Instruction/ maintenance manual of the product DNT04 Delta Electronics
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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.
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.
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.
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.
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.
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.
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.
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.
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 Confi.
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.
DS_DNT04SIP3A_09262007 11 MECHANICAL DRA WING SMD P ACKAGE (OPTIONAL) SIP P ACKAGE.
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.
An important point after buying a device Delta Electronics DNT04 (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 DNT04 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 DNT04 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Delta Electronics DNT04 you will learn all the available features of the product, as well as information on its operation. The information that you get Delta Electronics DNT04 will certainly help you make a decision on the purchase.
If you already are a holder of Delta Electronics DNT04, 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 DNT04.
However, one of the most important roles played by the user manual is to help in solving problems with Delta Electronics DNT04. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Delta Electronics DNT04 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
