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NMG1512SC

P1-P3P4-P6P7-P7
NMG Series
Isolated 2W Single Output DC/DC Converters
KDC_NMG.E02 Page 1 of 7
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For full details go to
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SELECTION GUIDE
Order Code
Nominal Input
Voltage
Output
Voltage
Output Current
Input Current at
Rated Load
Load Regulation
(Typ)
Load Regulation
(Max)
Ripple & Noise
(Typ)
1
Ripple & Noise
(Max)
1
Efficiency (Min.)
Efficiency (Typ.)
Isolation
Capacitance
MTTF
2
V V mA mA % mVp-p % % pF kHrs
NMG0505SC 5 5 400 470 5.7 7.3 28 35 81 83 33 3956
NMG0509SC 5 9 222 455 4.2 5.9 20 25 84 86.5 40 3682
NMG0512SC 5 12 167 450 3.8 5.1 18 25 84 87.5 40 3299
NMG0515SC 5 15 133 450 3.4 4.5 16 25 84 87.5 40 2833
NMG0524SC 5 24 83 465 4.3 6 35 60 82 85 35 2189
NMG1205SC 12 5 400 200 4.2 4.9 22 35 81 83.5 40 2519
NMG1209SC 12 9 222 190 2.6 3.1 16 25 83 87 61 2405
NMG1212SC 12 12 167 190 2.4 2.9 13 25 85 88 74 2235
NMG1215SC 12 15 133 185 2.0 2.4 12 25 85 88 68 2011
NMG1224SC 12 24 83 190 2.6 4 25 40 84 86.5 60 2189
NMG1505SC 15 5 400 160 4.3 6 40 60 80 83 40 3963
NMG1509SC 15 9 222 155 2.9 4.5 25 40 82 86.5 55 3176
NMG1512SC 15 12 167 150 2.4 3.5 25 40 84 87.5 65 2875
NMG1515SC 15 15 133 150 2.3 3.5 25 40 84 88 75 2483
NMG2405SC 24 5 400 100 4.1 6 40 70 80 84 45 3659
NMG2409SC 24 9 222 95 2.6 4 30 50 84 87.5 55 2496
NMG2412SC 24 12 167 95 2.1 3.5 25 50 84 88 75 3824
NMG2415SC 24 15 133 95 2 3.5 30 50 85 88.5 85 3500
When operated with additional external load capacitance the rise time of the input voltage will determine the maximum external
capacitance value for guaranteed start up. The slower the rise time of the input voltage the greater the maximum value of the
additional external capacitance for reliable start up.
INPUT CHARACTERISTICS
Parameter Conditions Min. Typ. Max. Units
Voltage range
Continuous operation, 5V input types 4.5 5 5.5
V
Continuous operation, 12V input types 10.8 12 13.2
Continuous operation, 15V input types 13.5 15 16.5
Continuous operation, 24V input types 21.6 24 26.4
Reflected ripple current 7.5 15 mA p-p
ABSOLUTE MAXIMUM RATINGS
Lead temperature 1.5mm from case for 10 seconds 260°C
Internal power dissipation 550mW
Input voltage V
IN, NMG05 types 7V
Input voltage V
IN, NMG12 types 15V
Input voltage V
IN, NMG15 types 18V
Input voltage V
IN, NMG24 types 28V
OUTPUT CHARACTERISTICS
Parameter Conditions Min. Typ. Max. Units
Rated Power
T
A=-40°C to 85°C
2W
Voltage Set Point Accuracy See tolerance envelope
Line regulation High V
IN to low VIN 1.05 1.2 %/%
PRODUCT OVERVIEW
The NMG series of DC/DC Converters is
particularly suited to isolating and/or converting
DC power rails. The galvanic isolation allows the
device to be configured to provide an isolated
negative rail in systems where only positive rails
exist. The wide temperature range guarantees
startup from –40°C and full 2 watt output at 85°C.
Pin compatibility with the NMR and MER1 series
ensures ease of upgradeability.
FEATURES
UL 60950 recognised
Efficiency from 80%
Wide temperature performance at full
2 Watt load, –40°C to 85°C
UL 94V-0 package material
Industry standard pinout
1kVDC isolation
5V, 12V, 15V & 24V input
5V, 9V, 12V, & 15V output
Internal SMD construction
Fully encapsulated with toroidal
magnetics
No external components required
MTTF up to 3.9 million hours
Pin compatible with NMR series
No electrolytic or tantalum capacitors
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
A=25°C, nominal input voltage and rated output current unless otherwise specified.
NMG Series
Isolated 2W Single Output DC/DC Converters
KDC_NMG.E02 Page 2 of 7
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ISOLATION CHARACTERISTICS
Parameter Conditions Min. Typ. Max. Units
Isolation test voltage Flash tested for 1 second 1000 VDC
Resistance Viso= 1000VDC 10 GΩ
GENERAL CHARACTERISTICS
Parameter Conditions Min. Typ. Max. Units
Switching frequency
24V output types 70
kHz
All other types 60
TEMPERATURE CHARACTERISTICS
Parameter Conditions Min. Typ. Max. Units
Specification All output types -40 85
°C
Storage -50 125
Case Temperature above
ambient
5V input types and 5V output types 30
All other types 25
Cooling Free air convection
EFFICIENCY VS LOAD
5V Input 12V Input
15V Input 24V Input
0
10
20
30
40
50
60
70
80
90
0 102030405060708090100
Load (%)
Efficiency (%)
NMG0512SC
NMG0505SC
NMG0509SC
NMG0515SC
NMG0524SC
0
10
20
30
40
50
60
70
80
90
0 102030405060708090100
Load (%)
Efficiency (%)
NMG1505SC
NMG1509SC
NMG1512SC
NMG1515SC
0
10
20
30
40
50
60
70
80
90
0 102030405060708090100
Load (%)
Efficiency (%)
NMG1205SC
NMG1209SC
NMG1212SC
NMG1215SC
NMG1224SC
0
10
20
30
40
50
60
70
80
90
0 102030405060708090100
Load (%)
Efficiency (%)
NMG2405SC
NMG2409SC
NMG2412SC
NMG2415SC
NMG Series
Isolated 2W Single Output DC/DC Converters
KDC_NMG.E02 Page 3 of 7
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TEMPERATURE DERATING GRAPH
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 NMG series of DC/DC converters are all 100% production tested at their stated isolation voltage. This is 1kVDC for 1 minute.
A question commonly asked is, “What is the continuous voltage that can be applied across the part in normal operation?”
The NMG series has been recognized 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 NMG 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 COMPLIANCE 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 is Tin Plate, Hot Dipped over Matte Tin with Nickel
Preplate. This series are backward compatible with Sn/Pb soldering systems.
For further information, please visit www.murata-ps.com/rohs
150100
50
0
-40
0
1
2
3
Safe Operating Area
85°C
Ambient Temperature (°C)
Output Power (W)
SAFETY APPROVAL
The NMG 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 NMG 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 2A should be used for
NMG05xxSC models, and an anti-surge 0.75A should be used for NMG12xxSC models. All fuses should be UL approved and rated to at least the maximum allowable DC input
voltage.
P1-P3P4-P6P7-P7

NMG1512SC

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Isolated DC/DC Converters 2W 15Vin 12Vout Single Output
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