20/40 Watts
ECE Series
xppower.com
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Ultra Compact Size
Single Outputs from 3.3 to 48 V
Encapsulated
PCB & Chassis Mount Versions
Class II Construction
Peak Load Capability
3 Year Warranty
GREEN•POWER
Specification
Input
General
Input Voltage
• 85-264 VAC (120-370 VDC) derate load
Efficiency
• See tables
from 100% at 90 VAC to 90% at 85 VAC
• 47-63 Hz
• ECE20: 0.3 A rms at 230 VAC
ECE40: 0.5 A rms at 230 VAC
Isolation
• 3000 VAC Input to Output
• 70 kHz typical
Input Frequency
Input Current
Switching Frequency
Power Density
3
• ECE20: 9.97 W/In
3
ECE40: 7.58 W/In
Power Factor
Inrush Current
• EN61000-3-2 Class A
• 20 A at 115 VAC, 40 A at 230 VAC,
cold start at 25 °C
MTBF
• >450 kHrs to MIL-HDBK-217F at 25 °C, GB
Environmental
Earth Leakage Current • Class II construction no earth
Input Protection
Operating Temperature • -25 °C to +70 °C, derate linearly from
• ECE20: Internal T1 A/250 VAC fuse
ECE40: Internal T2 A/250 VAC fuse
100% at +50 °C to 50% at +70 °C
• Convection-cooled
• 95% RH, non-condensing
Cooling
No Load Input Power • <0.3 W
Operating Humidity
Storage Temperature • -40 °C to +85 °C
Output
Operating Altitude
Vibration
• 3000 m
Output Voltage
Initial Set Accuracy
Minimum Load
• See tables
1%
• No minimum load required
• 2 s max
• 16 ms max
• 8 ms minimum at full load & 115 VAC
• 2 g, 10 Hz to 500 kHz, 10 mins/cycle,
60 mins each cycle
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Start Up Delay
EMC & Safety
Start Up Rise Time
Hold Up Time
Emissions
• EN55022, level B conducted & radiated
• EN61000-3-2, EN61000-3-3
• EN61000-4-2, level 3 Perf Criteria A
• EN61000-4-3, 10 V/m 80% mod
Perf Criteria A
Harmonic Currents
ESD Immunity
Radiated Immunity
Line Regulation
Load Regulation
Transient Response
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0.5% max
1% max, 2% max for ECE40US03/05-S
• 4% max deviation, recovery to within
1% in 500 µs for a 25% load change
• 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
EFT/Burst
Surge
• EN61000-4-4, level 3 Perf Criteria A
• EN61000-4-5, installation Class 3,
Perf Criteria A
Ripple & Noise
Conducted Immunity
Magnetic Fields
• EN61000-4-6, 10 Vrms Perf Criteria A
• EN61000-4-8, 10 A/m Perf Criteria A
Overvoltage Protection • 115-140% Vnom, auto recovery
Overload Protection • 110-180%
Short Circuit Protection • Trip and restart (Hiccup mode)
Dips & Interruptions
• EN61000-4-11, 30% for 10 ms,
60% for 100 ms, 100% for 5000 ms
Perf Criteria A, B, B
Temperature
Coefficient
• 0.05%/°C
Safety Approvals
• EN60950-1, UL60950-1,
CSA22.2 No. 234 per cUL
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