MEV3S0509SC [MURATA]
民用设备,工业设备;
| 型号： | MEV3S0509SC |
| 厂家： | 
muRata |
| 描述： | 民用设备,工业设备 |
| 文件： | 总7页 (文件大小：319K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MEV3 Series
s
3kVDC Isolated 3W Single Output DC/DC Converters
SELECTION GUIDE
Order Code
V
5
V
5
mA
600
333
250
200
600
333
250
200
mA
700
680
700
700
300
280
280
280
%
mVp-p
39
%
81.5
85.3
%
83
87
pF
28
43
32
40
34
50
63
70
kHrs
6029
5163
5995
5426
6063
6056
6572
5754
MEV3S0505SC
MEV3S0509SC
MEV3S0512SC
MEV3S0515SC
MEV3S1205SC
MEV3S1209SC
MEV3S1212SC
MEV3S1215SC
6.8
5.5
5
8
7
50
35
35
30
50
35
30
30
5
9
24
20
18
34
22
16
13
5
12
15
5
7
81.5 85.5
5
5
6
85
87.5
84
FEATURES
ꢀUL 60950 recognised
12
12
12
12
4.5
3.6
3.2
2.8
6
81.5
9
5
85.5 87.5
ꢀTypical efficiency from 83%
12
15
4.5
4
86
87
88
89
ꢀWide temperature performance at full
3 Watt load, –40°C to 85°C
INPUT CHARACTERISTICS
ꢀIndustry standard pinout
Parameter
Conditions
Min.
4.5
Typ.
Max.
Units
V
Continuous operation, 5V input types
Continuous operation, 12V input types
5V input types
5
12
8
5.5
13.2
18
ꢀ3kVDC isolation (1 minute) ‘Hi Pot Test’
ꢀ5V & 12V input
Voltage range
10.8
Reflected ripple current
mA p-p
12V input types
6.5
15
ꢀ5V, 9V, 12V, & 15V output
ꢀNo external components required
ꢀNo electrolytic or tantalum capacitors
OUTPUT CHARACTERISTICS
Parameter
Conditions
Min.
Typ.
1.01
Typ.
Max.
3
Units
W
Rated Power
TA=-40°C to 85°C
ꢀPin compatible with MEV1, NMK & NMV
series
Voltage Set Point Accuracy See tolerance envelope
Line regulation High VIN to low VIN
1.1
%/%
PRODUCT OVERVIEW
The MEV3 series is a new range of high
ISOLATION CHARACTERISTICS
Parameter
Conditions
Min.
3000
10
Max.
Units
VDC
GΩ
performance 3W DC/DC converters, offering 3W
of available output power in a previously rated
2W package capable of operation over the full
industrial temperature range of -40ºC to 85ºC.
Available in an industry standard SIP package,
with a pin compatible power upgrade path from
the 1W NMV/MEV and 2W NMK series’, they
are ideally suited for providing local supplies on
control system boards with the added benefit of
3kVDC galvanic isolation.
Isolation test voltage
Resistance
Flash tested for 1 minute
Viso= 1000VDC
GENERAL CHARACTERISTICS
Parameter
Conditions
Min.
Typ.
60
Max.
Units
kHz
Switching frequency
TEMPERATURE CHARACTERISTICS
Parameter
Specification
Storage
Conditions
All output types
Min.
-40
Typ.
Max.
85
Units
°C
-50
125
37
MEV3S0505SC
All other types
Case Temperature rise
above ambient
35
Cooling
Free air convection
ABSOLUTE MAXIMUM RATINGS
Lead temperature 1mm from case for 10 seconds
Input voltage VIN, MEV05 types
260°C
7V
Input voltage VIN, MEV12 types
15V
1. See Ripple & Noise characterisation method.
2. Calculated using MIL-HDBK-217F FN2 with nominal input voltage at full load.
All specifications typical at T =25°C, nominal input voltage and rated output current unless otherwise specified.
For full details go to
www.murata-ps.com/rohs
A
www.murata-ps.com/support
KDC_MEV3.C02 Page 1 of 7
MEV3 Series
3kVDC Isolated 3W Single Output DC/DC Converters
TEMPERATURE DERATING GRAPH
OUTPUT VOLTAGE TOLERANCE ENVELOPE
5%
4.5
3.0
2%
85°C
VNOM
0%
1.5 Safe Operating Area
-4%
100
75
Output Load Current (%)
10 25
50
0
-40
100
Ambient Temperature (°C)
150
0
50
The voltage tolerance envelope shows typical load regulation characteristics for
this product series. The tolerance envelope is the maximum output voltage varia-
tion due to changes in output loading.
TECHNICAL NOTES
ISOLATION VOLTAGE
‘Hi Pot Test’, ‘Flash Tested’, ‘Withstand Voltage’, ‘Proof Voltage’, ‘Dielectric Withstand Voltage’ & ‘Isolation Test Voltage’ are all terms that relate to the same thing, a test voltage,
applied for a specified time, across a component designed to provide electrical isolation, to verify the integrity of that isolation.
Murata Power Solutions MEV3 series of DC/DC converters are all 100% production tested at their stated isolation voltage. This is 3kVDC for 1 minute.
