Delta Electronics DNT04 manual

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

Go to page of

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Delta Electronics DNT04, 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 DNT04 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 DNT04. 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 DNT04 should contain:
- informations concerning technical data of Delta Electronics DNT04
- name of the manufacturer and a year of construction of the Delta Electronics DNT04 item
- rules of operation, control and maintenance of the Delta Electronics DNT04 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 DNT04 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 DNT04, 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 DNT04.

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 DNT04 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 DNT04, Non-Isolated Point of Load DC/DC Power Modules: 2.4~5. 5Vin, 0.75~3.63V o, 3A out The Delphi Series DNT 04, 2.4-5.5V input, single output, non-isolated Point of Load DC/DC converters are the latest of fering from a world leader in power systems technolo gy and manufacturing — Delta Electronics, Inc. The DNT04 series provides a pro g[...]

  • Page 2

    DS_DNT04SIP3A_09262007 2 TECHNICAL SPECIFICA TIONS (T A = 25°C, airfl ow rate = 300 LFM, V in = 2.4Vdc and 5.5V dc, nominal V out unless otherw ise noted.) P ARAMETER NOTES and CONDITIONS DNT04S0A0R03NF A Min. T yp. Max. Units ABSOLUTE MAXIMUM RA TINGS Input V oltage (Continuous) 0 5.8 Vdc Operating T emperature Refer to Figure 32 for measuring p [...]

  • Page 3

    DS_DNT04SIP3A_09262007 3 ELECTRICAL CHARACTERISTICS CUR VES Figure 1: Converter efficiency vs. output current (5V in/3.3Vout) Figure 2: Converter ef ficiency vs. output current (5Vin/2.5V out) Figure 3: Converter efficiency vs. output current (5V in/1.8Vout) Figure 4: Converter efficiency vs. output current (5Vin/1.5V out) Figure 5: Converter effic[...]

  • Page 4

    DS_DNT04SIP3A_09262007 4 ELECTRICAL CHARACTERISTICS CUR VES (CON.) Figure 7: Output ripple & noise at 5Vin, 3.3V/3A out, 50mV/div Figure 8: Outp ut ripple & nois e at 5Vin, 2.5V/3A out, 50mV/div Figure 9: Output ripple & noise at 5Vin, 1.8V/3A out, 50mV/div Figure 10: Output ripple & noise at 5Vin, 1.5V/3A out, 50mV/div Figure 1 1: [...]

  • Page 5

    DS_DNT04SIP3A_09262007 5 ELECTRICAL CHARACTERISTICS CUR VES (CON.) Figure 13: T urn on delay time at 5Vin, 3.3V/3A out T op: V out, 2V/div , Bottom: Vin, 5V/div; 2mS/div Figure 14: T urn on delay time at 5Vin, 2.5V/3A out T op: V out, 2V/div , Bottom: V in, 5V/div; 2mS/div Figure 15: T urn on delay time at 5Vin, 1.8V/3A out Top: Vout, 1V/div, Botto[...]

  • Page 6

    DS_DNT04SIP3A_09262007 6 ELECTRICAL CHARACTERISTICS CUR VES Figure 19: T ypical transient response to step loa d change at 2.5A/µS from 100% to 50% of Io, max at 5Vin, 3.3V out (Cout = 1uF ceramic, 10µF t antalum), 0.1V/div Figure 20: T ypical transient response to step loa d change at 2.5A/µS from 50% to 100% of Io, max at 5Vin, 3.3Vout (Cout =[...]

  • Page 7

    DS_DNT04SIP3A_09262007 7 DESIGN CONSIDERATIONS Input Source Impedance The power module should be con nected to a low ac-impedance input source. Hig hly inductive source impedances can af fect the stability of the module. An input capacit ance must be placed close to the modules input pins to filter ripple current and ensure module stability in the [...]

  • Page 8

    DS_DNT04SIP3A_09262007 8 FEA TURES DESCRIPTIONS (CON.) Over-T emperature Protection The over-temperature protection consists of circuitry that provides protection from therm al damage. If the temperature exceeds the ov er-tem perature threshold the module will shut down. The module will try to restart after shutdown. If the over-temperature conditi[...]

  • Page 9

    DS_DNT04SIP3A_09262007 9 Figure 30: Circuit configuration for output voltage margining Vo On/Off Vin GND Trim Q2 Q1 Rmargin- up Rmargin- down Rtrim Vo TRIM GND RLoad Vtrim + _ Figure 29: Circuit Configuration for programming output vol tage using external voltage source The amount of power delivered by the module is the voltage at the output termin[...]

  • Page 10

    DS_DNT04SIP3A_09262007 10 Note : Wind Tun nel T est S etu p Fig ure Dim ensi ons a re in m illim eters and ( Inc hes) Figure 31: Wind tunnel test setup THERMAL CONSIDERA TIONS Thermal management is an important part of the system design. To ensure pro per, reliable operation, sufficient cooling of the power mo dule is needed over the entire tempera[...]

  • Page 11

    DS_DNT04SIP3A_09262007 11 MECHANICAL DRA WING SMD P ACKAGE (OPTIONAL) SIP P ACKAGE[...]

  • Page 12

    DS_DNT04SIP3A_09262007 12 P ART NUMBERING SYSTEM DNT 04 S 0A0 R 03 N F A Product Series Input V oltage Numbers of Output s Output V oltage Package Ty p e Output Current On/Off logic Option Code DNT - 3A/5A 04 - 2.4V~5.5V S - Single 0A0 - Programmable R - SIP 03 - 3A N- negative (Default) P- positive F- RoHS 6/6 (Lead Free) A - S tandard Function MO[...]