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DB Series
2:1 Input Voltage Range 40 Watt DC/DC Converter Single, Dual, and Triple Outputs
FEATURES
High Efficiency up to 90% Fixed Switching Frequency Six-Sided Continuous Shield 2:1 Wide Input Voltage Range 40 Watts Maximum Output power Standard 2.02" x 2.02" x 0.4" Package International Safety Standard Approval Single, Dual, Dual Positive (Total Output Current 8A), and Triple Outputs Available
UL E155800 TUV CB CE MARK
SPECIFICATIONS: DB Series
All specifications apply @ 25C ambient unless otherwise noted
INPUT SPECIFICATIONS
Input Voltage Range ............ 12V nominal input .......................... 9-18VDC 24V nominal input ........................ 18-36VDC 48V nominal input ........................ 36-75VDC Under Voltage Lockout 12V nominal input........... DC-DC ON ...........................................9VDC DC-DC OFF .........................................8VDC 24V nominal input........... DC-DC ON ......................................17.8VDC DC-DC OFF .......................................16VDC 48V nominal input........... DC-DC ON .........................................36VDC DC-DC OFF .......................................34VDC Input Filter .................................................................................... L-C Type Input Voltage Variation......... dv/dt ............................................ 5V/ms max (Complies with ETS300 132 part 4.4) Input Surge Voltage (100ms max) ............... 12V input ...................36VDC 24V input ...................50VDC 48V input .................100VDC Input Reflected Ripple Current (See Note 6) ................................40mAp-p (nominal Vin and full load) Start Up Time (nominal Vin and constant resistive load) Power Up................................................................................25ms typ. Remote ON/OFF ....................................................................25ms typ. Remote ON/OFF (See Note 7) DC-DC ON .....................................................Open or 3.5V < Vr < 12V DC-DC OFF......................................................Short or 0V < Vr < 1.2V Remote Off Input Current (nominal Vin) ...........................................2.5mA
OUTPUT SPECIFICATIONS (CONTINUED)
Minimum Load (See Note 2)........... Single & Dual Positive..................... 0% Dual & Triple ........................ 10% of FL Ripple/Noise (See Note 5)..............................................................see table (20MHz -Measured with a 104pF/50V MLCC) Transient Response Recovery Time ...................................................250us (25% load step change)
PROTECTION SPECIFICATIONS
Over Voltage Protection ................................... 1.5V Output................. 3.9V (Zener diode clamp) 1.8V Output................. 3.9V 2.5V Output................. 3.9V 3.3V Output................. 3.9V 5V Output.................... 6.2V 12V Output................... 15V 15V Output................... 18V Over Load Protection (% of FL at nominal input) ....................... 150% max. Short Circuit Protection...................................... Hiccup, automatic recovery Over Temperature Protection .......................................................115C typ.
GENERAL SPECIFICATIONS
Efficiency ........................................................................................see table Switching Frequency (See Note 8)............................................300KHz typ. Isolation Voltage (Input to Output)......................................... 1600VDC min. Isolation Voltage (Input/Output to Case) ............................... 1600VDC min. Isolation Resistance ...............................................................10 ohms min. Isolation Capacitance ............................................................. 1000pF max.
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OUTPUT SPECIFICATIONS
Output Voltage ..............................................................................see table Voltage Accuracy (nom Vin and full load) .........Single & Dual............. 1% Triple (main) .............. 1% (auxiliary) ......... 5% Voltage Adjustability (See Note 1) ..................................................... 10% (Single & Dual Outputs only-not including Dual positive & triple) Output Current ..............................................................................see table Output Power ........................................................................ 40 watts max. Line Regulation (LL to HL at FL).................. Single & Dual.............. 0.5% Triple (main) .................. 1% Triple (auxiliary) ............. 5% Load Regulation (See Note 3) ..................... Single......................... 0.5% (10% to 100% FL) Dual ............................... 1% Triple (main) .................. 2% (auxiliary) ............. 5% Load Cross Regulation (See Note 4) ....... Triple (main) ...................... 1% Dual/Triple (auxiliary)......... 5%
