Notes
(1) Safety approvals cover frequency range 47-63 Hz.
ACDC
Specification
140 Watts
•120/148 W Convection/Forcedcooled Ratings
•Class I & Class II Construction
•Remote Sense
•5 V Standby Option
•Remote On/Off & Power OK Signals Option
•IT, Industrial & Medical Safety Approvals
•3 Year Warranty
ECM Series
Input
Input Voltage • 80-264 VAC (120-370 VDC), derate output
power <90 VAC (See derating curve)
Input Frequency • 47-400 Hz(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 at 25 °C
Power Factor • EN61000-3-2, class A
Earth Leakage Current • 265 µA max at 264 VAC/60 Hz
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%, fan output will track by
same percentage
Initial Set Accuracy • ±1% V1, ±5% V2, ±3% V3
Minimum Load • 0.1 A required on V1 to maintain regulation
of V2
Start Up Delay • 1.5 s max
Start Up Rise Time • 10 ms max
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 to MIL-HDBK-217F at 25 °C, GB
Power Density • 7.2 W/in3
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.
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 axes
Vibration • 2 g rms, 5 Hz to 500 Hz, 3 axes
EMC & Safety
Low Voltage PSU EMC • EN61204-3, high severity level
Emissions • EN55011/22 level B conducted
EN55011/22 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, 30% 500 ms, 60% 100 ms,
100% 10 ms, 100% 5000 ms,
Perf Criteria A, A (with 50% load), A, B
Safety Approvals • See Safety Approvals (see next page)
Equipment Protection • Class I and Class II
Class
21-Jan-11
ACDC
3.00
(76.2)
1.90
(48.3)
2.55
(64.8)
4 x ø0.156 (3.96) Mounting Holes
ø0.312 (7.92) Clearance Top & Bottom
0.19 (4.8)
SMD component height
0.25 Faston
Ground Tab
V Adj.
5.00 (127.0)
4.55 (115.6)
0.20 (5.1)
0.20 (5.1)
0.23 (5.7)
1.30
(33.0)
2.50
(63.6)
1.11
(28.3)
0.61
(15.6)
0.14
(3.5)
0.18
(4.6)
0.22 (5.7)
ECM140
Models and Ratings Convectioncooled
Output Connector J2
Pin 1 +V1
Pin 2 +V1
Pin 3 +V1
Pin 4 +V1
Pin 5 RTN
Pin 6 RTN
Pin 7 RTN
Pin 8 RTN
Signal Connector J3
Pin 1 +5V Standby* Pin 6 Inhibit LO*
Pin 2 Logic GND* Pin 7 +Sense
Pin 3 Logic GND* Pin 8 -Sense
Pin 4 Power OK* Pin 9 +Vout
Pin 5 Inhibit HI* Pin 10 -Vout
Mechanical Details
Notes
1. All dimensions in inches (mm). Tolerance .xx = ±0.02 (0.50); .xxx = ±0.01 (0.25)
2. Weight 0.65 lbs (294 g) approx.
3. Vented cover (see derating curves) dimensions are 5.50 x 3.50 x 1.54
(140 x 89 x 39). See longform datasheet for drawing.
See longform datasheet for further information.
Notes
Input Connector J1
Pin 1 Line
Pin 2 Neutral
.25” Faston Earth
Fan Connector J4
Pin 1 Fan +(12 V)
Pin 2 Fan -
J1 mates with Molex housing
09-50-1031 and Molex series
5194 crimp terminals.
J4 mates with Molex housing
22-01-1024 and Molex series
5103 crimp terminals.
J2 mates with Molex housing
09-50-1081 and Molex series
5194 crimp terminals.
*Optional
J3 mates with JST housing PHDR-10VS and JST series
SPHD-001T-P0.5 crimp terminals.
Derating Curves Safety Approvals
1. Convection-cooled, output power must not exceed 120 W for
combined V1, V2, & V3
2. For 5 V standby (V3), Power OK & Inhibit, add suffix ‘-A’ to model number.
3. For covered versions, add suffix ‘-C’ to model number or order part no.
ECM140 COVER KIT†^ for standalone cover (see derating curves).
Not suitable for use in class II installations.
Notes
1. 10 CFM airflow achieved with system cooling or with Top Fan assembly.
2. For 5 V standby (V3), Power OK & Inhibit, add suffix ‘-A’ to model number e.g.
ECM140US12-A.
3. For cover with Top Fan assembly please refer to longform datasheet for
mechanical details.
111
96
60
42
120
148
0 +50
+40 +60 +70
Ambient Temperature (ºC)
Convection-cooled with cover
Convection-cooled
Force-cooled >10 CFM
Output Power (W)
Output Power(1) Output Voltage V1 Output Current V1 Fan Output V2 Standby Supply V3(2) Model Number(2,3)
120 W 12.0 VDC 10.0 A 12.0 V/0.5 A 5.0 V/0.5 A ECM140US12†^
120 W 15.0 VDC 8.0 A 12.0 V/0.5 A 5.0 V/0.5 A ECM140US15†^
120 W 18.0 VDC 6.6 A 12.0 V/0.5 A 5.0 V/0.5 A ECM140US18†^
120 W 24.0 VDC 5.0 A 12.0 V/0.5 A 5.0 V/0.5 A ECM140US24†^
120 W 28.0 VDC 4.2 A 12.0 V/0.5 A 5.0 V/0.5 A ECM140US28
120 W 48.0 VDC 2.5 A 12.0 V/0.5 A 5.0 V/0.5 A ECM140US48†^
Models and Ratings Forcedcooled
120
100
60
84
148
80 90 264
Input Voltage (VAC)
Convection-cooled
Convection-cooled with cover
10 CFM Force-cooled
Output Power (W)
IEC60950-1 CB report, CSA 22.2 No. 60950-1,
UL60950-1, TUV EN60950-1
IEC60601-1 CB report, CSA 22.2 No. 60601-1,
UL60601-1, TUV 60601-1
TUV IEC61010-1
UL1604 Class 1 Division 2 (ECM140US12)
†Available from Farnell & element14. See pages 284-290. ^Available from Newark. See pages 291-296.
Output Power(1) Output Voltage V1 Output Current V1 Fan Output V2 Standby Supply V3(2) Model Number(2)
148 W 12.0 VDC 11.7 A 12.0 V/0.5 A 5.0 V/0.5 A ECM140US12†^
148 W 15.0 VDC 9.3 A 12.0 V/0.5 A 5.0 V/0.5 A ECM140US15†^
148 W 18.0 VDC 7.7 A 12.0 V/0.5 A 5.0 V/0.5 A ECM140US18†^
148 W 24.0 VDC 5.8 A 12.0 V/0.5 A 5.0 V/0.5 A ECM140US24†^
148 W 28.0 VDC 5.0 A 12.0 V/0.5 A 5.0 V/0.5 A ECM140US28
148 W 48.0 VDC 2.9 A 12.0 V/0.5 A 5.0 V/0.5 A ECM140US48†^