XP Power CMH250 250 w convection-cooled Datasheet

CMH250 Series
AC-DC Power Supplies
250 Watts
• 250 W Convection-cooled
• Industry Standard 4”x 7”Package
• 80 VAC to 300 VAC Input
• 5V/2A Standby & Signals Set (optional)
• IT & Medical Safety Approvals
• 3 Year Warranty
Dimensions:
The universal AC input CMH250 provides 250W of convection cooled output power in a 7” x 4”
package, over the temperature range -40°C to +50°C with derating to +70°C. Approved for IT and
Medical and with a feature set including a 5V/2 A standby output and a range of analog signals, the
CMH250 is ideal for a wide range of applications where convection-cooling is desirable.
CMH250:
7.00 x 4.00 x 1.57” (178 x 101.6 x 39.2 mm)
CMH250-C:
7.39 x 4.06 x 1.92” (187.8 x 103.1 x 48.9 mm)
Models & Ratings
Output Voltage 1
Output Current V1
Fan Supply V3
(optional)
Standby Supply V2
Output Power
Model Number
12 V
21.0 A
5.0 V / 2 A
12.0 V / 0.6 A
250 W
CMH250PS12
15 V
16.7 A
5.0 V / 2 A
12.0 V / 0.6 A
250 W
CMH250PS15
24 V
10.4 A
5.0 V / 2 A
12.0 V / 0.6 A
250 W
CMH250PS24
28 V
8.9 A
5.0 V / 2 A
12.0 V / 0.6 A
250 W
CMH250PS30
48 V
5.2 A
5.0 V / 2 A
12.0 V / 0.6 A
250 W
CMH250PS48
(1,2,3)
Notes
1. Add suffix '-01' for 5V/2A standby & analog signal set, e.g. CMH250PS12-01
2. Add suffix '-C' for covered version, e.g. CMH250PS12-C or for covered
versions with 5V/2A standby & analog signals set add '-01C', e.g.
CMH250PS12-01C (Derating will be applicable and is under evaluation)
3. Add suffix '-50' for 5V/2A standby & PMBus signal set, e.g. CMH250PS12-50
Mechanical Details
6.20 (157.5)
0.40 (10.2)
1.57 ±0.02
(39.9 ±0.5)
1.00 (25.4)
M3 MOUNTING HOLES IN 4 POSITIONS.
MAX PENETRATION 2.5mm
0.90 (22.9)
7.00 ±0.02 (177.8±0.5)
5.20 (132.1)
1.00 (25.4)
4.00 ±0.02
(101.6±0.5)
L
1.05 (26.6)
-VE CON3
1.01 (25.7)
N
E
+VE CON2
0.83 (21.1)
0.59 (15.1)
1
2.00 (50.8)
OUTPUT TERMINALS
M4 SCREW IN 2 POSITIONS
TORQUE TO 8 LBS-IN
(90 cNm) MAX.
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M3 MOUNTING HOLES IN 4 POSITIONS.
MAX PENETRATION 2.5mm
CMH250 Series
AC-DC Power Supplies
Input
Characteristic
Input Voltage - Operating
Minimum
Typical
Maximum
Units
Notes & Conditions
80
115/230
264
VAC
Derate output power < 90 VAC. See fig. 1
300
VAC
5 seconds max
47
50/60
63
Hz
Input Voltage - Fault Condition
Input Frequency
Agency approval, 47-63 Hz
EN61000-3-2 class A compliant
Power Factor
>0.95
Input Current - Full Load
2.6/1.3
A
1.3
W
All models, when optional inhibit activated
3.7
W
CMH250PS12 - 115V AC
No Load Input Power
EN61000-3-2 class C for loads ≥50%
4.2
W
CMH250PS12 - 230V AC
4.0
W
CMH250PS24 - 115V AC
4.8
W
CMH250PS24 - 230V AC
3.5
W
CMH250PS48 - 115V AC
W
CMH250PS48 - 230V AC
3.0
Inrush Current
Earth Leakage Current
Input Protection
115/230 VAC
30
40
A
230 VAC
100/200
250
µA
Typ. 115/230 VAC 50 Hz, Max 264 VAC 60 Hz
Maximum
Units
Notes & Conditions
48
VDC
See Models and Ratings table
F10 A/250 V internal fuse in both AC lines
Output
Characteristic
Minimum
Output Voltage
12
Typical
Initial Set Accuracy
±1
%
Output Voltage Adjustment
±10
%
Minimum Load
0
Start Up Delay
A
1.0
Hold Up Time
20
50% load, 115/230 VAC
2.0
s
30
Drift
90 VAC
After 20 min warm up
±0.2
%
Line Regulation
0.5
%
Load Regulation
0.5
%
Transient Response
<4
%
Ripple & Noise
115/230 VAC full load from input AC turn on
ms
Recovery within 1% in less than 500 µs
for a 50-75%-50% load change
1
% pk-pk
Overvoltage Protection
115
140
%
Vnom DC. Output 1, recycle input to reset
Overload Protection
110
150
%
Approx. constant current, see fig. 2 characteristic V1
0.05
%/˚C
Short Circuit Protection
20 MHz bandwidth
Shutdown and auto recovery
Temperature Coefficient
Overtemperature Protection
