NCS6 Series
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Isolated 6W 4:1 Input Single & Dual Output DC-DC Converters
SELECTION GUIDE
Input Output
Input Current Ripple & Efciency
Voltage Current
Output
1
Noise MTTF
100% 0% 100%
Voltage
Order Code
Nom. Min. Typ.
(Typ.)
Load Load Load
V V A mA mA mV p-p % % Hrs
NCS6D1205C 12 5 0.6 7 610 15 80 82 384,470
NCS6D1212C 12 12 0.25 10 580 10 82 86 406,121
NCS6D1215C 12 15 0.2 12 580 20 84 87 344,957
NCS6S1203C 12 3.3 1.52 10 550 30 75 78 662,073
NCS6S1205C 12 5 1.2 7 610 30 79 82 521,975
NCS6S1212C 12 12 0.5 10 580 30 84 86 435,567
NCS6S1215C 12 15 0.4 12 580 30 85 87 437,582
FEATURES
NCS6D4805C 48 5 0.6 6 160 50 79 80 373,195
UL 60950 recognised
NCS6D4812C 48 12 0.25 7 150 30 82 84 391,563
NCS6D4815C 48 15 0.2 7 150 30 82 84 330,752
RoHS compliant
NCS6S4803C 48 3.3 1.52 10 150 40 73 76 483,460
4:1 Wide range voltage input
NCS6S4805C 48 5 1.2 6 160 30 78 80 441,850
NCS6S4812C 48 12 0.5 7 150 30 82 84 408,555
Operating temperature range 40C to
NCS6S4815C 48 15 0.4 7 150 30 83 84 416,319
85C
INPUT CHARACTERISTICS
Typical load regulation from 0.06%
Parameter Conditions Min. Typ. Max. Units
1.5kVDC Isolation
12V input types 9 12 36
Voltage range V
48V input types 18 48 75
Typical efciency to 87%
Turn on threshold 12V input types 8.5
12V & 48V Nominal input
Turn off threshold 12V input types 7.5
Under voltage lock out V
3
Turn on threshold 48V input types 16.7
Power density 0.94W/cm
Turn off threshold 48V input types 15.8
UL 94V-0 Package materials
Single output types 12
12V input types
No electrolytic capacitors Dual output types 4
Reected ripple current
Single output types 9
Low noise 48V input types mA p-p
Dual output types 6
Under voltage lock out
OUTPUT CHARACTERISTICS
Current fold back
Parameter Conditions Min. Typ. Max. Units
5V, 12V & 15V output types 6
Rated power W
PRODUCT OVERVIEW
3.3V output types 5
The NCS6 series of DC-DC converters offers Positive outputs 2
Voltage set point accuracy
single & dual output voltages from input voltage Negative outputs 3 %
ranges of 9-36V and 18-75V. The NCS6 is housed Positive outputs 0.002 0.2
Line regulation Low line to high line %
in an industry standard package with a standard
Negative outputs 0.09 0.7
pinout. The NCS6 is packaged in a metal case for
3V outputs 0.5 0.6
improved EMI shielding and is also encapsulated
5V positive outputs 0.3 0.5
10% total load to
Load Regulation %
for superior thermal performance. 100% total load
12V & 15V positive outputs 0.06 0.2
All negative outputs 0.2 1.0
Applications include telecommunications, battery
% voltage change on
powered systems, process control and distributed
negative output when
5V 5
positive load varies
power systems.
Cross Regulation %
from 12.5% to 37.5%
with negative load xed 12V & 15V 2.5
at 50%
Single output types
3.3V & 5V output 2.5
types Dual output types
25
Single output types
4.6
Start-up Time 12V output types mS
Dual output types
11
Single output types
5.5
15V output types
Dual output types
14
For full details go to
1 Calculated using MIL-HDBK-217F FN2, parts stress method with nominal input voltage at full load.
www.murata-ps.com/rohs
All specications typical at TA=25C, nominal input voltage and rated output current unless otherwise specied.
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KDC_NCS6C.D05 Page 1 of 11NCS6 Series
Isolated 6W 4:1 Input Single & Dual Output DC-DC Converters
ISOLATION CHARACTERISTICS
Parameter Conditions Min. Typ. Max. Units
Isolation test voltage Flash tested for 1 seconds 1500 VDC
Resistance Viso = 1kVDC 1 G
Capacitance 225 pF
ABSOLUTE MAXIMUM RATINGS
Short-circuit protection (for SELV input voltages) Continuous
Internal power dissipation 2.1W
Lead temperature 1.0mm from case for 10 seconds
260C
(to JEDEC JESD22-B106 ISS C)
Minimum output load for specication (see application notes) 10% of rated load
Input voltage, NCS6 12V input types 40V
Input voltage, NCS6 48V input types 80V
1
GENERAL CHARACTERISTICS
Parameter Conditions Min. Typ. Max. Units
Switching frequency 180 kHz
TEMPERATURE CHARACTERISTICS
Parameter Conditions Min. Typ. Max. Units
Operation -40 85
Storage -50 125
5V 36
48VIN Dual outputs 12V 32
15V 31
C
100% Load, Nom VIN,
Case temperature rise above ambient 3.3V 32
Still Air
5V 32
All other output types
12V 28
15V 26
Thermal shutdown Case Temperature 105
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KDC_NCS6C.D05 Page 2 of 11