Murata MEE3S1209SC 1kvdc isolated 3w single output dc/dc converter Datasheet

MEE3 Series
www.murata-ps.com
1kVDC Isolated 3W Single Output DC/DC Converters
„
Power density 2.68W/cm3
„
Wide temperature performance at full
3 Watt load, –40°C to 85°C3
Parameter
Efficiency (Min.)
MTTF2
70
45
45
45
60
40
40
40
Isolation
Capacitance
mVp-p
%
%
pF
MHrs
80
84
83
85
82
84
84
85
83
87
86
88
85
88
88
89
32
50
41
51
42
66
77
91
3.9
2.9
4.2
2.5
3.6
3.7
3.4
3.4
Voltage range
Reflected ripple current
Conditions
Min.
Typ.
Max.
Continuous operation, 5V input types
Continuous operation, 12V input types
5V input types
12V input types
4.5
10.8
5
12
5
5
5.5
13.2
15
15
Typ.
Max.
Units
3
W
1.01
1.1
%/%
Typ.
Max.
Units
OUTPUT CHARACTERISTICS
„
5V & 12V input
Parameter
Conditions
„
5V, 9V, 12V, & 15V output
Rated Power
Voltage Set Point Accuracy
Line regulation
TA=-40°C to 85°C
See tolerance envelope
High VIN to low VIN
„
No external components required
46
28
26
24
41
21
19
21
INPUT CHARACTERISTICS
„
Industry standard pinout
„
Fully encapsulated with toroidal
magnetics
8
6.5
6
6.5
6
5
4.5
4
%
6.3
5.2
4.7
4.7
4.3
3.5
3
2.7
Ripple & Noise
(Max)1
703
677
691
679
290
280
280
277
Load Regulation
(Typ)
mA
600
333
250
200
600
333
250
200
„
UL 94V-0 package material
„
No heatsink required
Input Current at
Rated Load
mA
5
9
12
15
5
9
12
15
Efficiency (Typ.)
„
Typical efficiency from 83%
V
5
5
5
5
12
12
12
12
Ripple & Noise
(Typ)1
„
RoHS compliant
V
MEE3S0505SC
MEE3S0509SC
MEE3S0512SC
MEE3S0515SC
MEE3S1205SC
MEE3S1209SC
MEE3S1212SC
MEE3S1215SC
Load Regulation
(Max)
„
UL 60950 recognized
Output
Voltage
FEATURES
Nominal Input
Voltage
Order Code
Output Current
SELECTION GUIDE
Min.
Units
V
mA p-p
ISOLATION CHARACTERISTICS
Parameter
Conditions
Min.
„
No electrolytic or tantalum capacitors
Isolation test voltage
Resistance
Flash tested for 1 second
Viso= 1000VDC
1000
10
PRODUCT OVERVIEW
GENERAL CHARACTERISTICS
The MEE3 series is a new range of high
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 85ºC3.
Available in an industry standard SIP package,
with a pin compatible power upgrade path from
the 1W NME/NKE and 2W NML series’, they are
ideally suited for providing local supplies on
control system boards with the added benefit of
1kVDC galvanic isolation.
Parameter
Conditions
Min.
Switching frequency
VDC
GΩ
Typ.
Max.
60
Units
kHz
TEMPERATURE CHARACTERISTICS
Parameter
Conditions
Min.
Specification
Storage
All output types
-40
-50
Case Temperature rise
above ambient
Cooling
Typ.
MEE3Sxx05SC, MEE3S0512C
MEE3S0515C, MEE3S1209C, MEE3S1212C
MEE3S1215C, MEE3S0509C
Free air convection
Max.
Units
85
125
40
35
30
°C
ABSOLUTE MAXIMUM RATINGS
Lead temperature 1mm from case for 10 seconds
Input voltage VIN, MEE3S05 types
Input voltage VIN, MEE3S12 types
For full details go to
www.murata-ps.com/rohs
260°C
7V
15V
1. See Ripple & Noise characterisation method.
2. Calculated using MIL-HDBK-217F FN2 with nominal input voltage at full load.
3. See safety approval section on page 2.
All specifications typical at TA=25°C, nominal input voltage and rated output current unless otherwise specified.
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KDC_MEE3.A02 Page 1 of 5
MEE3 Series
1kVDC Isolated 3W Single Output DC/DC Converters
TEMPERATURE DERATING GRAPH
OUTPUT VOLTAGE TOLERANCE ENVELOPE
5%
85°C
3.0
1.5
Output Voltage
Output Power (W)
4.5
l Loa
VNOM
d Lin
e
0%
Safe Operating Area
10
0
-40
2%
Typic
a
25
50
75
-4%
100
Output Load Current (%)
100
50
0
Ambient Temperature (°C)
150
The voltage tolerance envelope shows typical load regulation characteristics for
this product series. The tolerance envelope is the maximum output voltage variation 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 MEE3 series of DC/DC converters are all 100% production tested at their stated isolation voltage. This is 1kVDC for 1 second.