Shut down & auto recovery
Input Voltage Derating
Overload Characteristics
Figure 1
Figure 2
Current limit adjustable via PMBus control
14.00
275
12.00
10.00
225
200
175
150
80
85
90
Input Voltage (VAC)
264
Voltage (V)
5 Seconds Maximum
Output Power (W)
250
8.00
6.00
4.00
2.00
300
0.00
Current (A)
Typical overload characteristic curve for CMH250PS12
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27
2
CMH250 Series
AC-DC Power Supplies
General
Characteristic
Minimum
Typical
Isolation: Input to Output
Input to Ground
Output to Ground
Maximum
Notes & Conditions
Units
89
Efficiency
%
230 VAC full load
VAC
2 x MOPP
1500
VAC
1 X MOPP
500
VDC
4000
62-560
kHz
PFC
59
kHz
Main converter
kHz
Standby
Switching Frequency
50-130
Power Density
5.7
Mean Time Between Failure
W/in3
203
kHrs
2.02 (919)
Weight
MIL-HDBK-217F, Notice 2 +25 °C GB
CMH250PSxx
lb (g)
2.36 (1072)
CMH250PSxx-C
Efficiency Vs Load
Figure 2
12 V Models
100.00%
90.00%
80.00%
Efficiency
70.00%
60.00%
115V
50.00%
230V
40.00%
30.00%
20.00%
10.00%
0.00%
20%
30%
40%
50%
60%
70%
80%
90% 100%
Figure 3
24 V Models
100.00%
90.00%
80.00%
Efficiency
70.00%
60.00%
115V
50.00%
230V
40.00%
30.00%
20.00%
10.00%
0.00%
20%
30%
40%
50%
60%
70%
80%
90% 100%
Figure 4
48 V Models
100.00%
90.00%
80.00%
Efficiency
70.00%
60.00%
115V
50.00%
230V
40.00%
30.00%
20.00%
10.00%
0.00%
20%
3
30%
40%
50%
60%
70%
80%
90%
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100%
CMH250 Series
AC-DC Power Supplies
Signals & Controls - Optional
Characteristic
Notes & Conditions
Remote Sense
Compensates for 0.5 V total voltage drop. Also fitted to standard version.
5 V Standby Supply (V2)
5 V/2 A supply, always present when AC supplied
Optional 12 V Fan Supply (V3)
12 V/0.6 A supply, present when AC supplied, inhibit turns supply off. Also fitted to standard version.
AC OK/Power Fail
AC OK is an open collector transistor, referenced to negative sense, providing a minimum of 3 ms warning of loss of
output regulation. The transistor is normally off when AC is healthy. See fig. 5.
Inhibit
The inhibit high pin should be pulled below 0.4 V to switch V1 & V Aux (V2) off. Open circuit or 2-8 V maximum to
switch the output on. See fig. 6.
Current Share
Connecting pin 9 (-01 models) of like voltage units (3 maximum) will force the current to share between the outputs.
Units share current within 10% of each other at full load. See fig. 7.
I2C
The I2C compatible interface can be added to the CMH250 and is used for monitoring the unit output voltage, current,
internal temperature and other data points. Adjustment of the output voltage and current limit set point and
identification of the unit model number and serial number are also possible. Contact sales for details.
Signal Options
Remote Sense
P
P
P
CMH250PSXX
CMH250PSXX-01
CMH250PSXX-50
Aux Supply V2
P
P
P
5 V Standby V3
AC OK/Power Fail
Inhibit V1 &
V Fan
Current Share
P
P
P
P
P
Power Fail
Inhibit (High)
Figure 5
Figure 6
-
+
V1 Output
-
Current
Share
+
+
Se
ns
e
- Sense
Pin 9
Inhibit Hi
Pin 10
Transistor On (<0.8 V):
AC OK
Transistor Off (>4.5 V):
AC NOT OK
-
-S
se
en
+
se
en
-S
AC OK Emitter
Pin 8 (-sense)
Current
Share
1K
AC OK Collector
Pin 11
CMH250PSXX (3)
CMH250PSXX (2)
V1 Output
+
e
+ Sens
Max 30 V 10 mA
Figure 7
CMH250PSXX (1)
V1 Output
5 V Standby
Pin 3 or 4
P
Parallel & Current Share
POWER SUPPLY
POWER SUPPLY
PMBus
Se
ns
e
Model
Inhibit Lo
Pin 8 (-sense)
-
Signals Connector
J2 Logic Connector
+
Load
Environmental
Characteristic
Maximum
Units
Operating Temperature
Minimum
-40
Typical
+70
°C
Storage Temperature
-40
+85
°C
95
%RH
Notes & Conditions
See derating curve, fig.8. and Thermal Considerations on page 8.
