ECH450PS36 [XPPOWER]

AC-DC Power Supplies;
ECH450PS36
型号: ECH450PS36
厂家: XP POWER LIMITED    XP POWER LIMITED
描述:

AC-DC Power Supplies

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AC-DC Power Supplies  
ECH450 Series  
450 Watts  
• Force cooled and convection cooled ratings  
• Medical and ITE approvals  
• Compact 3.0” by 5.0” footprint  
• Suitable for BF applications  
• 5 V standby and remote on/off  
• 12 V fan output  
• -20 °C to +70 °C operation  
• High efficiency, up to 95%  
Approved for medical and ITE applications, this range of forced and convection cooled single  
output AC/DC power supplies are packaged in an ultra compact foot print of just 5.0” by 3.0”.  
Dimensions:  
ECH450:  
The ECH450 provides up to 450W force cooled and 250W convection cooled leading to very high  
power densities of 20W/in . A 12V, 600 mA fan supply is included in the design to faciliate system  
3.00 x 5.00 x 1.42” (76.2 x 127.0 x 36.1 mm)  
3
ECH450-TF, ECH450-C:  
3.41 x 5.00 x 1.97” (86.6 x 127.0 x 50.0 mm)  
cooling, along with 5 V/1 A standby output. The power supply contains two fuses and low leakage  
currents as required by medical applications and is safety approved to operate in a 70°C ambient.  
ECH450-EF:  
The ECH450 series is designed to minimize the no load power consumption and maximize  
efficiency to facilitate equipment design to meet the latest environmental legislation and the low  
profile and safety approvals covering ITE and medical standards along with conducted emissions  
to EN55011/32 level B allow the versatile ECH450 series to be used in a vast range of applications.  
3.15 x 5.83 x 1.60” (80.0 x 148.2 x 40.6 mm)  
Models & Ratings  
Output Current  
Output  
Voltage  
Optional Standby Output  
Fan Output(2)  
Efficiency(1)  
Model Number(4)  
Forced cooled  
Convection cooled  
12.0 V  
15.0 V  
19.0 V  
24.0 V  
36.0 V  
48.0 V  
54.0 V  
37.5A  
30.0A  
23.7A  
18.8A  
12.5A  
9.4A  
20.8A  
12 V/0.6 A  
12 V/0.6 A  
12 V/0.6 A  
12 V/0.6 A  
12 V/0.6 A  
12 V/0.6 A  
12 V/0.6 A  
93%  
95%  
95%  
95%  
95%  
95%  
95%  
ECH450PS12  
ECH450PS15  
ECH450PS19  
ECH450PS24  
ECH450PS36  
ECH450PS48  
ECH450PS54  
5 V/1.0 A  
5 V/1.0 A  
5 V/1.0 A  
5 V/1.0 A  
5 V/1.0 A  
5 V/1.0 A  
5 V/1.0 A  
16.6A  
13.0A  
10.4A  
6.9A  
5.2A  
8.33A  
4.63A  
Notes  
1. Typical efficiencies measured at 100% load and 230 VAC input.  
2. Typical voltage, actual regulated voltage will be in range of 11.4V to 12.6V.  
3. Regulation of the fan output requires a minimum load of 10W on the main output.  
4. Add s  
uffix -C to part number for vented cover version, -TF for top fan version and  
-EF for end fan version.  
Input  
Characteristic  
Minimum  
Typical  
Maximum  
Units  
Notes & Conditions  
Input Voltage - Operating  
Input Frequency  
90  
47  
115/230  
50/60  
>0.9  
264  
63  
VAC  
Hz  
Derate output from 100% at 100 VAC to 90% at 90 VAC  
Power Factor  
230VAC, 100% load. EN61000-3-2 class A, class C >175W  
Input Current - Full Load  
Inrush Current  
4.5/2.3  
A
A
115/230 VAC  
120  
300  
0.21  
230 VAC cold start, 25 ºC  
Earth Leakage Current  
No load Input Power  
Input Protection  
80/135  
µA  
W
115/230 VAC/50 Hz (Typ), 264 VAC/60 Hz (Max)  
When main output is Inhibited  
F8A/250 V Internal fuse fitted in line and neutral.  
