Notes

1. Safety approvals cover frequency 47-63 Hz.

Specification

140 Watts

•

High Efficiency Resonant Topology

•

120/148 W - Convection/Forced-cooled Ratings

•

Class I & Class II Installations

•

12 V Fan Output as Standard

•

Remote Sense as Standard

•

5V Standby Option

•

Remote On/Off & Power OK Signals Option

•

IT, Industrial & Medical Safety Approvals

ECM140 Series

Input

Input Voltage

• 80-264 VAC (120-370 VDC), derate output

power <90 VAC (See derating curve)

Input Frequency

• 47-400 Hz (See note 1)

Input Current

• 2.5 A typical at 115 VAC, full load

1.3 A typical at 230 VAC, full load

Inrush Current

• 40 A max at 230 VAC, cold start (25 ºC)

Power Factor

• EN61000-3-2, class A

Earth Leakage Current

• 265 µA at 264 VAC/60 Hz max.

0.5/1.1 mA 115/230 VAC at 400 Hz typ.

Input Protection

• Internal T5.0 A/250 V fuse in line

and neutral

Output

Output Voltage

• 12-48 VDC (see tables)

Output Voltage Trim

• ±5%

Initial Set Accuracy

• ±1% V1, ±5% V2, ±3% V3

Minimum Load

• 0.1A required for V2 regulation when used.

Start Up Delay

• 1 s typical

Start Up Rise Time

• 50 ms

Hold Up Time

• 16 ms min at 115 VAC

Drift

• ±0.2% after 20 min warm up

Line Regulation

• ±0.5% max

Load Regulation

• ±1% V1, ±5% V2 & V3 max

Over/Undershoot

• 5% typical

Transient Response

• 4% max. deviation, recovery to within

1% in 500 µs for a 50-75-50% load

change

Ripple & Noise

• 1% pk-pk V1, others 2%,

20 MHz bandwidth

Overvoltage Protection • 115-140% Vnom, recycle input to reset

Overload Protection

• 110-150% V1 only

Short Circuit Protection • Continuous trip and restart (Hiccup mode)

Temperature

• 0.05%/˚C

Coefficient

Remote Sense

• Compensates for 0.5 V total voltage drop

Remote On/Off

• Uncommitted isolated optocoupler diode,

(Inhibit/Enable

powered diode inhibits V1 & V2

Option -A)

xppower.com

General

Efficiency

• 88% typical

Isolation

• 4000 VAC Input to Output, 1500 VAC Input

to Ground, 500 VAC Output to Ground

Switching Frequency

• 70 kHz typical

Signals (Option -A)

• Power OK - open collector,

Remote On/Off, 5 V Standby

MTBF

• 220 kHrs per MIL-HDBK-217F

Environmental

Operating Temperature • 0 ˚C to +70 ˚C derate linearly from +50 ˚C at

2.5%/˚C to 50% load at +70 ˚C when

convection-cooled and from +60 ˚C at

2.5%/˚C to 75% load at +70 ˚C when

forced-cooled. See derating curve and

longform datasheet for thermal

considerations.

Cooling

• Convection & fan cooled ratings (see tables)

Operating Humidity

• 95% RH, non-condensing

Storage Temperature

• -40 ˚C to +85 ˚C

Operating Altitude

• 3000 m

Shock

• 30 g pk, half sine, 6 axis

Vibration

• 2 g rms, 5 Hz to 500 kHz, 3 axis

EMC & Safety

Low Voltage PSU EMC • EN61204-3, high severity level as below

Emissions

• EN55022 level B conducted

EN55022 level A radiated

Harmonic Currents

• EN61000-3-2, class A

Voltage Flicker

• EN61000-3-3

Radiated Immunity

• EN61000-4-3, level 3 Perf Criteria A

EFT/Burst

• EN61000-4-4, level 3 Perf Criteria A

Surge

• EN61000-4-5, installation class 3

Perf Criteria A

Conducted Immunity

• EN61000-4-6, level 3 Perf Criteria A

Dips & Interruptions

• EN61000-4-11, 30% 10 ms, 60% 100 ms,

100% 5000 ms, Perf Criteria A, B, B,

EN60601-1-2, 30% 500 ms, 60% 100 ms,

100% 10 ms, 100% 5000 ms, Perf Criteria

A, A, A, B - 230 VAC. Consult longform

datasheet for 115 V operation.

Safety Approvals

• See Safety Approvals (see next page)

Equipment Protection

• Class I and Class II

Class