DC-DC
60-100 Watts
DCM Series
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xppower.com
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
• 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
General
Efficiency
Isolation Voltage
• 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/In
3
DCM100: 7.40 W/In
3
• DCM60: 740 kHrs per MIL-HDBK-217F
DCM100: 540 kHrs per MIL-HDBK-217F
Switching Frequency
Power Density
MTBF
Output
• 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
Output Voltage
Output Voltage Trim
Minimum Load
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
• 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)
EFT/Burst
Surge
Conducted Immunity
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.
Narrow & Wide
Band Noise
Safety Approvals
XPPOWER [ XP POWER LIMITED ]