www.xppower.com  
1
AC-DC Power Supplies  
ECH450 Series  
Output - Main Output  
Characteristic  
Output Voltage - V1  
Initial Set Accuracy  
Minimum Load  
Start Up Delay  
Hold Up Time  
Drift  
Minimum  
Typical  
Maximum  
Units  
VDC  
%
Notes & Conditions  
See Models and Ratings table  
50% load, 115/230 VAC  
No minimum load required  
115/230 VAC full load.  
Min at full load, 115 VAC.  
After 20 min warm up  
90-264 VAC  
12  
54  
1
0
A
2
s
10  
ms  
%
0.02  
0.5  
1
Line Regulation  
Load Regulation  
%
%
0-100% load.  
Recovery within 1% in less than 500 µs  
for a 50-75% and 75-50% load step  
Transient Response  
4
%
Over/Undershoot  
Ripple & Noise  
2
5
2
%
Full load  
20 MHz bandwidth and 10 µF electrolytic capacitor in  
parallel with 0.1 µF ceramic capacitor.  
% pk-pk  
Overvoltage Protection  
Overload Protection  
110  
110  
130  
130  
%
Vnom, recycle input to reset  
% I nom  
Short Circuit Protection  
Temperature Coefficient  
Overtemperature Protection  
Trip & Restart  
0.02  
50  
%/˚C  
µA  
Measured internally, Auto Resetting  
264 VAC / 60 Hz  
Output Leakage Current  
Output - 5 V Standby Output  
Characteristic  
Minimum  
Typical  
Maximum  
Units  
Notes & Conditions  
Output Voltage  
Initial Set Accuracy  
Minimum Load  
Start Up Delay  
Hold Up Time  
Drift  
5.0  
VDC  
%
A
1
50% load, 115/230 VAC  
0
0.5  
s
115/230 VAC full load.  
Min at full load, 115 VAC.  
After 20 min warm up  
90-264 VAC  
500  
ms  
%
%
%
0.02  
0.5  
5
Line Regulation  
Load Regulation  
0-100% load.  
Recovery within 1% in less than 500 µs  
for a 50-75% and 75-50% load step  
Transient Response  
Over/Undershoot  
Ripple & Noise  
4
5
%
%
Full load  
20 MHz bandwidth and 10 µF electrolytic capacitor in parallel  
with 0.1 µF ceramic capacitor  
2
% pk-pk  
A
Overload Protection  
Short Circuit Protection  
Temperature Coefficient  
Remote On/Off  
2.0  
Trip & Restart  
0.02  
%/˚C  
See Application Note  
General  
Characteristic  
Minimum  
Typical  
Maximum  
Units  
Notes & Conditions  
Efficiency  
53  
%
230 VAC Full load (see fig. 1 to 4)  
2x MOPP  
4000  
1500  
1500  
VAC  
VAC  
VAC  
kHz  
kHz  
kHz  
Isolation: Input to Output  
Input to Ground  
1x MOPP  
Output to Ground  
1x MOPP  
70  
PFC, Fixed  
82  
22  
185  
85  
Main converter, Variable  
For 5V standby output, Variable  
Switching Frequency  
3
Power Density  
21  
W/in  
kHrs  
Mean Time Between Failure  
300  
MIL-HDBK-217F, Notice 2 +25 °C GB  
Open frame  
0.86 (390)  
1.26 (570)  
-C version  
Weight  
lb(g)  
1.29 (585)  
1.46 (660)  
-TF version  
-EF version  
www.xppower.com  
2
AC-DC Power Supplies  
ECH450 Series  
Efficiency Vs Load  
Figure 1 - ECH450PS12 (250W)  
Figure 2 - ECH450PS12 (450W)  
#
#
#
#
#
#
(""#  
'"#  
&"#  
%"#  
$"#  
!"#  
("  
)"  
*"  
+"  
!"  
