MURATA-PS NCS12

NCS12 Series
www.murata-ps.com
Isolated 12W 4:1 Input Single & Dual Output DC/DC Converters
SELECTION GUIDE
Order Code
Input
Voltage Output Output
Voltage Current
Nom.
V
V
A
12
12
12
12
48
48
48
48
12
12
12
48
48
48
3.3
5
12
15
3.3
5
12
15
±5
±12
±15
±5
±12
±15
3.64
2.40
1.00
0.80
3.64
2.40
1.00
0.80
±1.2
±0.5
±0.4
±1.2
±0.5
±0.4
„
1.5kVDC Isolation
NCS12S1203C
NCS12S1205C
NCS12S1212C
NCS12S1215C
NCS12S4803C
NCS12S4805C
NCS12S4812C
NCS12S4815C
NCS12D1205C
NCS12D1212C
NCS12D1215C
NCS12D4805C
NCS12D4812C
NCS12D4815C
„
3.3V, 5V, 12V & 15V outputs
SELECTION GUIDE (Continued)
FEATURES
„
UL 60950 recognition pending
„
4:1 Wide range voltage input
„
Operating temperature range -40°C to 85°C
„
Typical load regulation from 0.05%
„
UL 94V-0 Package materials
„
No electrolytic capacitors
Order Code
„
Thermal shutdown
„
Under voltage lock out
„
Current fold back
PRODUCT OVERVIEW
The NCS12 series of DC/DC converters offers
single & dual output voltages from input voltage
ranges of 9-36V and 18-75V. The NCS12 is
housed in an industry standard package with
a standard pinout. The NCS12 is packaged in a
metal case for improved EMI shielding and is also
encapsulated for superior thermal performance.
Applications include telecommunications, battery
powered systems, process control and distributed
power systems.
Load Regulation
Positive Negative Positive Negative
Output Output Output Output
Typical
Max
%
%
%
1
0.5
0.1
0.1
1.2
0.5
0.1
0.1
0.15
0.05
0.05
0.15
0.05
0.05
1.5
1
0.3
0.3
2
1
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.2
0.1
0.5
0.4
0.4
2
1.5
1
2
1
1.5
MTTF1
Efficiency
Min.
%
Typ.
%
Hrs
78
85
83
83
81
85
82
84
80
83
84
78
83
83
83.5
88
84.5
85.5
85.5
87.5
84.5
85
81.5
85
86
80
85
85
269,492
313,578
230,569
195,596
341,943
418,117
296,593
259,485
182,655
158,750
140,435
165,931
215,533
146,257
10% Load
Typ. 12/48V
A
Input Current
10% Load
Typ. 24V
A
100% Load
Typ. 12/48V
A
Typ.
mVp/p
Max
mVp/p
0.15
0.1
0.1
0.06
0.05
0.05
0.03
0.03
0.04
0.04
0.05
0.03
0.03
0.03
0.1
0.16
0.06
0.1
0.08
0.08
0.06
0.06
0.07
0.07
0.07
0.07
0.07
0.07
1.2
1.1
1.2
1.2
0.3
0.3
0.3
0.3
1.25
1.2
1.5
0.3
0.3
0.4
60
50
80
100
100
90
75
90
35
40
55
70
84
55
125
125
125
125
125
125
125
125
100
100
100
100
100
100
NCS12S1203C
NCS12S1205C
NCS12S1212C
NCS12S1215C
NCS12S4803C
NCS12S4805C
NCS12S4812C
NCS12S4815C
NCS12D1205C
NCS12D1212C
NCS12D1215C
NCS12D4805C
NCS12D4812C
NCS12D4815C
Ripple and Noise
INPUT CHARACTERISTICS
Parameter
Voltage range
Under voltage lock out
Power consumption at
shutdown
Reflected ripple current
Conditions
12V input types
48V input types
Turn on threshold 12V input types
Turn off threshold 12V input types
Turn on threshold 48V input types
Turn off threshold 48V input types
NCS12X12
NCS12X48
48V dual output types
All other types
Min.
Typ.
Max.
Units
9
18
24
48
8.5
7.5
16.7
15.8
10
100
15
10
36
75
V
V
mW
mA p-p
1 Calculated using MIL-HDBK-217 FN2, parts stress method with nominal input voltage at full load.
For full details go to
www.murata-ps.com/rohs
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All specifications typical at TA=25°C, nominal input voltage and rated output current unless otherwise specified.
