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NTFS2415MC

P1-P3P4-P6P7-P8
NTF Series
Isolated 1W Wide Input DC/DC Converters
KDC_NTF.D01 Page 1 of 8
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SELECTION GUIDE
Order Code
2
Input
Voltage
Output
Voltage
Output
Current
Input Current Efficiency
MTTF
Nominal 100% Load 0% Load Shutdown 100% Load Min. Typ.
V V mA mA µA mA % kHrs
NTFS0505MC 5 5 200 25 72 320 59.0 62 921
NTFS0512MC 5 12 83 30 55 300 63.5 67 1118
NTFS0515MC 5 15 66 60 80 320 60.5 63 869
NTFS1205MC 12 5 200 10 70 110 68.0 73 1281
NTFS1212MC 12 12 83 12 34 130 62.0 66 1175
NTFS1215MC 12 15 66 15 33 120 62.0 66 1283
NTFS2405MC 24 5 200 6 96 120 65.0 70 1379
NTFS2412MC 24 12 83 8 48 60 65.0 68 1278
NTFS2415MC 24 15 66 9 50 60 65.0 67 1223
INPUT CHARACTERISTICS
Parameter Conditions Min. Typ. Max. Units
Voltage range
Continuous operation, 5V input types 4 5 6
V
Continuous operation, 12V input types 9 12 15
Continuous operation, 24V input types 18 24 36
Reflected ripple current
xx05 output types 12
mA p-p
xx12 output types 6
xx24 output types 6
OUTPUT CHARACTERISTICS
Parameter Conditions Min. Typ. Max. Units
Voltage set point
accuracy
With external input/output capacitors ±1 ±2 %
Line regulation Low line to high line, 0.2 1 %
Load regulation
10% load to 100% load, with external input/
output capacitors
0.1 1 %
Ripple & Noise BW=DC to 20MHz, all output types 100 150 mV p-p
Voltage trim range -10 +10 %V
OUT
GENERAL CHARACTERISTICS
Parameter Conditions Min. Typ. Max. Units
Switching frequency 50 700 kHz
ABSOLUTE MAXIMUM RATINGS
Short-circuit protection 15s
Lead temperature 1.5mm from case for 10 seconds 245°C
Input voltage V
IN, NTF05 types 10V
Input voltage V
IN, NTF12 types 17.5V
Input voltage V
IN, NTF24 types 40V
1 Calculated using MIL-HDBK-217F with nomial input voltage at full load (ground benign) at 25ºC.
2 If components are required in tape and reel format suffix order code with -R, e.g. NTF0505MC-R.
All specifications typical at T
A=25ºC, nominal input voltage and rated output current unless otherwise specified.
FEATURES
RoHS compliant
Efficiency from 60.5%
Wide temperature performance –40°C
to 85°C
UL 94V-0 Package material
Lead frame technology
5V, 12V, & 24V Input
5V, 12V & 15V Output
Internal SMD construction
1kVDC Isolation
MTTF up to 1.4 million hours
Power density 0.7W/cm
3
Multi layer ceramic capacitors
PRODUCT DESCRIPTION
The NTF 1W series of surface mount DC/DC
converters offer a tightly regulated output voltage
in a true surface mount device, available with
three wide input voltage ranges of 4-6V, 9-15V
and 18-36V. The NTF series’ employs leadframe
technology and transfer moulding techniques to
bring all of the benefits of IC style packaging to
hybrid circuitry. Co-planarity of the lead positions
is based upon IEC 191-6:1990. The devices are
suitable for all applications where high volume
production is envisaged.
1W
s
OBSOLETE
BSOLETE
NTF Series
Isolated 1W Wide Input DC/DC Converters
KDC_NTF.D01 Page 2 of 8
www.murata-ps.com/support
TEMPERATURE CHARACTERISTICS
Parameter Conditions Min. Typ. Max. Units
Operation See derating graphs -40 85
Storage -50 130
Cooling Free air convection
Case temperature rise above
ambient
30 ºC
ISOLATION CHARACTERISTICS
Parameter Conditions Min. Typ. Max. Units
Isolation test voltage Flash tested for 1 second 1000 VDC
Resistance Viso= 500VDC 1 10 GΩ
Capacitance 25 pF
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 NTF 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?”
For a part holding no specific agency approvals, such as the NTF series, 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 NTF 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.
NTF Series
Isolated 1W Wide Input DC/DC Converters
KDC_NTF.D01 Page 3 of 8
www.murata-ps.com/support
TEMPERATURE DERATING
NTFS0505 NTFS0512
NTFS0515 NTFS1205
NTFS1212 NTFS1215
0
20
40
60
80
100
120
-40-200 20406080
Temperature (ºC)
Maximum load (%)
Hi Vin
Nom Vin
Lo Vin
0
20
40
60
80
100
120
-40-200 20406080
Temperature (ºC)
Maximum load (%)
Lo Vin
Nom Vin
Hi Vin
0
20
40
60
80
100
120
-40 -20 0 20 40 60 80
Temperature (ºC)
Maximum load (%)
Lo Vin
Nom Vin
Hi Vin
0
20
40
60
80
100
120
-40-200 20406080
Temperature (ºC)
Maximum load (%)
Lo Vin
Hi Vin
Nom Vin
0
20
40
60
80
100
120
-40-200 20406080
Temperature (ºC)
Maximum load (%)
Lo Vin
Nom Vin
Hi Vin
0
20
40
60
80
100
120
-40-200 20406080
Temperature (ºC)
Maximum load (%)
Lo Vin
Nom Vin
Hi Vin
P1-P3P4-P6P7-P8

NTFS2415MC

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DC DC CONVERTER 15V 1W
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