$"  
%"  
&"  
'"  
(""  
("  
)"  
*"  
+"  
!"  
$"  
%"  
&"  
'"  
()*+,-./  
()*+,-./  
Figure 3 - ECH450PS24 (250W)  
Figure 4 - ECH450PS24 (450W)  
"#  
(""#  
'"#  
&"#  
%"#  
$"#  
!"#  
#
#
#
#
#
("  
)"  
*"  
+"  
!"  
$"  
%"  
&"  
'"  
(""  
("  
)"  
*"  
+"  
!"  
$"  
%"  
&"  
'"  
()*+,-./  
()*+,-./  
100VAC input  
230VAC input  
Environmental  
Characteristic  
Minimum  
Typical  
Maximum  
Units  
Notes & Conditions  
Operating Temperature  
-20  
+70  
+85  
°C  
See derating curve, figure 5  
Storage Temperature  
Cooling  
-40  
10  
5
°C  
CFM  
%RH  
m
Forced-cooled > 250W  
Non-condensing  
ITE/Medical  
Humidity  
95  
Operating Altitude  
Shock  
5000/4000  
3 x 30g shocks in each plane, total 18 shocks. 30g = 11ms (+/- 0.5msecs), half sine. Conforms to EN60068-2-27  
Single axis 10-500 Hz at 2g sweep and endurance at resonance in all 3 planes. Conforms to EN60068-2-6  
Vibration  
ting Curves  
Temperature Dera  
Figure 5  
450  
250  
225  
125  
0
-20  
0
+50  
+70  
Ambient Temperature (ºC)  
www.xppower.com  
3
AC-DC Power Supplies  
ECH450 Series  
EMC: Emissions  
Phenomenon  
Conducted  
Radiated  
Standard  
Test Level  
Class B  
Class B  
Class A  
Criteria  
Notes & Conditions  
EN55011/32  
EN55011/32  
Harmonic Current  
Voltage Functions  
EN61000-3-2  
EN61000-3-3  
Class C for load >175 W  
EMC: Immunity  
Phenomenon  
Medical Device EMC  
Low Voltage PSU EMC  
ESD  
Standard  
Test Level  
Ed.4.0 : 2014  
Criteria  
Notes & Conditions  
IEC60601-1-2  
EN61204-3  
as below  
High severity level  
as below  
EN61000-4-2  
EN61000-4-3  
EN61000-4-4  
EN61000-4-5  
EN61000-4-6  
EN61000-4-8  
4
A
A
A
A
A
A
A
B
B
A
A
B
A
B
B
B
B
A
B
A
A
B
8kV contact, 15kV air  
Radiated  
3
EFT  
3
Surges  
Installation class 3  
3
Conducted  
Magnetic Fields  
4
Dip >95% (0 VAC), 8.3 ms  
Dip 30% (70 VAC), 416 ms  
Dip >95% (0 VAC), 4160 ms  
Dip >95% (0 VAC), 10.0 ms  
Dip 30% (168 VAC), 500 ms  
Dip >95% (0 VAC), 5000 ms  
Dip 100% (0 VAC), 10.0 ms  
Dip 100% (0 VAC), 20 ms  
Dip 60% (40 VAC), 100 ms  
Dip 30% (70 VAC), 500 ms  
Dip 100% (0 VAC), 5000 ms  
Dip 100% (0 VAC), 10.0 ms  
Dip 100% (0 VAC), 20 ms  
Dip 60% (96 VAC), 100 ms  
Dip 30% ( 168 VAC), 500 ms  
Dip 100% (0 VAC), 5000 ms  
EN55024 (100 VAC)  
EN55024 (240 VAC)  
Dips and Interruptions  
EN60601-1-2 (100 VAC)  
EN60601-1-2 (240 VAC)  
Safety Approvals  
