Delta Electronics Series H48SV manual

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

Go to page of

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Delta Electronics Series H48SV, 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 H48SV 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 H48SV. 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 H48SV should contain:
- informations concerning technical data of Delta Electronics Series H48SV
- name of the manufacturer and a year of construction of the Delta Electronics Series H48SV item
- rules of operation, control and maintenance of the Delta Electronics Series H48SV 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 H48SV 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 H48SV, 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 H48SV.

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 H48SV 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

    Delphi Series H48SV , 150W Half Brick Family DC/DC Power Modules: 48V in, 5V/20A out The Delphi Series H48SV Half Brick, 48V input, single output, isol ated DC/DC converters a re the latest of fering from a world leader in power systems technology and manufacturi ng — Delt a Electronics, Inc. This product family provides up to 150 watt s of power[...]

  • Page 2

    TECHNICAL SPECIFICA TIONS (T A =25°C, airflow rate=300 LFM, V in =48Vdc, nominal V ou t unless otherw ise no ted.) PA R A M E T E R NOTES and CONDITIONS H48SV05020 (St andard) Min. T y p. Max. Units ABSOLUTE MAXIMUM RA TINGS Input V oltage Continuous 80 Vdc T ransient (100ms) 100ms 100 Vdc Operating Case T emperature T c -40 100 °C S torage T emp[...]

  • Page 3

    ELECTRICAL CHARACTERISTICS CUR VES 60 65 70 75 80 85 90 95 2.5 5 7.5 10 12.5 15 17.5 20 OUT PUT CURRE NT (A) EFFICIENCY (%) 36Vin 48Vi n 75Vin 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0 14.0 2.5 5 7.5 10 12.5 15 17.5 20 OUTPUT CURRENT(A) POWER DISS IPATION (W) 36Vin 48Vin 75Vin Figure 1: Efficiency vs. load current for minimum, nom[...]

  • Page 4

    ELECTRICAL CHARACTERISTICS CUR VES For Negative Remote On/Off Logic Figure 4: T urn-on transient at full rated l oad current (resistive load) (2 ms/div).Vin=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 = 48 V . T op T race: V out: 2V/div; Bottom T race: ON/OF[...]

  • Page 5

    ELECTRICAL CHARACTERISTICS CUR VES Figure 8: Output voltage response to step-change in load current (50%-75%-50% of Imax; dI/dt = 0.1A/µs).Vin=48V . Load cap: 10µF , tantalum capacitor and 1µF ceramic capacitor . T op trace: V out (100 mV/div), Botto m trace: Iout (5A/div). Scope measurement shou ld be made using a BNC cable (length shorter than[...]

  • Page 6

    ELECTRICAL CHARACTERISTICS CUR VES Figure 1 1 : Input T erminal Ri pple Current, i c , at full rated output current and nominal i nput voltage with 12 µ H source impedance and 33 µ F electrolytic capacitor (200 mA/div). Figure 12 : Input reflected ri pple current, i s , through a 12 µ H source inductor at nominal input vo ltage and rated l oad c[...]

  • Page 7

    ELECTRICAL CHARACTERISTICS CUR VES 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 0 5 10 15 20 25 30 LO A D CURRENT ( A ) OUTPUT VOLTAGE (V) Vi n=48V Figure 14: Output volt age ripple at nominal input voltage (Vin=48V) and rated loa d current (Io=2 0A) (20 mV/di v). Load capacitance: 1µF c eramic capacitor and 10µF tantalum capacitor . Bandw idt[...]

  • Page 8

    THERMAL CURVES: NO HEA TSINK Figure 16: Case temperature measurement location. Pin locations are for referenc e only . Figure 17: Output current vs. ambient temperature and air velocity (V in <60V) Figure 18: Output current vs. ambient temperature and air velocity (V in =75V) Figure 19: Power dissipation vs. ambient temperature and air velocity [...]

  • Page 9

    9  The input source must be insulated from 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 is u sed , in combination[...]

  • Page 10

    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 will try to restart after s[...]

  • Page 11

    11 Figure 23: 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. 23). The external resi stor value required to obt ain a percentage output voltage change △ % is defined as: () Ω ∆ ∆ K Vo - ) (1 Vo Vo ) (1 Vo 2 up Rtri[...]

  • Page 12

    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 equipment to chara cterize the ther[...]

  • Page 13

    MECHANICAL DRA WING Pin No. Name Function 1 2 3 4 5 6 7 8 9 -Vin Case ON/OFF +Vin +V out +SENSE TRIM -SENSE -V out Negative input voltage Case Ground Remote ON/OFF Positive input voltage Positive output voltage Positive remote sense Output voltage trim Negative remote sense Negative output voltage Pin Specification: Pins 1-4, 6-8 1.02mm (0.040”) [...]

  • Page 14

    P ART NUMBERING SYSTEM H 48 S V 050 20 N R F A Form Factor Input V oltage Number of Output s Product Series Output Vo l t a g e Output Current ON/OFF Logic Pin Length Option Code H - Half Brick 48V S- Single V - V alue line 050- 5V 20- 20A N- Negative P- Positive R- 0.170” N- 0.145” K- 0.1 10” F- RoHS 6/6 (Lead Free) A- S tandard Functions MO[...]