English dropdown-ico

Manual Delta Electronics H48SN

13 pages 0.46 mb
Download

Go to site of 13

Summary
  • Delta Electronics H48SN - page 1

    FEATURES  High Efficiency: 91.0% @ 28V/12.5A  Size: 61.0x57.9x12.7mm (2.40”×2.28”×0.50”)  S tandard footprint  Industry standard pin out  Fixed frequency operation  Metal baseplate  Input UVLO, Output OCP , OVP , OTP  Basic insulation  2250V isolation  2:1 Input voltage range  ISO 9001, TL 9000, ISO 14001, Q ...

  • Delta Electronics H48SN - page 2

    TECHNICAL SPECIFICA TIONS (T A =25°C, airflow rate=600 LFM, V in =48Vdc, nominal V out unless otherw ise noted.) H48SN28012_01 172008 2 PA R A M E T E R NOTES and CONDITIONS H48SN28012 (St andard) Min. T yp . Max. U nits ABSOLUTE MAXIMUM RA TINGS Input V oltage Continuous 80 Vdc T ransient (100ms) 100ms 100 Vdc Operating T emperature Please refer ...

  • Delta Electronics H48SN - page 3

    ELECTRICAL CHARACTERISTICS CUR VES 0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0 02468 1 0 1 2 OUTPUT CURRE NT(A) POWER DISSIPATION (W) 70 75 80 85 90 95 02 46 8 1 0 1 2 OUT P UT CURRE NT (A ) EFFICIENCY (%) 1 4 36Vi n 48V i n 75Vi n 1 4 36Vin 48Vi n 75Vin Figure 1: Efficiency vs. load current for minimum, nominal, and maximum in put voltage at 2 ...

  • Delta Electronics H48SN - page 4

    ELECTRICAL CHARACTERISTICS CUR VES For Negative Remote On/Off Logic Figure 4: T urn-on transi ent at full rated load current (resistive load) (10ms/div). CH3: V out;5V/ div; CH1: ON/OFF input: 2V/div Figure 5: T urn-on transient at minimum loa d current (10ms/div). CH3: V out: 5V /div; CH1: ON/OFF input: 2V/div For Positive Remote On/Off Logic Figu ...

  • Delta Electronics H48SN - page 5

    ELECTRICAL CHARACTERISTICS CUR VES Figure 8: Output voltage response to step-change in load current (75%-50% of Io, max; di/dt = 1A/10µS ) . Load cap: 330µF aluminum,10uF Low ESR capacitor and 1µF ceramic capacitor . T op T race: V out ( 100 mV/div), Bottom T race: Iout (5 A /div). Scope measureme nt should be made using a BNC cable (length shor ...

  • Delta Electronics H48SN - page 6

    ELECTRICAL CHARACTERISTICS CUR VES Figure 1 1: Input T erminal Ripple Current, i c , at full rated output current and nominal i nput voltage with 12µH source impeda nce and 220µF electrolytic capacitor (1A/div). Figure 12: Input reflected ripple current, i s , through a 1 2µH source inductor at nominal input vo ltage and rated l oad current (10 ...

  • Delta Electronics H48SN - page 7

    ELECTRICAL CHARACTERISTICS CUR VES 0.0 5.0 10.0 15.0 20.0 25.0 30.0 02468 1 0 1 2 1 4 1 6 1 8 2 0 LOAD CURRENT ( A) OUTPUT VOLTAGE ( V) Vin=48V Figure 14: Out p ut voltage ripple at nominal input voltage and rated load current (20 mV/div). Load capacitance:330uF aluminum, 1µF ceramic capacitor and 10µFlow ESR capacitor . Bandwidth: 20 MHz. Scope ...

  • Delta Electronics H48SN - page 8

    DESIGN CONSIDERA TIONS Input Source Impedance The impedance of the input sou rce connecting to the DC/DC powe r modules will interact wit h the modules and affect the st ability . A low ac-impedance input source is recommended. If the source indu ctance is more th an a few μ H, we advise adding a 220 to 47 0 μ F electrolytic capa citor (ESR < ...

  • Delta Electronics H48SN - page 9

    H48SN28012_01 172008 9 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 ...

  • Delta Electronics H48SN - page 10

    FEA TURES DESCRIPTIONS (CON.) Output V oltage Adjustment (TRIM) To increase or decrea se the output voltage set poin t, 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 (decre ...

  • Delta Electronics H48SN - page 11

    THERMAL CONSIDERA TIONS Thermal Derating Thermal management is an important part of the syst em design. To ensure p roper, reliable operation, sufficie nt 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. Heat can be removed by increa sing airf ...

  • Delta Electronics H48SN - page 12

    H48SN28012_01 172008 12 MECHANICAL DRA WING Pin No. Name Function 1 2 3 4 -Vin CASE 5 6 7 8 9 ON/OFF SE Ne age e Pin S ecificatio gative input volt se ground Ca Remote ON/OFF Positive input voltag Positive output vol tage Positive remote sense Output voltage trim Negative remote sense Negative output voltage +Vin +V out +SEN TRIM -SENSE -V out p n: ...

  • Delta Electronics H48SN - page 13

    H48SN28012_01 172008 13 P ART NUMBERING SYSTEM H 48 S N 280 12 N R F A Form Factor Input V oltage Number of Output s Product Series Output V oltage Output Current ON/OFF Logic Pin Length Option Code H- Half Brick 48V S- Single N- 350W series 280- 28V 12- 12.5A N- Negative P- Positive R- 0.170” N- 0.145” K- 0.1 10” F- RoHS 6/6 (Lead Free) S pa ...

Manufacturer Delta Electronics Category Power Supply

Documents that we receive from a manufacturer of a Delta Electronics H48SN can be divided into several groups. They are, among others:
- Delta Electronics technical drawings
- H48SN manuals
- Delta Electronics product data sheets
- information booklets
- or energy labels Delta Electronics H48SN
All of them are important, but the most important information from the point of view of use of the device are in the user manual Delta Electronics H48SN.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Delta Electronics H48SN, service manual, brief instructions and user manuals Delta Electronics H48SN. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Delta Electronics H48SN.

Similar manuals

A complete manual for the device Delta Electronics H48SN, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Delta Electronics H48SN by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Delta Electronics H48SN.

A complete Delta Electronics manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Delta Electronics H48SN - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Delta Electronics H48SN, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Delta Electronics H48SN, that we can find in the current document
3. Tips how to use the basic functions of the device Delta Electronics H48SN - which should help us in our first steps of using Delta Electronics H48SN
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Delta Electronics H48SN
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Delta Electronics H48SN in a specific country, if it was not possible to solve the problem on our own.

Do you have a question concerning Delta Electronics H48SN?

Use the form below

If you did not solve your problem by using a manual Delta Electronics H48SN, ask a question using the form below. If a user had a similar problem with Delta Electronics H48SN it is likely that he will want to share the way to solve it.

Copy the text from the picture

Captcha
New picture

Comments (0)