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KDC_NCS12C.A02 Page 1 of 14
NCS12 Series
Isolated 12W 4:1 Input Single & Dual Output DC/DC Converters
OUTPUT CHARACTERISTICS
Parameter
Conditions
Min.
Rated power
All output types
Minimal load to meet datasheet specification
Positive outputs
Voltage set point accuracy
Negative outputs
Line regulation
Cross Regulation
Transient response
Low line to high line
Typ.
Max.
Units
12
W
%
10
±2
±3
0.1
1
±6.5
±5
5
0.04
0.3
±4
±2
Positive outputs
Negative outputs
D1205 & D4805
D1212, D1215 ,D4812, D4815
Peak deviation (12.5-37.5% & 37.5-12.5% swing)
Single output types
Settling time
(within 1% Vout Nom.)
Dual output types
%
%
%
%Vout
500
250
μs
ISOLATION CHARACTERISTICS
Parameter
Conditions
Min.
Isolation test voltage
Resistance
Flash tested for 1 seconds
Viso = 1kVDC
S1203, S1205, S4803, S4805
All other types
1500
1
Capacitance
Typ.
Max.
Units
VDC
GΩ
600
230
pF
ABSOLUTE MAXIMUM RATINGS
Short-circuit protection (for SELV input voltages)
Control pin input voltage
Lead temperature 1.0mm from case for 10 seconds (to JEDEC JESD22-B106 ISS C)
Input voltage, NCS12 12V input types
Input voltage, NCS12 48V input types
30 minutes
18V Max
260°C
40V
80V
GENERAL CHARACTERISTICS1
Parameter
Switching frequency
Control pin input
Conditions
Min.
S1203, S1205, S4803 & S4805
All other types
Module on, pin unconnected or open collector floating
Module off
Typ.
Max.
340
220
Units
kHz
0.8
V
Max.
Units
TEMPERATURE CHARACTERISTICS
Parameter
Conditions
Min.
Operation
Storage
With derating - see derating graph
-40
-50
Case temperature above ambient
100% Load, Nom VIN,
Still Air
Thermal shutdown
Case Temperature
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NCS12S1203C
NCS12S1215C, NCS12D1205C, NCS12D4805C
All other types
Single 3.3V & 5V outputs
All other types
Typ.
85
125
65
60
44
135
120
°C
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KDC_NCS12C.A02 Page 2 of 14
NCS12 Series
Isolated 12W 4:1 Input Single & Dual Output DC/DC Converters
APPLICATION NOTES
Output Capacitance and start-up times
The NCS12 series does not require output capacitors to meet datasheet specification. To meet datasheet specification, total output capacitance should not exceed:
Maximun Load Capacitance (per output)
μF
470
470
220
220
470
470
220
220
220
100
100
220
100
100
Part No.
NCS12S1203C
NCS12S1205C
NCS12S1212C
NCS12S1215C
NCS12S4803C
NCS12S4805C
NCS12S4812C
NCS12S4815C
NCS12D1205C
NCS12D1212C
NCS12D1215C
NCS12D4805C
NCS12D4812C
NCS12D4815C
Start-up times
ms
16
22
7
8.5
14
22
8
8.5
5
8
9
5
7.5
7
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 specifi ed time, across a component designed to provide electrical isolation, to verify the integrity of that isolation.
Murata Power Solutions NCS12 series of DC/DC converters are all 100% production tested at their stated isolation voltage. This is 1.5kVDC 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 specifi c agency approvals, such as the NCS12 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 NCS12 series has an ER ferrite core, 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 specifi ed 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 260ºC for 10 seconds. The pin termination finish
on this product series is a Gold flash (0.05-0.10 micron) over Nickel Preplate. The series is backward compatible with Sn/Pb soldering systems.
