Specifications
Input
Input Voltage Range 48 VDC nominal (36 - 75 VDC). Can be configured as -48 VDC input. See datasheet.
Input Current DCM60: 1.5 A typical, 2.5 A max, DCM100: 2.2 A typical. 3.5 A max.
Input Reverse Voltage Protection Continuous protection with automatic recovery
Input Transient Compliant with ETSI EN300 132: 2003
Undervoltage Lockout Protection 32 - 35 VDC

Output
Output Voltage 12 V, see datasheet
Output Voltage Trim ± 10% via potentiometer
Minimum Load 5% minimum load required to meet all specification parameters
Line Regulation ± 0.5% of nominal with input variation of 36-75 VDC
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/? S. Output returns to within 1% in less than 500? S
Ripple & Noise 1% max pk-pk 20MHz bandwidth, 0.1? F capacitor connected across measuring points. See datasheet.
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. See datasheet.
Temperature Coefficient 0.02%/° C (after 20 minute warm up)

General
Efficiency 85% typical
Isolation Voltage 1500 VDC Input to Output (basic insulation), 1000 VDC Input to Ground, 500 VDC Output to Ground.
Switching Frequency 70 KHz typical
Power Density DCM60: 6.30 W/cubic inch, DCM100: 7.40 W/cubic inch
MTBF 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. See datasheet.
Cooling Convection or forced cooled. See datasheet.
Operating Humidity 0 to 95% RH non condensing
Storage Temperature -40 ° C to +80 ° C. See datasheet.
Storage Humidity 0 to 95% RH non condensing. See datasheet.
Operating Altitude 3000m. See datasheet.
Shock ± 3 shocks in each axis (total 18 shocks) 30g 11ms (half sine). See datasheet.
Vibration 2g, 10 - 500Hz 10 sweeps. See datasheet

EMC and Safety
Emissions Compliant with EN61204-3 2000, EN55022 class A conducted & radiated (See datasheet), ETSI EN 300 132-2 2003, ETSI 300 386-1 1994, NEBS GR-1089-CORE issue 4
EFT/Burst Compliant with EN61000-4-4 level 1 Perf Criteria A, ETSI 300 386-1 1994
Surge EN61000-4-5 level 1 Perf Criteria A
Conducted Immunity Compliant with EN61000-4-6 level 2 Perf Criteria A, ETSI 300 386-1 1994, NEBS GR-1089-Core issue 4
Narrow & Wide Band Noise ETSI EN 300 132-2 2003
Safety Approvals EN60950-1 2001 + A11 2004, UL60950-1 (2003), CSA-C22.2 No. 60950-1-03, CB Report IEC60950-1: 2001, CE Marked to LVD (See datasheet)

Model Number Input Output Power Back to top
DCM6048S12 36-75 VDC or -48 VDC 12 V/5 A 60 W