Safety Agency  
Safety Stan  
IEC60950-1  
UL62368-1  
EN62368-1  
LVD  
dard  
Notes & Conditions  
CB Report  
UL  
, IEC62368  
Information Technology  
Information Technology  
Information Technology  
TUV  
CE  
Safety Agency  
CB Report  
UL  
Safety Stan  
IEC60601-1  
ANSI/AAMI  
EN60601-1  
dard  
Notes & Conditions  
Medical  
Ed 3.1 Including Risk Management  
ES60601-1 & CSA C22.2 No.60601-1:08  
Medical  
TUV  
Medical  
Isolation  
Level  
Notes & Conditions  
Primary to Secondary  
Primary to Earth  
Secondary to Earth  
2 x MOPP (  
1 x MOPP (  
1 x MOPP (  
Means of Patient Protection)  
Means of Patient Protection)  
Means of Patient Protection)  
IEC60601-1 Ed 3.1  
www.xppower.com  
4
AC-DC Power Supplies  
ECH450 Series  
Mechanical Details  
1.96 (50.0)  
CN2 - Output Connector  
Standard Open Frame  
12-24V  
Pin 1  
+Vout  
+Vout  
+Vout  
-Vout  
-Vout  
+Vout  
+Vout  
-Vout  
-Vout  
-Vout  
Fan  
Pin 2  
Pin 3  
Pin 4  
1.18  
(30.0)  
Pin 5  
5.0 (127.0)  
0.12  
(3.17)  
Pin 6  
Pin 7  
Pin 8  
Pin 9  
Pin 10  
4.75 (120.65)  
Ground  
Size: 6.3 x 0.8mm  
4-ø3.5  
0.12  
(3.17)  
T3  
Mates with Molex 39-01-2100  
3.0  
(76.2)  
L
CN1  
N
CN3 - Fan Connector  
2.75  
(69.85)  
C39  
Pin 1  
Pin 2  
Fan+  
Fan-  
6
1
5
CN2  
L3  
Mates with JST housing PHR-2  
1
2
10  
C5  
CN202 - Signal Connector  
Pin 1  
+5V Standby  
CN3 fan out  
Pin 2  
Pin 3  
Return  
Remote On/Off  
Q3  
+5VSB Board  
2-M2.5  
3
1
Mates with JST housing XHP  
CN202  
1.26  
(32.0)  
Notes  
1. All dimensions shown in inches (mm).  
Tolerance: 0.02 (0.5)  
2. Weight: 0.86lbs (390g) approx.  
0.1  
(2.5)  
0.69  
(17.5)  
1.99 (50.5)  
0.79 (20.0)  
0.06  
(1.6)  
36-48V  
Fan  
CN2 - Output Connector  
1.96 (50.0)  
Pin 1  
Pin 2  
Pin 3  
Pin 4  
+Vout  
+Vout  
-Vout  
-Vout  
1.18  
(30.0)  
5.0 (127.0)  
0.12 (3.17)  
4.75 (120.65)  
4 x ø3.5  
Ground  
Mates with JST housing VHR-4N  
Size: 6.3x0.8mm  
CN3 - Fan Connector  
Pin 1  
Pin 2  
Fan+  
Fan-  
CN4  
C39  
T3  
L
3.0  
(76.2)  
CN1  
1
2
Mates with JST housing PHR-2  
N
CN202 - Signal Connector  
Pin 1  
+5V Standby  
Pin 2  
Pin 3  
Return  
Remote On/Off  
CN2  
L3  
1
3
1
2
C5  
Q3  
Fan out  
CN3  
Mates with JST housing XHP  
CN4 - Remote Sense  
Pin 1  
Pin 2  
2-M2.5  
CN202  
+Sense  
-Sense  
1.26  
(32.0)  
Mates with JST housing PHR-2  
0.06  
0.1  
(2.5)  
0.69  
(1.6)  
(17.5)  