A question commonly asked is, “What is the continuous voltage that can be applied across the part in normal operation?”
The MEE3 series has been recognized by Underwriters Laboratory for functional isolation. 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 system. 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 MEE3 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 recognized 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.
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
SAFETY APPROVAL
The MEE3 series has been recognized by Underwriters Laboratory (UL) to UL 60950 for functional isolation in a maximum still air ambient temperature of 63°C and/or case temperature limit of 91°C. Case temperature measured on the face opposite the pins. File number E179522 applies.
The MEE3 series of converters are not internally fused so to meet the requirement of UL 60950, an input line fuse should always be used. An anti-surge 2.5A should be used for
MEE3S05xxSC models, and an anti-surge 1A should be used for MEE3S12xxSC models. All fuses should be UL approved and rated to at least the maximum allowable DC input
voltage.
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KDC_MEE3.A02 Page 2 of 5
MEE3 Series
1kVDC 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. The SRF (Self Resonant Frequency) should be
>20MHz.
L
DC
Power
Source
MEE3S0505SC
MEE3S0509SC
MEE3S0512SC
MEE3S0515SC
MEE3S1205SC
MEE3S1209SC
MEE3S1212SC
MEE3S1215SC
L, μH
10
22
47
47
10
22
47
47
C
Load
DC
Inductor
SMD
Through Hole
84103C
11R103C
84223C
11R223C
84473C
11R473C
84473C
11R473C
84103C
11R103C
84223C
11R223C
84473C
11R473C
84473C
11R473C
Capacitor
C, μF
4.7
2.2
1
1
4.7
2.2
1
1
Ripple & Noise Characterisation Method
Ripple and noise measurements are performed with the following test configuration.
C1
1μF X7R multilayer ceramic capacitor, voltage rating to be a minimum of 3 times the output voltage of the DC/DC converter
C2
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 100mΩ at 100 kHz
C3
100nF multilayer ceramic capacitor, general purpose
R1
450Ω resistor, carbon film, ±1% tolerance
R2
50Ω 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
C1 C2 C3
+
SUPPLY
Input
-
+
R1
T1
R2
Y INPUT
Output
-
R LOAD
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KDC_MEE3.A02 Page 3 of 5
MEE3 Series
1kVDC Isolated 3W Single Output DC/DC Converters
EFFICIENCY VS LOAD
MEE3S12xxSC Input Voltage
100
100
90
90
80
80
70
70
Efficiency (%)
Efficiency (%)
MEE3S05xxSC Input Voltage
60
15V
12V
9V
5V
50
40
60
50
40
30
30
20
20
10
10
0
0
10
20
30
40
50
Load (%)
60
70
80
90
100
15V
12V
9V
5V
0
0
10
20
30
40
50
Load (%)
60
70
80
90
100
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KDC_MEE3.A02 Page 4 of 5
MEE3 Series
1kVDC Isolated 3W Single Output DC/DC Converters
PACKAGE SPECIFICATIONS
MECHANICAL DIMENSIONS
PIN CONNECTIONS - 4 PIN SIP
SIP Package
14.15
(0.557) Max.
8.15
(0.321) Max.
Function
1
2
3
4
-VIN
+VIN
-VOUT
+VOUT
TUBE OUTLINE DIMENSIONS
MEE3S0505SC
XYYWWi
1
2
3
4
4.1±0.5
(0.16±0.020)
17.00 (0.669)
0.4 (0.016)
Min.
11.43 (0.45)
10.15
(0.400) Max.
Pin
0.55 (0.022)
0.45 (0.018)
3.16 (0.124)
3.87 (0.152)
0.25 (0.100)
1.00-1.45
(0.039-0.057)
4.00
(0.157)
9.05 (0.356)
7.62
(0.300)
0.50±0.15
(0.197±0.006)
All dimensions in mm ±0.1mm (inches ±0.004). All pins on a 2.54 (0.1) pitch
and within ± 0.25 (0.01) of true position.
Weight: 2.3 g
Unless otherwise stated all dimensions in mm (inches) ±0.5mm.
Tube length: 520mm ±2mm (20.47).
Tube Quantity: 35
RECOMMENDED FOOTPRINT DETAILS
4 HOLES
0.1 (0.00394)
1.15 (0.0453)
Ø
1.00 (0.0394)
2.54
(0.1)
2.54
(0.1)
Unless otherwise stated all dimensions in mm (inches) ±0.5mm.
Murata Power Solutions, Inc.
11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A.
ISO 9001 and 14001 REGISTERED
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. 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.
© 2012 Murata Power Solutions, Inc.
www.murata-ps.com/support
KDC_MEE3.A02 Page 5 of 5
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