DMA21248S12 XPPOWER | Alldatasheet
Document overview
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Technical content
212 Watts
- Open Frame Telecom DC-DC Converter
- -48 VDC Input
- ETSI Compliant
- NEBS Compliant
- 5 V Standby & 12 V Fan Outputs
- Remote On/Off & Power Good Signal
- AC Input Version Available (EMA212) DMA Series Input Input Voltage Range• 48 VDC nominal (36 - 75 VDC). Can be configured as -48 VDC input Input Current • 5 A typical. 7 A max. Input Reverse Voltage• Continuous protection with Protection automatic recovery Input Transient • Compliant with ETSI EN300 132:2003 Undervoltage Lockout• 32 - 35V DC Protection Fusing • 15 A F rated in -ve line Output Output Voltage • V1: 12 V, see table Output Voltage Trim• Not fitted Minimum Load • 10% minimum load required on V1 to meet all specification parameters of V2 & V3. Line Regulation • V1:±0.5%, V2: ±5%, V3:±3% of nominal with input variation of 36-75 VDC Load Regulation • V1:±1%, V2: ±5%, V3:±3% of nominal with load variation 10-100% Setpoint Accuracy • V1:±1%, V2: ±5%, V3:±3% of nominal with 48V DC input and 50% load Turn-on Time • 2 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 Overvoltage Protection• V1:115-140% of nominal, recycle input DC to reset Overload Protection • V1:110-125% of max current Short Circuit Protection• Continuous protection, trip and restart (hiccup mode) characteristic Temperature • 0.02%/°C (after 20 minute warm up) Coefficient xppower.com General Efficiency • 88% typical Isolation Voltage • 1500 VDC Input to Output (basic insulation), 1000 VDC Input to Ground, 500 VDC Output to Ground. Switching Frequency • 60 kHz typical Power Density • 11 W/In3 Signals • Combined input & DC OK - Open collector referenced to output 0 V, transistor normally off when input & output good. Input fail provides≥5 ms warning of loss of output from input failure. DC OK provides warning of DC output failure. MTBF • 550 kHrs per MIL-HDBK-217F Environmental Operating Temperature• 0 °C to +50 °C with full load, derate linearly to 50% load at 70 °C with force cooling 10CFM minimum Cooling • Forced cooled (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 • EN61204-3 2000, EN55022 class A conducted & radiated, ETSI EN 300 132-2 2003, ETSI 300 386-1 1994, NEBS GR- 1089-CORE issue 4 EFT/Burst • EN61000-4-4 level 1 Perf Criteria A, ETSI 300 386-1 1994 Surge • EN61000-4-5 level 1 Perf Criteria A, Conducted Immunity • EN61000-4-6 level 2 Perf Criteria A, ETSI 300 386-1 1994, NEBS GR-1089-Core issue 4 Narrow & Wide • ETSI EN 300 132-2 2003 Band Noise Safety Approvals • EN60950-1:2006, CSA-C22.2 No. 60950- 1-03, CB Report IEC60950-1:2005, CE Marked to LVD 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.
- Units supplied with screw terminal (CN2) as standard. For faston type, add suffix ‘-F’ to the part number. 3. All 4 mounting positions should be connected to safety earth. 4. The air flow needs to be directed through the power supply within the end application. Max Output Power (10 CFM Air Flow) Output Voltage Output Current (10 CFM Airflow) Fan Output Standby Supply Model Number AIR FLOW
12 CFM
4 X ø 0.14 (3.5) MOUNTING HOLES CN3 (SCREW TYPE)CN1 (SCREW TYPE) SAFETY EARTH - 4.8 mm Faston 5.00 (127.0) 4.55 (115.6) 0.22 (5.7)0.22 (5.7) 2.55 (64.8) 0.62 (15.8) 1.28 (32.6) 0.06 (1.6) 0.23 (5.7) 1.14 (28.9) 0.23 (5.7) CN2 CN2 0.08 (2.0) PIN CONNECTIONS - CN2 1 +V2
2 V2 Return
3 V2 Return
4 ROF
5 ROF Return
6 Input Fail/DC OK
7 Current Share
2 V1 Return
0.25” Faston Earth Mating Connectors: CN2: Molex housing 51110- 1050 and crimp 50394- 8100.