Notes  
1. All dimensions shown in inches (mm).  
Tolerance: 0.02 (0.5)  
1.99 (50.5)  
0.79 (20.0)  
2. Weight: 0.86lbs (390g) approx.  
www.xppower.com  
5
AC-DC Power Supplies  
ECH450 Series  
Mechanical Details  
CN2 - Output Connector  
End Fan Version (-EF)  
12-24V  
1.02  
(26.0)  
Pin 1  
+Vout  
+Vout  
+Vout  
-Vout  
-Vout  
+Vout  
+Vout  
-Vout  
-Vout  
-Vout  
Pin 2  
Pin 3  
Pin 4  
Pin 5  
Pin 6  
Pin 7  
Pin 8  
Pin 9  
Pin 10  
1.60  
(40.6)  
4-M3  
0.51  
(13.0)  
4.83 (122.8)  
5.83 (148.2)  
0.15  
(3.75)  
0.14  
(3.45)  
5.56 (141.3)  
3.15  
(80.0)  
Mates with Molex 39.01-2100  
L
CN1  
CN202 - Signal Connector  
Pin 1  
+5V Standby  
2.85  
(72.5)  
N
Airflow  
direction  
Pin 2  
Pin 3  
Return  
Remote On/Off  
6
1
2
CN2  
1
2
10  
Mates with JST housing XHP  
Notes  
4-ø3.2  
1. All dimensions shown in inches (mm).  
Tolerance: 0.02 (0.5)  
+5VSB Board  
3
1
2. Weight: 1.46lbs (660g) approx.  
CN202  
4.83 (122.8)  
0.51 (13.0)  
Measuring the  
screw protrusion :  
limit 2.5mm  
0.10  
(2.5)  
1.6  
(40.6)  
1.02  
(26.0)  
Customer system chassis  
36-48V  
CN2 - Output Connector  
1.02  
(26.0)  
Pin 1  
Pin 2  
Pin 3  
Pin 4  
+Vout  
+Vout  
-Vout  
-Vout  
1.60  
(40.6)  
4-M3  
0.51 (13.0)  
4.83 (122.8)  
Mates with JST housing VHR-4N  
5.83 (148.2)  
5.56 (141.3)  
0.15  
(3.75)  
0.14  
(3.45)  
CN202 - Signal Connector  
Pin 1  
Pin 2  
Pin 3  
+5V Standby  
Return  
Remote On/Off  
3.15  
(80.0)  
CN4  
L
2.85  
(72.5)  
CN1  
N
1
2
Mates with JST housing XHP  
Airflow  
direction  
CN2  
CN4 - Remote Sense  
1
3
1
2
Pin 1  
Pin 2  
+Sense  
-Sense  
FAN OUT  
CN3  
CN202  
Mates with JST housing PHR-2  
4-ø3.2  
Measuring the  
screw protrusion :  
limit 2.5mm  
4.83 (122.8)  
0.51 (13.0)  
0.10  
(2.5)  
1.60  
(40.6)  
1.02  
(26.0)  
Notes  
Customer system chassis  
1. All dimensions shown in inches (mm).  
Tolerance: 0.02 (0.5)  
2. Weight: 01.46lbs (660g) approx.  
www.xppower.com  
6
AC-DC Power Supplies  
ECH450 Series  
Mechanical Details  
Covered Version (-C)  
12-24V  
CN2 - Output Connector  
2.68 (68.0)  
1.0  
(25.5)  
Pin 1  
+Vout  
+Vout  
+Vout  
-Vout  
-Vout  
+Vout  
+Vout  
-Vout  
-Vout  
-Vout  
Pin 2  
Pin 3  
Pin 4  
Pin 5  
Pin 6  
Pin 7  
Pin 8  
Pin 9  
Pin 10  
1.97  
(50.0)  
1.75  
(44.5)  
Mates with Molex 39.01-2100  
5.0 (127.0)  
0.1  
(2.6)  
4.68 (118.9)  
Ground  
Size: 6.3x0.8mm  
0.16  
(4.05)  
CN3 - Fan Connector  
Pin 1  
Pin 2  
Fan+  
Fan-  
3.41  
(86.6)  
Mates with JST housing PHR-2  
L
CN1  
N
CN202 - Signal Connector  
Pin 1  
+5V Standby  
3.20  
(81.4)  