For further information, please visit www.murata-ps.com/rohs
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KDC_NCS12C.A02 Page 3 of 14
NCS12 Series
Isolated 12W 4:1 Input Single & Dual Output DC/DC Converters
CHARACTERISATION TEST METHODS
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
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
C2
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_NCS12C.A02 Page 4 of 14
NCS12 Series
Isolated 12W 4:1 Input Single & Dual Output DC/DC Converters
EFFICIENCY VS LOAD
NCS12S1203C
NCS12S1205C
90
90
85
85
80
80
Efficiency (%)
24V
70
12V
65
Efficiency (%)
75
75
70
24V
65
12V
60
60
55
55
50
50
10%
20%
30%
40%
50%
60%
70%
80%
90%
45
10%
100%
20%
30%
40%
50%
60%
70%
80%
90%
100%
Load (%)
Load (%)
NCS12S1212C
NCS12S1215C
88
88
86
86
84
84
82
80
24V
12V
78
Efficiency (%)
Efficiency (%)
82
80
24V
78
12V
76
76
74
74
72
72
70
70
10%
20%
30%
40%
50%
60%
70%
80%
90%
68
10%
100%
20%
30%
40%
50%
Load (%)
60%
70%
80%
90%
100%
Load (%)
NCS12S4803C
NCS12S4805C
90
90
85
85
80
75
48V
75
24V
Efficiency (%)
Efficiency (%)
80
70
48V
24V
65
60
70
55
65
50
60
10%
20%
30%
40%
50%
60%
70%
80%
90%
45
10%
100%
20%
30%
40%
60%
70%
80%
90%
100%
NCS12S4815C
90
90
85
85
80
80
48V
75
24V
Efficiency (%)
Efficiency (%)
NCS12S4812C
24V
70
65
65
20%
30%
40%
50%
60%
Load (%)
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70%
80%
90%
100%
48V
75
70
60
10%
50%
Load (%)
Load (%)
60
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
Load (%)
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KDC_NCS12C.A02 Page 5 of 14
NCS12 Series
Isolated 12W 4:1 Input Single & Dual Output DC/DC Converters
EFFICIENCY VS LOAD
NCS12D1205C
NCS12D1212C
90%
90%
80%
80%
70%
Efficiency (%)
24V
50%
12V
40%
Efficiency (%)
70%
60%
60%
24V
12V
50%
40%
30%
30%
20%
10%
10%
20%
30%
40%
50%
60%
70%
80%
90%
20%
10%
100%
20%
30%
40%
50%
60%
70%
80%
90%
100%
Load (%)
Load (%)
NCS12D1215C
NCS12D4805C
95%
90%
85%
80%
75%
70%
24V
12V
50%
Efficiency (%)
Efficiency (%)
65%
60%
55%
48V
24V
45%
35%
40%
25%
30%
15%
20%
10%
20%
30%
40%
50%
60%
70%
80%
90%
5%
10%
100%
20%
30%
40%
50%
Load (%)
60%
70%
80%
90%
100%
Load (%)
NCS12D4812C
NCS12D4815C
100%
90%
90%
80%
80%
70%
Efficiency (%)
48V
50%
24V
40%
Efficiency (%)
70%
60%
60%
48V
40%
30%
30%
20%
20%
10%
10%
24V
50%
20%
30%
40%
50%
60%
Load (%)
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70%
80%
90%
100%
10%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
Load (%)
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KDC_NCS12C.A02 Page 6 of 14
NCS12 Series
Isolated 12W 4:1 Input Single & Dual Output DC/DC Converters
TEMPERATURE DERATING
NCS12S1203C
Input Voltage = 12V
Input Voltage Range = 9-36V
12
12
10
10
8
8
still air
still air
200 lfm
200 lfm
4
100 lfm
6
100 lfm
6
4
400 lfm
400 lfm
2
2
0
0
-40
-20
0
20
40
60
80
-40
-20
0
20
40
60
80
NCS12S1205C
Input Voltage Range = 9-36V
Input Voltage = 12V
12
12
10
10
8
8
still air
still air
6
4
100 lfm
6
200 lfm
4
100 lfm
200 lfm
400 lfm
400 lfm
2
2
0
0
-40
-20
0
20
40
60
-40
80
-20
0
20
40
60
80
NCS12S1212C
Input Voltage = 12V
Input Voltage Range = 9-36V
12
12
10
10
8
8
still air
still air
200 lfm
200 lfm
4
100 lfm
6
100 lfm
6
4
400 lfm
400 lfm
2
2
0
0
-40
-20
0
20
40
60
-40
80
-20
0
20
40
60
80