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature ................................ -40C to +85C (with derating) Storage Temperature .......................................................... -55C ~ +105C Maximum Case Temperature ........................................................... +100C Relative Humidity...................................................................5% to 95% RH Temperature Coefficient ................................................... 0.02% / C max. Thermal Impedance (See Note 10) Natural Convection ............................................................ 9.2C / Watt Heat-Sink with 20LFM ......................................................... 7.6C/Watt Heat-Sink with 500LFM ....................................................... 2.8C/Watt Thermal Shock .................................................................... MIL-STD-810D Vibration ................................10~55Hz, 10G, 30 minutes along X, Y, and Z MTBF (See Note 9) .............................................................. 1.398 x 10 hrs
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Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797
DB Series
2:1 Input Voltage Range 40 Watt DC/DC Converter Single, Dual, and Triple Outputs
SPECIFICATIONS (CONTINUED)
All specifications apply @ 25C ambient unless otherwise noted
PHYSICAL SPECIFICATIONS
Weight .................................................................................... 60g (2.11 oz) Dimensions ................. 2.02 x 2.02 x 0.40 inches (51.3 x 51.3 x 10.2 mm) Case Material ............................................................ Nickel-coated copper Base Material .................................................... Non-conductive black FR4 Potting material ................................................................Epoxy (UL94-V0) Shielding .................................................................................... six - sided
SAFETY & EMC (See Note 11)
Approvals and Standards .................. IEC60950-1, UL60950-1, EN60950-1 Conducted Emissions................. EN55022 ...................................... Class A Radiated Emissions.................... EN55022 ...................................... Class A ESD ............................................ EN61000-4-2.....................Perf. Criteria B Radiated Immunity...................... EN61000-4-3..................... Perf. Criteria A Fast Transient............................. EN61000-4-4.....................Perf. Criteria B Surge .......................................... EN61000-4-5.....................Perf. Criteria B Conducted Immunity................... EN61000-4-6.................... Perf. Criteria A
Due to advances in technology, specifications subject to change without notice
OUTPUT VOLTAGE / CURRENT RATING CHART
Model Number DB12S1.5-12 DB12S1.8-14 DB12S2.5-20 DB12S3.3-26 DB12S5-40 DB12S12-40 DB12S15-40 DB12D12-40 DB12D15-40 DB12D3.3-5-33 DB12T3.3-12-31 DB12T3.3-15-31 DB12T5-12-40 DB12T5-15-40 DB24S1.5-12 DB24S1.8-14 DB24S2.5-20 DB24S3.3-26 DB24S5-40 DB24S12-40 DB24S15-40 DB24D12-40 DB24D15-40 DB24D3.3-5-33 DB24T3.3-12-31 DB24T3.3-15-31 DB24T5-12-40 DB24T5-15-40 DB48S1.5-12 DB48S1.8-14 DB48S2.5-20 DB48S3.3-26 DB48S5-40 DB48S12-40 DB48S15-40 DB48D12-40 DB48D15-40 DB48D3.3-5-33 DB48T3.3-12-31 DB48T3.3-15-31 DB48T5-12-40 DB48T5-15-40 Input Range Output Voltage 1.5 VDC Output Current 8000mA 8000mA 8000mA 8000mA 8000mA Output (13) (14) Input Current Efficiency Ripple & Noise 84% 50mVp-p 1250mA 50mVp-p 1538mA 82% 50mVp-p 2083mA 84% 50mVp-p 2683mA 86% 50mVp-p 4065mA 86% Max Capacitive Load 45000F 37700F 27000F 21000F 13600F 2360F 1510F 1200F 750F 11000 / 6800F 13000 / 330F 13000 / 110F 6800 / 330F 6800 / 110F 45000F 37700F 27000F 21000F 13600F 2360F 1510F 1200F 750F 11000 / 6800F 13000 / 330F 13000 / 110F 6800 / 330F 6800 / 110F 45000F 37700F 27000F 21000F 13600F 2360F 1510F 1200F 750F 11000 / 6800F 13000 / 330F 13000 / 110F 6800 / 330F 6800 / 110F
(15)
12VDC (9 - 18 VDC)
1.8 VDC 2.5 VDC 3.3 VDC 5 VDC 12 VDC 15 VDC 12 VDC 15 VDC 3.3 / 5 VDC 3.3 / 12 VDC 3.3 / 15 VDC 5 / 12 VDC 5 / 15 VDC
