60-100 Watts
DCM Series
xppower.com
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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
General
Input Voltage Range
• 48 VDC nominal (36 - 75 VDC).
Can be configured as -48 VDC input
Efficiency
• 85% typical
(6)
Isolation Voltage
• 1500 VDC Input to Output (basic
insulation), 1000 VDC Input to Ground,
500 VDC Output to Ground.
Input Current
• DCM60: 1.5 A typical, 2.5 A max,
DCM100: 2.2 A typical. 3.5 A max.
Input Reverse Voltage • Continuous protection with
Switching Frequency
Power Density
• 70 kHz typical
• DCM60: 6.30 W/In3
Protection
automatic recovery
Input Transient
• Compliant with ETSI EN300 132:2003
DCM100: 7.40 W/In3
Undervoltage Lockout • 32 - 35V DC
Protection
MTBF
• DCM60: 740 kHrs per MIL-HDBK-217F
DCM100: 540 kHrs per MIL-HDBK-217F
Output
Environmental
Output Voltage
• 12 V, see table
• 10% via potentiometer
Operating Temperature • 0 °C to +50 °C with full load, derate
linearly to 50% load at 70 °C convection
Output Voltage Trim
Minimum Load
cooled. 0°C to 60°C with full load, derate
• 5% minimum load required to meet all
specification parameters
linearly to 75% load at 70 °C with force
(6)
cooling 5CFM minimum
Line Regulation
Load Regulation
Setpoint Accuracy
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0.5% of nominal with input variation of
36-75V DC
(6)
Cooling
• Convection or forced cooled
(see operating temperature)
1% of nominal with load variation
5-100%
Operating Humidity
Storage Temperature
Storage Humidity
Operating Altitude
Shock
• 0 to 95% RH non condensing.(1,3)
(2,3)
• -40 °C to +80 °C.
1% of nominal with 48V DC input
and 50% load
• 0 to 95% RH non condensing.(2,3)
• 3000m.(3)
Turn-on Time
• 1 s typical from application of DC input
•
3 shocks in each axis (total 18 shocks)
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
(1,4)
30g 11ms (half sine).
(1,5)
Vibration
•
2g, 10 - 500Hz 10 sweeps.
Ripple & Noise
• 1% max pk-pk 20MHz bandwidth,
0.1 µF capacitor connected across
measuring points
EMC & Safety
(6)
Emissions
• 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
Overvoltage Protection • 115-135% of nominal,
recycle input DC to reset
Overcurrent Protection • 105-150% of max current
EFT/Burst
• Compliant with EN61000-4-4 level 1 Perf
Criteria A, ETSI 300 386-1 1994
Short Circuit Protection • Continuous protection, trip and restart
(6)
(hiccup mode) characteristic
Surge
• EN61000-4-5 level 1 Perf Criteria A,
Temperature
Coefficient
• 0.02%/°C (after 20 minute warm up)
Conducted Immunity
• Compliant with EN61000-4-6 level 2 Perf
Criteria A, ETSI 300 386-1 1994, NEBS
GR-1089-Core issue 4
Notes
Narrow & Wide
Band Noise
• ETSI EN 300 132-2 2003
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.
Safety Approvals
• EN60950-1 2001 + A11 2004, UL60950-1
(2003), CSA-C22.2 No. 60950-1-03,
CB Report IEC60950-1:2001,
6. For further product information, see longform datasheet.
7. For -48VDC class B operation , see longform datasheet.
(6)
CE Marked to LVD
XPPOWER [ XP POWER LIMITED ]