A question commonly asked is, “What is the continuous voltage that can be applied across the part in normal operation?”
The MEV3 series has been recognised by Underwriters Laboratory for functional insulation. Both input and output should normally be maintained within SELV limits i.e. less than
42.4V peak, or 60VDC. The isolation test voltage represents a measure of immunity to transient voltages and the part should never be used as an element of a safety isolation sys-
tem. The part could be expected to function correctly with several hundred volts offset applied continuously across the isolation barrier; but then the circuitry on both sides of the
barrier must be regarded as operating at an unsafe voltage and further isolation/insulation systems must form a barrier between these circuits and any user-accessible circuitry
according to safety standard requirements.
REPEATED HIGH-VOLTAGE ISOLATION TESTING
It is well known that repeated high-voltage isolation testing of a barrier component can actually degrade isolation capability, to a lesser or greater degree depending on materials,
construction and environment. The MEV3 series has toroidal isolation transformers, with no additional insulation between primary and secondary windings of enameled wire. While
parts can be expected to withstand several times the stated test voltage, the isolation capability does depend on the wire insulation. Any material, including this enamel (typically
polyurethane) is susceptible to eventual chemical degradation when subject to very high applied voltages thus implying that the number of tests should be strictly limited. We
therefore strongly advise against repeated high voltage isolation testing, but if it is absolutely required, that the voltage be reduced by 20% from specified test voltage.
This consideration equally applies to agency recognised parts rated for better than functional isolation where the wire enamel insulation is always supplemented by a further
insulation system of physical spacing or barriers.
SAFETY APPROVAL
The MEV3 series has been recognised by Underwriters Laboratory (UL) to UL 60950 for functional insulation in a maximum ambient temperature of 85ºC and/or case temperature
limit of 130ºC. Case temperature measured on the face opposite the pins. File number E151252 applies.
The MEV3 Series of converters are not internally fused so to meet the requirements of UL 60950 an input line fuse should always be used. An anti-surge 2.5A should be used for
MEV3S05xxSC models, and an anti-surge 1A should be used for MEV3S12xxSC models. All fuses should be UL approved and rated to at least the maximum allowable DC input
voltage.
RoHS COMPLIANT INFORMATION
This series is compatible with RoHS soldering systems with a peak wave solder temperature of
260°C for 10 seconds. The pin termination finish on the SIP package type is Tin Plate, Hot Dipped
over Matte Tin with Nickel Preplate. They are backward compatible with Sn/Pb soldering systems.
For further information, please visit www.murata-ps.com/rohs
www.murata-ps.com/support
KDC_MEV3.C02 Page 2 of 7
MEV3 Series
3kVDC Isolated 3W Single Output DC/DC Converters
APPLICATION NOTES
Minimum load
The minimum load to meet datasheet specification is 10% of the full rated load across the specified input voltage range. Lower than 10% minimum loading will result in
an increase in output voltage, which may rise to typically double the specified output voltage if the output load falls to less than 5%.
Capacitive loading and start up
Typical start up times for this series, with a typical input voltage rise time of 2.2μs and output capacitance of 10μF, are shown in the table below. The product
series will start into a capacitance of 47μF with an increased start time, however, the maximum recommended output capacitance is 10μF.
Typical Start-Up Wave Form
Start-up time
μs
MEV3S0505SC
MEV3S0509SC
MEV3S0512SC
MEV3S0515SC
MEV3S1205SC
MEV3S1209SC
MEV3S1212SC
MEV3S1215SC
165
300
650
1200
75
200
350
410
Ripple & Noise Characterisation Method
Ripple and noise measurements are performed with the following test configuration.
C1
C2
1μF X7R multilayer ceramic capacitor, voltage rating to be a minimum of 3 times the output voltage of the DC/DC converter
10μF tantalum capacitor, voltage rating to be a minimum of 1.5 times the output voltage of the DC/DC converter with an ESR of less
than 100mꢀ at 100 kHz
C3
R1
100nF multilayer ceramic capacitor, general purpose
450ꢀ resistor, carbon film, 1% tolerance
R2
50ꢀ BNC termination
T1
3T of the coax cable through a ferrite toroid
RLOAD
Resistive load to the maximum power rating of the DC/DC converter. Connections should be made via twisted wires
Measured values are multiplied by 10 to obtain the specified values.
Differential Mode Noise Test Schematic
DC/DC Converter
OSCILLOSCOPE
Y INPUT
R2
C1 C2 C3
R1
T1
+
+
Input
Output
SUPPLY
-
-
R LOAD
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KDC_MEV3.C02 Page 3 of 7
MEV3 Series
3kVDC Isolated 3W Single Output DC/DC Converters
EMC FILTERING AND SPECTRA
FILTERING
A input capacitor and inductor is required to meet EN 55022 Curve B, Quasi-Peak EMC limit, as shown in the following plots.