1.5 VDC
3333mA 2666mA 1800mA 1400mA 4A / 4A (total 8A)(12) 6000mA / 400mA 6000mA / 300mA 6000mA / 400mA 6000mA / 300mA
8000mA 8000mA 8000mA 8000mA 8000mA
75mVp-p 75mVp-p 120mVp-p 150mVp-p 100mVp-p 50 / 75mVp-p 50 / 75mVp-p 50 / 75mVp-p 50 / 75mVp-p
50mVp-p 50mVp-p 50mVp-p 50mVp-p 50mVp-p
4065mA 4015mA 4444mA 4321mA 3416mA 3063mA 3000mA 4024mA 3963mA
649mA
86% 87% 85% 85% 85% 84% 84% 86%
86% 81%
24VDC (18 - 36 VDC)
1.8 VDC 2.5 VDC 3.3 VDC 5 VDC 12 VDC 15 VDC 12 VDC 15 VDC 3.3 / 5 VDC 3.3 / 12 VDC 3.3 / 15 VDC 5 / 12 VDC 5 / 15 VDC
1.5 VDC
3333mA 2666mA 1800mA 1400mA 4A / 4A (total 8A)(12) 6000mA / 400mA 6000mA / 300mA 6000mA / 400mA 6000mA / 300mA
8000mA 8000mA 8000mA 8000mA 8000mA
75mVp-p 75mVp-p 120mVp-p 150mVp-p 100mVp-p 50 / 75mVp-p 50 / 75mVp-p 50 / 75mVp-p 50 / 75mVp-p
50mVp-p 50mVp-p 50mVp-p 50mVp-p 50mVp-p
759mA 1016mA 1325mA 1961mA 2048mA 1985mA 2169mA 2108mA 1689mA 1512mA 1481mA 1989mA 1958mA
321mA 375mA 508mA 655mA 969mA 1000mA 992mA 1084mA 1054mA 823mA 747mA 732mA 982mA 967mA
83% 86% 87% 89% 88% 89% 87% 87% 86% 85% 85% 87% 87%
82% 84% 86% 88% 90% 89% 89% 87% 87% 88% 86% 86% 88% 88%
48VDC (36 - 75 VDC)
1.8 VDC 2.5 VDC 3.3 VDC 5 VDC 12 VDC 15 VDC 12 VDC 15 VDC 3.3 / 5 VDC 3.3 / 12 VDC 3.3 / 15 VDC 5 / 12 VDC 5 / 15 VDC
3333mA 2666mA 1800mA 1400mA 4A / 4A (total 8A)(12) 6000mA / 400mA 6000mA / 300mA 6000mA / 400mA 6000mA / 300mA
75mVp-p 75mVp-p 120mVp-p 150mVp-p 100mVp-p 50 / 75mVp-p 50 / 75mVp-p 50 / 75mVp-p 50 / 75mVp-p
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797
DB Series
2:1 Input Voltage Range 40 Watt DC/DC Converter Single, Dual, and Triple Outputs
NOTES
1. For single output: Maximum output deviation is 10% inclusive of remote sense and trim. If remote sense is not being used, the +Vsense should be connected to its corresponding +OUTPUT and likewise the -Vsense should be connected to its corresponding -OUTPUT. 2. Dual and triple outputs require a minimum 10% loading on the output to maintain specified regulation. Operation under no-load condition will not damage these devices, however they may not meet all listed specifications. 3. Load regulation for triple output: Main output (V1): 10% to 100% with 10% to 100% balanced on auxiliaries. Auxiliary outputs (V2 and V3): 10% to 100% balanced on all outputs. 4. Cross regulation for dual output: asymmetrical load 25% / 100% FL Cross regulation for triple output: Main output 100% load, auxiliary 100%, other auxiliary25% to 100%. Auxiliary outputs (V2 and V3): main output 100% load, auxiliary 100%, other auxiliary 25% to 100% or main output 25% auxiliary 25%, other auxiliary 25% to 100%. 5. The models of DBXXD3.3-5-33 are specified with 1F ceramic output capacitors. 6. Please add an external filter at converter input terminals when measuring input reflected ripple, as in Figure 1. L: Simulated source impedance of 12H. C: Nippon chemi-con KMF series, 220F/100V 7. The ON/OFF control pin voltage is referenced to the negative input. 8. Switching frequency for dual outputs: master (5Vo) 300KHz 10. Heat sink is optional. Please call factory for ordering details. 11. An external filter capacitor is required for EMC testing. The capacitor should be capable of handing 1A ripple current for 12V/24V/48V models. We suggest: Nippon chemi-con KMF series, 220F/100V, ESR 90m. 12. Any condition of dual output (3.3V / 5V) rated Iout current, not to exceed 8A of total output current. 13. Maximum value at nominal input voltage and full load. 14. Typical value at nominal input voltage and full load. 15. Test at minimum Vin and constant resistive load. slave (3.3Vo) 500KHz 9. BELLCORE TR-NWT-000332. Case I: 50% Stress, Temperature at 40C. (Ground fixed and controlled environment).
Figure 1
DERATING CURVES & EFFICIENCY GRAPHS
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797
DB Series
2:1 Input Voltage Range 40 Watt DC/DC Converter Single, Dual, and Triple Outputs
MECHANICAL DRAWING
1. All dimensions in inches (mm) Tolerance: X.XX0.02 (X.X0.5) X.XXX0.01 (X.XX0.25) 2. Pin pitch tolerance 0.014 (0.35)
PIN CONNECTION
PIN 1 2 3 4 5 6 7 8 9 SINGLE +Input -Input CTRL NC -Sense (Note 1) +Sense (Note 1) +Output -Output Trim DUAL +Input -Input CTRL No Pin +Output Com Com -Output Trim DUAL POSITIVE +Input -Input CTRL 3.3V 3.3V RTN (Com) NC NC 5V 5V RTN (Com) TRIPLE +Input -Input CTRL +AUX Com -AUX +Output -Output (Com) NC
EXTERNAL OUTPUT TRIMMING Output can be externally trimmed by using the method shown below. ( ) for dual output trim
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797

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