250 Watts
SDR Series
xppower.com
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3.2” x 5” Footprint
Fits 1U Applications
Low Leakage Current Option
Up to 600 W Peak Power
Single & Dual Outputs
Top Fan & Convection-cooled Versions
Output Voltages from 5 V to 60 V
Specification
Input
General
Input Voltage
• 90-132 VAC/180-264 VAC,
auto ranging
Efficiency
• Single output models: 3.3 V & 5 V models
70ꢀ, 12 V models 80ꢀ, all other models
>83ꢀ at 230 V & full load. Dual output
models: >70ꢀ at 230 V & full load
Input Frequency
Input Current
• 47-63 Hz
• 6 A at 115 VAC, 3 A at 230 VAC
Isolation
• 3000 VAC Input to Output
1500 VAC Input to Ground
100 VDC Output to Ground
Inrush Current
• Max 70 A at 230 VAC, 35 A at 115 VAC,
cold start
Power Factor
• To EN61000-3-2 Class A
Switching Frequency
Power Density
Signals
• 30 kHz typical
• 10.4 W/in3
Earth Leakage Current • <1.5 mA at 264 VAC,
option ‘-L’ 500 µA leakage current
• Power Good goes Hi 100-500 ms after
output is in regulation and goes Lo at least
1 ms before loss of regulation
Input Protection
• Fitted with a T6.3 A/250 V fuse on dual
output models, T8 A/250 V fuse on single
output models
MTBF
• 100 kHrs to MIL-HDBK-217F
Output
Environmental
Output Voltage
• See tables
Operating Temperature • 0 °C to +70 °C, derate at 2.5ꢀ/ °C from
+50 °C to +70 °C for single output &
forced air cooled dual output models.
For convection cooled dual output
Output Voltage Trim
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5ꢀ on V1 ꢁV2 of dual output models will
track by same ꢀ of adjustment)
Initial Set Accuracy
Minimum Load
•
1ꢀ
• 1ꢀ on single output models,
10ꢀ on dual output models
models, see note 7.
Storage Temperature
Operating Humidity
Storage Humidity
Cooling
• -20 °C to +85 °C
Start Up Delay
Start Up Rise Time
Hold Up Time
• 1.5 s max at 120 VAC
• 50 ms typical
• 5-90ꢀ, non-condensing
• 5-90ꢀ, non-condensing
• 20 ms min at 80ꢀ of full load
• ‘-F’ version has built-in fan, others require
16 CFM to meet forced air ratings
Line Regulation
Load Regulation
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0.5ꢀ
1ꢀ 1-100ꢀ load for single outputs
3ꢀ V1, 7ꢀ V2 for dual outputs
ꢁexcept 0312 & 0512 models, 10ꢀ
regulation on V2)
Operating Altitude
Vibration
• 3000 m
• 5-50 Hz, acceleration 7.35 m/s2 on
X, Y and Z axis
Over/Undershoot
• 5ꢀ max
EMC & Safety
Transient Response
• 5ꢀ max deviation, recovery to within
1ꢀ in 500 µs for a 50ꢀ load change
Emissions
• FCC Part 15 & EN55022
Level B conducted
Ripple & Noise
• 1ꢀ pk-pk, see note 3
Harmonic Currents
ESD Immunity
Radiated Immunity
EFT/Burst
• EN61000-3-2, EN61000-3-3
Overvoltage Protection • 105-130ꢀ Vnom on output V1,
• EN61000-4-2, level 3 Perf Criteria A
• EN61000-4-3, 3 V/m Perf Criteria A
• EN61000-4-4, level 2 Perf Criteria A
• EN61000-4-5, level 3 Perf Criteria A
• EN61000-4-6, 3V Perf Criteria A
recyle input to reset
Overtemperature
Protection
• Measured internally with auto recovery
Surge
Overload Protection
• 110-140ꢀ
Conducted Immunity
Dips & Interruptions
Short Circuit Protection • Trip & restart ꢁHiccup mode), auto recovery
T
T
• EN61000-4-11 70ꢀ U for 10 ms, 40ꢀ U
Remote On/Off
Fan Supply
• Requires a low signal to inhibit output
T
for 100 ms, <5ꢀ U for 5000 ms
• 12 VDC, 300 mA, not available on
‘-F’ version with built-in fan
Perf Criteria A, B, B
• UL60950-1, CSA C22.2 No. 950,
EN60950-1:2001, CE Mark LVD
Safety Approvals