Pin 2  
Pin 3  
Return  
Remote On/Off  
6
1
5
Mates with JST housing XHP  
CN2  
1
2
10  
Notes  
1. All dimensions shown in inches (mm).  
Tolerance: 0.02 (0.5)  
2. Weight: 1.26lbs (570g) approx.  
CN3 FAN OUT  
4-ø3.2  
+5VSB Board  
3
1
CN202  
1.97  
(50.0)  
1.75  
(44.5)  
2.99 (76.0)  
1.0 (25.5)  
8-M3  
Measuring the  
screw protrusion :  
limit 2.5mm  
0.1  
(2.5)  
1.55 (39.4)  
1.26 (32.0)  
1.5  
(38.2)  
Customer  
system  
chassis  
1.32  
(33.5)  
1.04  
(26.3)  
1.26  
(31.9)  
1.93 (49.1)  
1.72 (43.7)  
www.xppower.com  
7
AC-DC Power Supplies  
ECH450 Series  
Mechanical Details  
Covered Version (-C)  
36-48V  
.5)  
1.0 (25  
8.0)  
2.68 (6  
7.0)  
5.0 (12  
0.1  
0.16  
(4.05)  
(2.6)  
18.9)  
4.68 (1  
d
Groun  
8mm  
.3 x 0.  
Size: 6  
3.41  
(86.6)  
L
CN1  
N
CN4  
2
1
3.2  
(81.4)  
V+  
CN2  
V0  
1
3
1
2
CN3  
Fan  
out  
CN202  
CN2 - Output Connector  
1.97  
(50.0)  
Pin 1  
+Vout  
+Vout  
-Vout  
-Vout  
Pin 2  
Pin 3  
Pin 4  
1.75  
(44.5)  
Mates with JST housing VHR-4N  
ring the  
Measu  
screw  
limit 2.  
CN3 - Fan Connector  
ion :  
protrus  
5mm  
.5)  
1.0 (25  
Pin 1  
Pin 2  
Fan+  
Fan-  
6.0)  
2.99 (7  
2.0)  
1.26 (3  
9.4)  
1.55 (3  
8-M3  
)
0.1 (2.5  
Mates with JST housing PHR-2  
CN202 - Signal Connector  
Pin 1  
+5V Standby  
Pin 2  
Pin 3  
Return  
Remote On/Off  
ssis  
em cha  
er syst  
Custom  
1.50  
(38.2)  
Mates with JST housing XHP  
1.32  
(33.5)  
CN4 - Remote Sense  
Pin 1  
Pin 2  
+Sense  
-Sense  
1.26  
(31.9)  
1.04  
(26.3)  
Mates with JST housing PHR-2  
9.1)  
1.72 (  
43.7)  
1.93 (4  
Notes  
1. All dimensions shown in inches (mm).  
Tolerance: 0.02 (0.5)  
2. Weight: 1.26lbs (570g) approx.  
8
www.xppower.com  
AC-DC Power Supplies  
ECH450 S  
eries  
Mechanical Details  
Top Fan Version (TF)  
12-24V  
2.68 (68.0)  
1.0  
(25.5)  
CN2 - Output Connector  
Pin 1  
+Vout  
+Vout  
+Vout  
-Vout  
-Vout  
+Vout  
+Vout  
-Vout  
-Vout  
-Vout  
1.97  
Pin 2  
Pin 3  
Pin 4  
Pin 5  
Pin 6  
Pin 7  
Pin 8  
Pin 9  
Pin 10  
(50.0)  
1.75  
(44.5)  
5.0 (127.0)  
0.1  
(2.6)  
Mates with Molex 39.01-2100  
4.68 (118.9)  
Ground  
Size: 6.3 x 0.8mm  
0.16  
(4.05)  
CN202 - Signal Connector  
Pin 1  
+5V Standby  
3.41  
(86.6)  
Pin 2  
Pin 3  
Return  
Remote On/Off  
L
Mates with JST housing XHP  
CN1  
N
3.20  
(81.4)  
Notes  
6
1
5
1. All dimensions shown in inches (mm).  
Tolerance: 0.02 (0.5)  
