Electronics Series V48SR 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 V48SR will certainly help you make a decision on the purchase.
If you already are a holder of Delta Electronics Series V48SR, 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 V48SR.
However, one of the most important roles played by the user manual is to help in solving problems with Delta Electronics Series V48SR. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Delta Electronics Series V48SR 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
