English dropdown-ico

Delta Electronics Series E48SH manual

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15

Go to page of

Similar user manuals

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Delta Electronics Series E48SH, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.

What is an instruction?

The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Delta Electronics Series E48SH one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.

Unfortunately, only a few customers devote their time to read an instruction of Delta Electronics Series E48SH. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.

What should a perfect user manual contain?

First and foremost, an user manual of Delta Electronics Series E48SH should contain:
- informations concerning technical data of Delta Electronics Series E48SH
- name of the manufacturer and a year of construction of the Delta Electronics Series E48SH item
- rules of operation, control and maintenance of the Delta Electronics Series E48SH item
- safety signs and mark certificates which confirm compatibility with appropriate standards

Why don't we read the manuals?

Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Delta Electronics Series E48SH alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Delta Electronics Series E48SH, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Delta Electronics service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Delta Electronics Series E48SH.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the Delta Electronics Series E48SH item, and its use of respective accessory, as well as information concerning all the functions and facilities.

After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.

Table of contents for the manual

  • Page 1

    FEATURES  High efficiency: 92.0% @3.3V/30A  Size: 58.4mm x 22.8mm x9.5mm (2.30”x0.90”x0.37”)  Industry standard pin out  Fixed frequency operation  Input UVLO, Output OTP , OCP , OVP  Monotonic startup into normal and pre-biased loads  Secondary control, very fast transient response  2250V Isolation and basic insulatio[...]

  • Page 2

    TECHNICAL SPECIFICA TIONS (T A =25°C, airflow rate=300 LFM, V in =48Vdc, nominal V out unless otherw ise noted.) PA R A M E T E R NOTES and CONDITIONS E48SH3R330 (St andard) Min. T y p. Max. Un its ABSOLUTE MAXIMUM RA TINGS Input V oltage Continuous 75 Vdc T ransient (100ms) 100ms 100 Vdc Operating T emperature Refer to Figure 21 for mea suring po[...]

  • Page 3

    E48SH3R330_0216200 7 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 i mum input voltage at 25°C. Figure 3: T ypical full l oad input characteristics at room temperature 0 0.5 1 1.5 2 2.5 [...]

  • Page 4

    ELECTRICAL CHARACTERISTICS CUR VES E48SH3R330_0216200 7 4 For Negative Remote On/Off Logic Figure 4: T urn-on transient at zero load current (5 ms/div). Vin=48V .T op T race: V out, 2V/div; Bottom T race: ON/OF F input, 2V/div Figure 5: T urn-on transient a t full ra ted load current (constant current load) (5 ms/div). Vin=48V .T op T race: Vout, 2[...]

  • Page 5

    ELECTRICAL CHARACTERISTICS CUR VES E48SH3R330_0216200 7 5 Figure 8: Output voltage response to step-change in load current (75%-50% of Io, max; di/dt = 0.1A/µs). Load cap: 10µF , tantalum capacitor and 1µF ceramic capa citor. T race: Vout (50mV/div , 100us/div ) , Scope measureme nt should be made using a BNC cable (length shorte r than 20 inche[...]

  • Page 6

    ELECTRICAL CHARACTERISTICS CUR VES Figure 12: Input reflected ripple current, i s , through a 12µH source inductor at nominal input voltage an d rated load current (20 mA/div , 2us/div). Figure 13: Output voltage noise and ripple me asurement test setup Figure 14: Output voltage ripple at nominal input voltage and rated load current (Io=30A)(50 mV[...]

  • Page 7

    DESIGN CONSIDERA TIONS Input Source Impedance The impedance of the input source co nnecting to the DC/DC powe r modules will interact with the modul es 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 µ F to 100 µ F electrolytic capa citor (ESR <[...]

  • Page 8

    FEA TURES DESCRIPTIONS Over-Current Protection The E48SH modules include an internal output over-current protection circuit, which will endure current limiting for an unlimited duration du ring output overload. When the output current exce eds the OCP set point, the current limit function will work by initially reduce duty cycle of the module, the [...]

  • Page 9

    FEA TURES DESCRIPTIONS (CON.) Output V oltage Adjustment (TRIM) To increase or decrea se the output voltage set point, 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 configuration for trim-down (decrea[...]

  • Page 10

    E48SH3R330_0216200 7 10 THERMAL CONSIDERA 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[...]

  • Page 11

    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 - M O U N T T A P E & R E E L RECOMMENDED P AD LA YOUT (SMD) E48SH3R330_0216200 7 11[...]

  • Page 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. 1.0~3.0 ° C /sec. Over 200 ° C 40~50sec. Coolin g down ra te <3 ° C /se c. Note: The tempera[...]

  • Page 13

    MECHANICAL DRA WING SURF ACE-MOUNT MODULE T H R O U G H - H O L E M O D U L E 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 E48SH3R330_0[...]

  • Page 14

    MECHANICAL DRA WING (WITH HEA TSPREADER) THROUGH-HOLE MODULE E48SH3R330_0216200 7 14[...]

  • Page 15

    E48SH3R330_0216200 7 15 P ART NUMBERING SYSTEM E 48 S H 3R3 30 N R F A T ype of Product Input V oltage Number of Output s Product Series Outp ut Vo l t a g e Output Current ON/OFF Logic Pin Length Option Code E- Eighth Brick 48-36V~75V S- Single H-50A series 3R3 - 3.3V 30 - 30A N- Negative P- Positive R- 0.170” N- 0.145” K- 0.1 10” M- SMD F- [...]