CMDBW Series Rev. B 40 Watt Single Output Chassis Mount DC/DC Converter 4:1 Ultra Wide Input Voltage Range FEATURES ● High Efficiency up to 88% UL ● RoHS Directive Compliant TUV ● Fixed Switching Frequency CB CE MARK ● Six-Sided Continuous Shield ● 40 Watts Maximum Output power ● 4:1 Ultra Wide Input Voltage Range ● Call Factory for More Output Power Options ● Chassis Mount Options: Open Frame, U Channel, and Enclosed Types Available SPECIFICATIONS: CMDBW Series All specifications apply @ 25°C ambient unless otherwise noted INPUT SPECIFICATIONS GENERAL SPECIFICATIONS Input Voltage Range ............ 24V nominal input ........................ 9 - 36VDC 48V nominal input ...................... 18 - 75VDC Efficiency ........................................................................................see table 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 Isolation Voltage Input to Output ................................................................... 1600VDC min. Input to Case ..................................................................... 1600VDC min. Output to Case................................................................... 1600VDC min. Input Voltage Variation......... dv/dt ............................................ 5V/ms max (Complies with ETS300 132 part 4.4) Isolation Capacitance ............................................................. 1500pF max. 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 1) 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 Switching Frequency .................................................................300KHz typ. 9 Isolation Resistance ...............................................................10 ohms min. 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 3) 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 6 Output Voltage ..............................................................................see table MTBF (See Note 2) ........Bellcore TR-NWT-000332............ 1.105 x 10 hrs 5 MIL-STD-217F ............................. 1.511 x 10 hrs Voltage Accuracy (nom Vin and full load) ........................................... ±1% PHYSICAL SPECIFICATIONS Voltage Adjustability........................................................................... ±10% Potting material of the DC/DC Converter ..........................Epoxy (UL94-V0) Output Current ..............................................................................see table Shielding of the DC/DC Converter............................................... six – sided Output Power ........................................................................ 40 watts max. Weight ............................................................................Approximately 7 oz Line Regulation (LL to HL at FL)....................................................... ±0.2% Dimensions............................................ 4.00(L) x 2.25(W) x 0.81(H) inches Load Regulation (min. load to 100% load)....................................... ±0.5% SAFETY &EMC SPECIFICATIONS Minimum Load ..............................................................................see table Approvals and Standards .................. IEC60950-1, UL60950-1, EN60950-1 Ripple/Noise (See Note 4) ............................................................see table Conducted Emissions................. EN55022 ...................................... Class A Transient Response Recovery Time..................................................250us (25% load step change) Radiated Emissions.................... EN55022........................................... Class A 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 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 Over Load Protection (% of FL at nominal input)...................... 150% max. Short Circuit Protection .................................... Hiccup, automatic recovery Over Temperature Protection .................................................... 110°C typ. Due to advances in technology, specifications subject to change without notice Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797 CMDBW Series 40 Watt Single Output Chassis Mount DC/DC Converter 4:1 Ultra Wide Input Voltage Range Rev. B OUTPUT VOLTAGE / CURRENT RATING CHART Model Number Input Range CMDBW24S3.3-33 Output Current (6) Output Voltage Min. Load Full Load Output Ripple & Noise 3.3 VDC 0mA 10,000mA Input Current (7) (8) Eff. (9) Max Capacitive (10) Load No load Full Load 50mVp-p 80mA 1677mA 86% 25,750µF CMDBW24S5-40 24VDC 5 VDC 0mA 8000mA 50mVp-p 100mA 1984mA 88% 13,600µF CMDBW24S12-40 (9 – 36 VDC) 12 VDC 0mA 3333mA 75mVp-p 100mA 1984mA 88% 2360µF CMDBW24S15-40 15 VDC 0mA 2666mA 75mVp-p 110mA 1984mA 88% 1510µF CMDBW48S3.3-33 3.3 VDC 0mA 10,000mA 50mVp-p 50mA 838mA 86% 25,750µF CMDBW48S5-40 48VDC 5 VDC 0mA 8000mA 50mVp-p 50mA 992mA 88% 13,600µF CMDBW48S12-40 (18 – 75 VDC) 12 VDC 0mA 3333mA 75mVp-p 70mA 992mA 88% 2360µF 15 VDC 0mA 2666mA 75mVp-p 70mA 992mA 88% 1510µF CMDBW48S15-40 NOTES 1. The ON/OFF control function: There are positive (standard) and negative logic (option). The pin voltage is referenced to negative input. To order negative logic ON/OFF control add the suffix “R” to the part number (Ex: CMDBW48S5-40R) 2. BELLCORE TR-NWT-000332. Case I: 50% Stress, Temperature at 40ºC. (Ground fixed and controlled environment). MIL-STD-217F Notice2 @ Ta=25°C, Full Load (Ground, Benign, controlled environment). 3. Heat sink is optional. Please call factory for ordering details. 4. Output ripple & noise measured with a 0.1µF/50V MLCC. 5. Typical Value at nominal input voltage. 6. Maximum value at nominal input voltage and full load 7. Typical Value at nominal input voltage and full load. 8. Test by minimum Vin and constant resistive load. 9. Chassis Mount Options: No suffix for open frame, “U” suffix for U Channel, and “E” suffix for Enclosed type. DERATING CURVES & EFFICIENCY GRAPHS Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797 CMDBW Series 40 Watt Single Output Chassis Mount DC/DC Converter 4:1 Ultra Wide Input Voltage Range Rev. B MECHANICAL DRAWING Unit: inches [mm] TRM + Out -Out -Vin CNTL + Vin 4.00 [101.6] MODEL NAME LABEL 2.25 [57.2] .17 [4.3] 1.13 [28.6] 3.66 [93.0] .16 [4.06] 2X Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797 .81 [20.6]