DC-DC 60-100 Watts xppower.com DCM Series • Open Frame Telecom DC-DC Converter • -48 VDC Input • ETSI Compliant • NEBS Compliant • Convection-cooled • High Power Density in 2 Small Package Sizes • Covered Versions Available Specification Input Input Voltage Range Input Current Input Reverse Voltage Protection Input Transient Undervoltage Lockout Protection General • 48 VDC nominal (36 - 75 VDC). Can be configured as -48 VDC input (6) • DCM60: 1.5 A typical, 2.5 A max, DCM100: 2.2 A typical. 3.5 A max. • Continuous protection with automatic recovery • Compliant with ETSI EN300 132:2003 • 32 - 35V DC Output Output Voltage Output Voltage Trim Minimum Load • 12 V, see table • ±10% via potentiometer • 5% minimum load required to meet all specification parameters Line Regulation • ±0.5% of nominal with input variation of 36-75V DC Load Regulation • ±1% of nominal with load variation 5-100% Setpoint Accuracy • ±1% of nominal with 48V DC input and 50% load Turn-on Time • 1 s typical from application of DC input Transient Response • <4% deviation with a 50-75-50% load change at 1 A/µs. Output returns to within 1% in less than 500 µs Ripple & Noise • 1% max pk-pk 20MHz bandwidth, 0.1 µF capacitor connected across measuring points (6) Overvoltage Protection • 115-135% of nominal, recycle input DC to reset Overcurrent Protection • 105-150% of max current Short Circuit Protection • Continuous protection, trip and restart (hiccup mode) characteristic (6) Temperature • 0.02%/°C (after 20 minute warm up) Coefficient Notes 1. Compliant with ETS 300 019-1-3 May 1992 + ammendment 1 June 1997 class 3.1. 2. Compliant with ETS 300 019-1-1 Feb 1992 class 1.1, ETS 300 019-1-2 Feb 1992 class 2.2. 3. Compliant with NEBS GR-63-Core issue 3. 4. Compliant with EN60068-2-27. 5. Compliant with EN60068-2-6. 6. For further product information, see longform datasheet. 7. For -48VDC class B operation , see longform datasheet. Efficiency Isolation Voltage Switching Frequency Power Density MTBF • 85% typical • 1500 VDC Input to Output (basic insulation), 1000 VDC Input to Ground, 500 VDC Output to Ground. • 70 kHz typical • DCM60: 6.30 W/In3 DCM100: 7.40 W/In3 • DCM60: 740 kHrs per MIL-HDBK-217F DCM100: 540 kHrs per MIL-HDBK-217F Environmental Operating Temperature • 0 °C to +50 °C with full load, derate linearly to 50% load at 70 °C convection cooled. 0°C to 60°C with full load, derate linearly to 75% load at 70 °C with force cooling 5CFM minimum (6) Cooling • Convection or forced cooled (6) (see operating temperature) Operating Humidity • 0 to 95% RH non condensing. (1,3) Storage Temperature • -40 °C to +80 °C. (2,3) Storage Humidity • 0 to 95% RH non condensing.(2,3) Operating Altitude • 3000m.(3) Shock • ±3 shocks in each axis (total 18 shocks) 30g 11ms (half sine). (1,4) Vibration • 2g, 10 - 500Hz 10 sweeps. (1,5) EMC & Safety Emissions EFT/Burst Surge Conducted Immunity Narrow & Wide Band Noise Safety Approvals • Compliant with EN61204-3 2000, EN55022 class A conducted & radiated(7) , ETSI EN 300 132-2 2003, ETSI 300 386-1 1994, NEBS GR-1089-CORE issue 4 • Compliant with EN61000-4-4 level 1 Perf Criteria A, ETSI 300 386-1 1994 • EN61000-4-5 level 1 Perf Criteria A, • Compliant with EN61000-4-6 level 2 Perf Criteria A, ETSI 300 386-1 1994, NEBS GR-1089-Core issue 4 • ETSI EN 300 132-2 2003 • EN60950-1 2001 + A11 2004, UL60950-1 (2003), CSA-C22.2 No. 60950-1-03, CB Report IEC60950-1:2001, CE Marked to LVD (6) Output Voltage Min 0.25 A 0.40 A 12 V 12 V Output Current Max - Convection-cooling 5.00 A 7.50 A Max - 5CFM forced-cooling 5.00 A 8.30 A Model Number DCM6048S12 DCM10048S12 Notes 1. For a fitted cover version, add suffix “C” to model number (power derates by 20% with cover fitted) Mechanical Details DCM60 Input Connector J1 Pin 1 -Vin Pin 2 +Vin 4.00 (101.6) 1.20 (30.5) 3.750 (95.25) 0.125 (3.17) Output Connector J2 Pin Single 1 +12V 2 +12V 3 RTN 4 RTN 5 NC 6 NC 1 2.00 (50.8) + 1.750 (44.45) J2 2 J1 1 1.61 (41.0) - 6 0.87 (22.2) 0.21 (5.4) 0.125 (3.18) GROUND CONNECTIONS THROUGH MOUNTING HOLES 0.20 (5.1) J1 mates with Molex housing 43061-0003 & Molex series 5194 crimp terminals 0.14 (3.5) J2 mates with Molex housing 43061-0006 & Molex series 5194 crimp terminals SMD COMPONENT HEIGHT 4X ø 0.156 (3.96) MOUNTING HOLES ø0.312 (7.92) CLEARANCE TOP AND BOTTOM DCM100 4.50 (114.3) 4.25 (107.95) 0.125 (3.17) 1.20 (30.5) Input Connector J1 Pin 1 -Vin Pin 2 +Vin J1 mates with Molex housing 43061-0003 & Molex series 5194 crimp terminals 1 2.25 (57.15) 2.50 (63.5) + 2 J2 1 2.10 (53.3) - J1 1.29 (32.8) 12 0.20 (5.1) 0.125 (3.18) .20 (5.1) GROUND CONNECTIONS THROUGH MOUNTING HOLES 0.14 (3.5) SMD COMPONENT HEIGHT 4X ø 0.156 (3.96) MOUNTING HOLES ø0.312 (7.92) CLEARANCE TOP AND BOTTOM Output Connector J2 Pin Single 1 +12V 2 +12V 3 +12V 4 +12V 5 RTN 6 RTN 7 RTN 8 RTN 9 NC 10 NC 11 NC 12 NC J2 mates with Molex housing 43061-0012 & Molex series 5194 crimp terminals Notes 1. All dimensions in inches (mm). Tolerance .xx = ±0.02 (0.50); .xxx = ±0.01 (0.25) 2. Cover kits available separately, order part number no. ECM40/60 COVER (4.49 x 2.52 x 1.52 (114 x 64 x 38.5)) for DCM60 or part no. ECM100 COVER (4.96 x 3.05 x 1.52 (126 x 77.5 x 38.5)) for DCM100. Output power derates by 20% with cover fitted. 15-Oct-07 DC-DC DCM Models and Ratings