Cooling
Convection-cooled
Humidity
5000
Operating Altitude
4000
Non-condensing
Information Technology
m
Medical
Shock
±3 x 30g shocks in each plane, total 18 shocks. 30g = 11ms (±0.5msec), half sine. Conforms to EN60068-2-27 & EN60068-2-47
Vibration
Single axis 10 - 500 Hz at 2g sweep and endurance at resonance in all 3 planes. Conforms to EN60068-2-6
Temperature Derating Curve
Figure 8
50
0
-40
Some specification
parameters may not be met
Output Load (%)
100
-20
0
+50
+70
Ambient Temperature (ºC)
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CMH250 Series
AC-DC Power Supplies
EMC: Emissions
Phenomenon
Test Level
Standard
Conducted
EN55022/11
Radiated
EN55022/11
Harmonic Current
EN61000-3-2
Notes & Conditions
Class B
Class A
With 2 turns Wurth 742 700 56 core or similar
on AC input cable
Class B
Class A
All models
Class C
≥50% load
EMC: Immunity
Phenomenon
Low Voltage PSU EMC
Standard
EN61204-3
Test Level
Criteria
High severity level
as below
Radiated
EN61000-4-3
3
A
EFT
EN61000-4-4
3
A
Surges
EN61000-4-5
Installation class 3
A
Conducted
EN61000-4-6
EN55024 (100 VAC)
EN55024 (240 VAC)
Dips and Interruptions
EN60601-1-2 (100 VAC)
EN60601-1-2 (240 VAC)
3
Int >95% (0 VAC), 8.3ms
Dip 30% (70 VAC), 416ms
A
A
B
Int >95% (0 VAC), 4160ms
B
Int >95% (0 VAC), 10.0ms
A
Dip 30% (168 VAC), 500ms
B
Int >95% (0 VAC), 5000ms
B
Int >95% (0 VAC), 10.0ms
A
Dip 60% (40 VAC), 100ms
A
Dip 30% (70 VAC), 500ms
A
Int >95% (0 VAC), 5000ms
B
Int >95% (0 VAC), 10.0ms
A
Dip 60% (96 VAC), 100ms
A
Dip 30% (168 VAC), 500ms
A
Int >95% (0 VAC), 5000ms
B
Notes & Conditions
Derate output power to 85 W
Safety Approvals
Safety Agency
CB Report
UL
TUV
5
Safety Standard
Notes & Conditions
IEC60950-1 Ed 2
Information Technology
IEC60601-1 Ed 3 Including Risk Management
Medical
UL60950-1, CSA 22.2 No.60950-1-1:08
Information Technology
ANSI/AAMI ES60601-1:2005 & CSA C22.2, No.60601-1:08
Medical
EN60950-1
Information Technology
EN60601-1/A12:2006
Medical
CE
LVD & RoHS
Equipment Protection Class
Class I
See safety agency conditions of acceptibility for details
Means of Protection
Category
Primary to Secondary
2 x MOPP (Means of Patient Protection)
Primary to Earth
1 x MOPP (Means of Patient Protection)
Secondary to Earth
N/A
IEC60601-1 Ed 3
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CMH250 Series
AC-DC Power Supplies
Mechanical Details
CMH250PSxx
6.20 (157.5)
0.40 (10.2)
1.57 ±0.02
(39.9 ±0.5)
1.00 (25.4)
M3 MOUNTING HOLES IN 4 POSITIONS.
MAX PENETRATION 2.5mm
0.90 (22.9)
7.00 ±0.02 (177.8±0.5)
5.20 (132.1)
1.00 (25.4)
4.00 ±0.02
(101.6±0.5)
L
-VE CON3
1.01 (25.7)
N
E
1.05 (26.6)
+VE CON2
2.00 (50.8)
OUTPUT TERMINALS
M4 SCREW IN 2 POSITIONS
TORQUE TO 8 LBS-IN
(90 cNm) MAX.
0.83 (21.1)
0.59 (15.1)
M3 MOUNTING HOLES IN 4 POSITIONS.
