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Specifications
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Input
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Input Voltage
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85-264 VAC (120-370 VDC) derate load from 100% at 90 VAC to 90% at 85 VAC
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Input Frequency
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47-63 Hz
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Input Current
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ECE20: 0.3 A rms at 230 VAC ECE40: 0.5 A rms at 230 VAC
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Inrush Current
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20 A at 115 VAC, 40 A at 230 VAC, cold start at 25 °C
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Power Factor
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EN61000-3-2 Class A
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Earth Leakage Current
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Class II construction no earth
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No Load Input Power
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<0.3 W
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Input Protection
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ECE20: Internal T1 A/250 VAC fuse ECE40: Internal T2 A/250 VAC fuse
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Output
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Output Voltage
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See datasheet
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Initial Set Accuracy
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±1%
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Minimum Load
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No minimum load required
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Start Up Delay
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2 s max
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Start Up Rise Time
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16 ms max
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Hold Up Time
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8 ms minimum at full load & 115 VAC
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Line Regulation
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±0.5% max
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Load Regulation
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±1% max, ±2% max for ECE40US03/05-S
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Transient Response
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4% max deviation, recovery to within 1% in 500 μs for a 25% load change
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Ripple & Noise
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3.3-5 V versions: 60 mV pk-pk, 3.3-5 V ‘ECE40-S’ versions: 75 mV pk-pk (see note 5), all other models 1% pk-pk max 20 MHz bandwidth
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Overvoltage Protection
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115-140% Vnom, auto recovery
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Overload Protection
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110-180%
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Short Circuit Protection
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Trip and restart (hiccup mode)
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Temperature Coefficient
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0.05%/°C
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General
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Efficiency
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See datasheet
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Isolation
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3000 VAC Input to Output
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Switching Frequency
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70 kHz typical
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Power Density
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ECE20: 9.97 W/In3 ECE40: 7.58 W/In3
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MTBF
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>450 kHrs to MIL-HDBK-217F at 25 °C, GB
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Environmental
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Operating Temperature
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-25 °C to +70 °C, derate linearly from 100% at +50 °C to 50% at +70 °C
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Cooling
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Convection-cooled
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Operating Humidity
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95% RH, non-condensing
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Storage Temperature
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-40 °C to +85 °C
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Operating Altitude
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3000 m
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Vibration
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2 g, 10 Hz to 500 kHz, 10 mins/cycle, 60 mins each cycle
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EMC and Safety
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Emissions
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EN55022, level B conducted & radiated
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Harmonic Currents
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EN61000-3-2, EN61000-3-3
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ESD Immunity
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EN61000-4-2, level 3 Perf Criteria A
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Radiated Immunity
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EN61000-4-3, 10 V/m 80% mod Perf Criteria A
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EFT/Burst
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EN61000-4-4, level 3 Perf Criteria A
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Surge
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EN61000-4-5, installation Class 3, Perf Criteria A
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Conducted Immunity
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EN61000-4-6, 10 Vrms Perf Criteria A
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Magnetic Fields
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EN61000-4-8, 10 A/m Perf Criteria A
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Dips & Interruptions
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EN61000-4-11, 30% for 10 ms, 60% for 100 ms, 100% for 5000 ms Perf Criteria A, B, B
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Safety Approvals
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EN60950-1, UL60950-1, CSA22.2 No. 234 per cUL
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