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DBW48D12-40 Datasheet(PDF) 1 Page - Wall Industries,Inc. |
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DBW48D12-40 Datasheet(HTML) 1 Page - Wall Industries,Inc. |
1 / 3 page Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797 DBW Series Single and Dual Outputs 40 Watt DC/DC Converter 4:1 Ultra Wide Input Voltage Range FEATURES ● High Efficiency up to 88% ● RoHS Directive Compliant ● Fixed Switching Frequency ● Six-Sided Continuous Shield ● 40 Watts Maximum Output power ● Single and Dual Outputs Available ● 4:1 Ultra Wide Input Voltage Range ● Standard 2.02” x 2.02” x 0.4” Package SPECIFICATIONS: DBW Series All specifications apply @ 25°C ambient unless otherwise noted INPUT SPECIFICATIONS Input Voltage Range ............ 24V nominal input ........................ 9 - 36VDC 48V nominal input ...................... 18 - 75VDC Under Voltage Lockout 24V nominal input........... DC-DC ON..........................................9 VDC DC-DC OFF ........................................8 VDC 48V nominal input........... DC-DC ON........................................18 VDC DC-DC OFF ......................................16 VDC Input Filter ....................................................................................... Pi Type Input Voltage Variation......... dv/dt ............................................ 5V/ms max (Complies with ETS300 132 part 4.4) Input Surge Voltage (100ms max) ............... 24V input ...................50VDC 48V input .................100VDC Input Reflected Ripple Current (nominal Vin and FL) ...................20mAp-p Start Up Time (nominal Vin and constant resistive load) Power Up..............................................................................20ms max. Remote ON/OFF ..................................................................20ms max. Remote ON/OFF (See Note 4) Positive Logic ................ DC-DC ON................Open or 3V < Vr < 12V DC-DC OFF .............Short or 0V < Vr < 1.2V Negative Logic ............... DC-DC ON...............Short or 0V < Vr < 1.2V DC-DC OFF ..............Open or 3V < Vr < 12V Remote Off Input Current (nominal Vin) ..............................................3mA OUTPUT SPECIFICATIONS Output Voltage ..............................................................................see table Voltage Accuracy (nom Vin and full load) ........................................... ±1% Voltage Adjustability (See Note 1) ..................................................... ±10% Output Current ..............................................................................see table Output Power ........................................................................ 40 watts max. Line Regulation (LL to HL at FL)....................................................... ±0.2% Load Regulation (See Note 2) ..................... Single Output............. ±0.5% (min. load to 100% load) Dual Output ................... ±1% Load Cross Regulation (See Note 3) ........... Dual Output ................... ±5% Minimum Load (See Note 8) .........................................................see table Ripple/Noise (See Note 9) ............................................................see table Transient Response Recovery Time..................................................250us (25% load step change) PROTECTION SPECIFICATIONS Over Voltage Protection ................................... 3.3V Output................. 3.9V (Zener diode clamp) 5V Output.................... 6.2V 12V Output................... 15V 15V Output................... 18V ±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 .......................................................110°C typ. GENERAL SPECIFICATIONS Efficiency ........................................................................................see table Switching Frequency .................................................................300KHz typ. Isolation Voltage (Input to Output)......................................... 1600VDC min. Isolation Voltage (Input/Output to Case) ............................... 1600VDC min. Case Grounding (connect case to -Vin with decoupling Y cap) ........... TBD Isolation Resistance ...............................................................10 9 ohms min. Isolation Capacitance ............................................................. 1500pF max. ENVIRONMENTAL SPECIFICATIONS Operating Ambient Temperature ............. -40°C to +55°C (without derating) +55°C to +105°C (with derating) Storage Temperature .......................................................... -55°C ~ +125°C Maximum Case Temperature ........................................................... +105°C Relative Humidity...................................................................5% to 95% RH Temperature Coefficient ................................................... ±0.02% / °C max. Thermal Impedance (See Note 6) Without Heat-Sink.............................................................. 9.2°C / Watt With Heat-Sink..................................................................... 7.6°C/Watt Thermal Shock .................................................................... MIL-STD-810D Vibration ................................10~55Hz, 10G, 30 minutes along X, Y, and Z MTBF (See Note 5) ........Bellcore TR-NWT-000332............ 1.105 x 10 6 hrs MIL-STD-217F ............................. 1.511 x 10 5 hrs UL TUV CB CE MARK |
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