2. Weight: 1.29lbs (585g) approx.  
CN2  
1
2
10  
4-ø3.2  
+5VSB Board  
3
1
Airflow  
direction  
CN202  
1.97  
(50.0)  
1.75  
(44.5)  
2.99 (76.0)  
1.0 (25.5)  
8-M3  
1.55 (39.4)  
1.26 (32.0)  
Measuring the  
screw protrusion :  
limit 2.5mm  
0.1  
(2.5)  
1.5  
(38.2)  
Customer  
system  
chassis  
1.32  
(33.5)  
1.26  
1.04  
(31.9)  
(26.3)  
1.72 (43.7)  
1.93 (49.1)  
www.xppower.com  
9
AC-DC Power Supplies  
ECH450 S  
eries  
Mechanical Details  
2.68 (68.0)  
1.0 (25.5)  
Top Fan Version (TF)  
36-48V  
1.97  
(50.0)  
1.75  
(44.5)  
5.0 (127.0)  
0.1  
(2.6)  
0.16  
(4.05)  
4.68 (118.9)  
Ground  
Size: 6.3 x 0.8mm  
3.41  
(86.6)  
L
CN1  
N
CN4  
2
3.2  
1
(81.4)  
V+CN2  
V0  
1
1
2
CN3  
3
Fan  
out  
Airflow  
direction  
CN2 - Output Connector  
Pin 1  
+Vout  
+Vout  
-Vout  
-Vout  
Pin 2  
Pin 3  
Pin 4  
1.97  
(50.0)  
Mates with JST housing VHR-4N  
1.75  
(44.5)  
Measuring the  
screw protrusion :  
limit 2.5mm  
CN202 - Signal Connector  
Pin 1  
Pin 2  
Pin 3  
+5V Standby  
Return  
Remote On/Off  
2.99 (76.0)  
1.0 (25.5)  
1.55 (39.4)  
1.26 (32.0)  
8-M3  
0.1 (2.5)  
Mates with JST housing XHP  
Customer system chassis  
CN4 - Remote Sense  
1.50  
(38.2)  
Pin 1  
Pin 2  
+Sense  
-Sense  
1.32  
(33.5)  
Mates with JST housing PHR-2  
1.26  
(31.9)  
1.04  
(26.3)  
Notes  
1. All dimensions shown in inches (mm).  
Tolerance: 0.02 (0.5)  
1.93 (49.1)  
1.72 (43.7)  
2. Weight: 1.29lbs (585g) approx.  
www.xppower.com  
10  
AC-DC Power Supplies  
ECH450 Series  
Thermal Considerations  
In order to ensure safe operation of the PSU in the end-use equipment, the temperature of the components listed in the table below must  
not be exceeded. Temperature should be monitored using K type thermocouples placed on the hottest part of the component  
(out of direct air flow). See Standard Open Frame Mechanical Details on page 5 for component locations.  
Temperature Measurements (At Maximum Ambient)  
Component  
T3 Coil  
L3 Coil  
Q3 Body  
C5  
Max Temperature °C  
110°C  
120°C  
120°C  
105°C  
105°C  
C39  
Service Life  
The estimated service life of the ECH450 is determined by the cooling arrangements and load conditions experienced in the end application.  
Due to the uncertain nature of the end application this estimated service life is based on the actual measured temperature of a key capacitor  
with in the product when installed by the end application,  
The graph below expresses the estimated lifetime of a given component temperature and assumes continuous operation at this temperature.  
Estimated Service Life vs Component Temperature  
Figure 6  
80000  
70000  
60000  
50000  
C39  
C5  
40000  
30000  
20000  
10000  
0
105  
95  
85  
75  
65  
55  
45  
C5 + C39 Temperature (ºC)  
Remote On/Off  
CN202 - Signal Connection  
+5 V standby  
To turn output off, connect Remote On/Off, Pin 3 to return, Pin 2.  
Output is on if Remote On/Off, Pin 3 is floating or connected to  
5V standby, Pin 1.  
Pin 1  
Pin 2  
Pin 3  
Return  
Remote On/Off  
www.xppower.com  
11  
26 March 20  

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