L
DC
Power
Source
Load
C
DC
C
L
2.2μF ceramic capacitor
10μH inductor (TH - 11R103C or SMT - 82103C)
MEV3S0505SC
MEV3S0509SC
80
70
60
50
40
30
20
10
80
70
60
50
40
30
20
10
0
1.00E+05
0
1.00E+05
1.00E+06
1.00E+07
1.00E+08
1.00E+06
1.00E+07
1.00E+08
Frequency (Hz)
Frequency (Hz)
MEV3S0512SC
MEV3S0515SC
80
70
60
50
40
30
20
10
80
70
60
50
40
30
20
10
0
1.00E+05
0
1.00E+05
1.00E+06
1.00E+07
1.00E+08
1.00E+06
1.00E+07
1.00E+08
Frequency (Hz)
Frequency (Hz)
MEV3S1205SC
MEV3S1209SC
80
70
60
50
40
30
20
10
80
70
60
50
40
30
20
10
0
1.00E+05
0
1.00E+05
1.00E+06
1.00E+07
1.00E+08
1.00E+06
1.00E+07
1.00E+08
Frequency (Hz)
Frequency (Hz)
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KDC_MEV3.C02 Page 4 of 7
MEV3 Series
3kVDC Isolated 3W Single Output DC/DC Converters
EMC FILTERING AND SPECTRA (continued)
MEV3S1212SC
MEV3S1215SC
80
70
60
50
40
30
20
10
0
80
70
60
50
40
30
20
10
0
1.00E+05
1.00E+06
1.00E+07
1.00E+08
1.00E+05
1.00E+06
1.00E+07
1.00E+08
Frequency (Hz)
Frequency (Hz)
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KDC_MEV3.C02 Page 5 of 7
MEV3 Series
3kVDC Isolated 3W Single Output DC/DC Converters
APPLICATION NOTES (continued)
Output Ripple Reduction
By using the values of inductance and capacitance stated, the output ripple at the rated load is lowered to 5mV p-p max.
Component selection
Capacitor: It is required that the ESR (Equivalent Series Resistance) should be as low as possible, ceramic types are recommended.
The voltage rating should be at least twice (except for 15V output), the rated output voltage of the DC/DC converter.
Inductor: The rated current of the inductor should not be less than that of the output of the DC/DC converter. At the rated current, the DC resistance of the inductor
should be such that the voltage drop across the inductor is <2% of the rated voltage of the DC/DC converter.
L
DC
Power
Source
Load
C
DC
Inductor
SMD
Capacitor
L, μH
10
Through Hole
11R103C
11R223C
11R473C
11R473C
11R103C
11R223C
11R473C
11R473C
C, μF
4.7
2.2
1
MEV3S0505SC
MEV3S0509SC
MEV3S0512SC
MEV3S0515SC
MEV3S1205SC
MEV3S1209SC
MEV3S1212SC
MEV3S1215SC
84103C
84223C
84473C
84473C
84103C
84223C
84473C
84473C
22
47
47
1
10
4.7
2.2
1
22
47
47
1
EFFICIENCY VS LOAD
MEV3505xxSC Input Voltage
MEV3512XXSC Input Voltage
90
80
90
80
70
70
60
50
40
30
20
10
0
15V
12V
9V
15V
60
50
40
30
20
10
0
12V
9V
5V
5V
0
10
20
30
40
50
60
70
80
90
100
0
10
20
30
40
50
60
70
80
90
100
Load (%)
Load (%)
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KDC_MEV3.C02 Page 6 of 7
MEV3 Series
3kVDC Isolated 3W Single Output DC/DC Converters
PACKAGE SPECIFICATIONS
MECHANICAL DIMENSIONS
RECOMMENDED FOOTPRINT DETAILS
19.65 [0.774] MAX
]
1.15
1.00
0.045
0.039
X 4 HOLES
Ø
Ø
]
2.54 [0.100]
7.65 [0.301] MAX
MEV3S0505SC
XYYWW
10.15 [0.400] MAX
2.54 [0.100]
1
2
5
7
4.10 0.50 [0.161 0.020]
2.54 [0.100]
0.50 [0.020]
5.08 [0.200]
TUBE OUTLINE DIMENSIONS
9.3 [0.366]
0.25 [0.010]
[
1.45 0.057
[
1.00 0.039
15.24 [0.600]
[
2.52 0.099
1.54 0.061
[
Unless otherwise stated all dimensions in mm (inches) 0.05mm (0.002”).
Controlling dimension is mm.
All pins on a 2.54mm (0.100”) pitch and within 0.25mm (0.010”) of true position.
12.43 [0.489]
Weight: 2.9g
18.0 [0.709]
PIN CONNECTIONS
Pin
1
Function
+VIN
2
-VIN
5
-VOUT
7
+VOUT
5.0 [0.197]
Unless otherwise specified all dimensions in mm [inches] 0.55mm [0.022].
Tube Length : 520mm [20.472] 2.0 [0.079].
Tube Quantity : 25
This product is subject to the following operating requirements
and the Life and Safety Critical Application Sales Policy:
Refer to: http://www.murata-ps.com/requirements/
Murata Power Solutions, Inc.
11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A.
ISO 9001 and 14001 REGISTERED
Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other
technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply
the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without
notice.
© 2017 Murata Power Solutions, Inc.
www.murata-ps.com/support
KDC_MEV3.C02 Page 7 of 7
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