MAX PENETRATION 2.5mm
CMH250PSxx-01,-50 (Standby & Signals Option)
MATING HALF - p/n JST PHDR-12VS
CONTACT - 26-22 AWG p/n JST SPHD-001T-P0.5
SIGNALS CONNECTOR
0.90 (157.5)
0.40 (10.2)
1.57 ±0.02
(39.9 ±0.5)
PIN 12.
1.00 (25.4)
PIN 2.
PIN 1.
PIN 11.
M3 MOUNTING HOLES IN 4 POSITIONS.
MAX PENETRATION 2.5mm
CON 5
5.20 (132.1)
0.90 (22.9)
7.00 ±0.02 (177.8±0.5)
1.00 (25.4)
A
4.00 ±0.02
(101.6±0.5)
L
1.05 (26.6)
-VE CON3
1.01 (25.7)
N
E
+VE CON2
2.00 (50.8)
OUTPUT TERMINALS
M4 SCREW IN 2 POSITIONS
TORQUE TO 8 LBS-IN
(90 cNm) MAX.
0.83 (21.1)
0.59 (15.1)
Input Connector CON1
Pin
Function
1
Line
2
Neutral
3
Earth
Output Connector
CON2
+V1
CON3
-V1
M3 MOUNTING HOLES IN 4 POSITIONS.
MAX PENETRATION 2.5mm
Signals Connector CON5
1
-VE Standby V2
2
-VE Standby V2
3
+VE Standby V2
4
+VE Standby V2
5
+VE Fan Supply V3
6
-VE Fan Supply V3
7
+VE Sense
8
- VE Sense
9
Current Share
10
Inhibit
11
Power Fail
12
N/C
Notes
1. Dimensions shown in inches (mm).
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6
CMH250 Series
AC-DC Power Supplies
Mechanical Details
CMH250PSxx-C (Covered)
1.92 ±0.02
(48.9 ±0.5)
7.39 ±0.02 (187.8 ±0.5)
0.94 (23.9)
5.20 (132.1)
1.06 (26.9)
4.06 ±0.02
(103.1 ±0.5)
M4 SCREW IN 2 POSITIONS
TORQUE TO 8 LBS-IN
(90 cNm) MAX.
N
1.11 (28.1)
2.00 (50.8)
-VE CON3 OUTPUT TERMINALS
1.01 (25.7)
L
+VE CON2
E
0.83 (21.1)
0.59 (15.1)
M3 MOUNTING HOLES IN 4 POSITIONS.
MAX PENETRATION 2.5mm
CMH250PSxx-01C,-50C (Covered Standby Option)
MATING HALF - p/n JST PHDR-12VS
CONTACT - 26-22 AWG p/n JST SPHD-001T-P0.5
SIGNALS CONNECTOR
1.92 ±0.02
(48.9 ±0.5)
PIN 12.
PIN 2.
PIN 1.
PIN 11.
7.39 ±0.02 (187.8 ±0.5)
DETAIL A
5.20 (132.1)
0.94 (23.9)
1.06 (26.9)
A
4.12 ±0.02
(104.6 ±0.5)
L
1.05 (26.6)
N
E
M4 SCREW IN 2 POSITIONS
TORQUE TO 8 LBS-IN
(90 cNm) MAX.
+VE CON2
0.83 (21.1)
0.59 (15.1)
Input Connector CON1
Pin
Function
1
Line
2
Neutral
3
Earth
Output Connector
CON2
+V1
CON3
-V1
Notes
1. Dimensions shown in inches (mm).
7
2.00 (50.8)
-VE CON3 OUTPUT TERMINALS
1.01 (25.7)
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M3 MOUNTING HOLES IN 4 POSITIONS.
MAX PENETRATION 2.5mm
Signals Connector CON5
1
-VE Standby V3
2
-VE Standby V3
3
+VE Standby V3
4
+VE Standby V3
5
+VE Aux V2
6
-VE Aux V2
7
+VE Sense
8
- VE Sense
9
Current Share
10
Inhibit
11
Power Fail
12
N/C
CMH250 Series
AC-DC Power Supplies
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 below for component locations.
Temperature Measurements (At Ambient 50 °C)
Component
Max Temperature °C
PFC1 Coil
120 ° C
T1 Coil
120 ° C
C5
105 ° C
C3
105 ° C
Service Life
The estimated service life of the CMH250 Series 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 capacitors with in the product when installed by the end application. The worst case of the two figures should be taken as the indicative
service life in 24/7 operation.
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
180000
160000
Lifetime (Hrs)
140000
120000
100000
80000
60000
40000
20000
0
105
95
85
75
65
55
C5
C5 Temperature (°C)
PFC1
T1
(Underneath)
250000
C3
Lifetime (Hrs)
200000
150000
100000
50000
0
105
95
85
75
65
55
C3 Temperature (°C)
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11 June 15
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