NCS12S1215C
Input Voltage = 12V
Input Voltage Range = 9-36V
12
12
10
10
8
8
still air
still air
6
4
100 lfm
6
200 lfm
4
100 lfm
200 lfm
400 lfm
400 lfm
2
2
0
0
-40
-20
0
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20
40
60
80
-40
-20
0
20
40
60
80
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KDC_NCS12C.A02 Page 7 of 14
NCS12 Series
Isolated 12W 4:1 Input Single & Dual Output DC/DC Converters
TEMPERATURE DERATING
NCS12S4803C
Input Voltage = 48V
Input Voltage Range = 18-75V
12
12
10
10
8
8
still air
100 lfm
200 lfm
200 lfm
4
still air
6
100 lfm
6
4
400 lfm
400 lfm
2
2
0
0
-40
-20
0
20
40
60
80
-40
-20
0
20
40
60
80
NCS12S4805C
Input Voltage Range = 18-75V
Input Voltage = 48V
12
12
10
10
8
8
still air
still air
6
4
100 lfm
6
200 lfm
4
100 lfm
200 lfm
400 lfm
400 lfm
2
2
0
0
-40
-20
0
20
40
60
-40
80
-20
0
20
40
60
80
NCS12S4812C
Input Voltage = 48V
Input Voltage Range = 18-75V
12
12
10
10
8
8
still air
still air
100 lfm
6
200 lfm
4
100 lfm
6
200 lfm
4
400 lfm
400 lfm
2
2
0
0
-40
-20
0
20
40
60
-40
80
-20
0
20
40
60
80
NCS12S4815C
Input Voltage = 48V
Input Voltage Range = 18-75V
12
12
10
10
8
still air
100 lfm
6
8
still air
100 lfm
6
200 lfm
4
400 lfm
2
200 lfm
4
400 lfm
2
0
0
-40
-20
0
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20
40
60
80
-40
-20
0
20
40
60
80
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KDC_NCS12C.A02 Page 8 of 14
NCS12 Series
Isolated 12W 4:1 Input Single & Dual Output DC/DC Converters
TEMPERATURE DERATING
NCS12D1205C
Input Voltage = 12V
Input Voltage Range = 9-36V
12
12
10
10
8
8
still air
still air
6
4
100 lfm
6
200 lfm
4
100 lfm
200 lfm
400 lfm
400 lfm
2
2
0
0
-40
-20
0
20
40
60
-40
80
-20
0
20
40
60
80
NCS12D1212C
Input Voltage Range = 9-36V
Input Voltage = 12V
12
12
10
10
8
8
still air
still air
6
4
100 lfm
6
200 lfm
4
100 lfm
200 lfm
400 lfm
400 lfm
2
2
0
0
-40
-20
0
20
40
60
-40
80
-20
0
20
40
60
80
NCS12D1215C
Input Voltage = 12V
Input Voltage Range = 9-36V
12
12
10
10
8
8
still air
100 lfm
6
still air
6
100 lfm
200 lfm
4
4
400 lfm
2
200 lfm
400 lfm
2
0
-40
-20
0
20
40
60
0
80
-40
-20
0
20
40
60
80
NCS12D4805C
Input Voltage = 48V
Input Voltage Range = 18-75V
12
12
10
10
8
still air
100 lfm
6
200 lfm
4
8
still air
100 lfm
6
200 lfm
4
400 lfm
400 lfm
2
2
0
0
-40
-20
0
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20
40
60
80
-40
-20
0
20
40
60
80
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KDC_NCS12C.A02 Page 9 of 14
NCS12 Series
Isolated 12W 4:1 Input Single & Dual Output DC/DC Converters
TEMPERATURE DERATING
NCS12D4812C
Input Voltage = 48V
Input Voltage Range 18-75V
12
12
10
10
8
8
still air
still air
6
4
100 lfm
6
200 lfm
4
100 lfm
200 lfm
400 lfm
400 lfm
2
2
0
0
-40
-20
0
20
40
60
-40
80
-20
0
20
40
60
80
NCS12D4815C
Input Voltage = 48V
Input Voltage Range = 18-75V
12
12
10
10
8
8
still air
still air
6
4
100 lfm
6
200 lfm
4
100 lfm
200 lfm
400 lfm
400 lfm
2
2
0
0
-40
-20
0
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20
40
60
80
-40
-20
0
20
40
60
80
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KDC_NCS12C.A02 Page 10 of 14
NCS12 Series
Isolated 12W 4:1 Input Single & Dual Output DC/DC Converters
EMC FILTERING AND SPECTRA
FILTERING
The module includes a basic level of filtering, sufficient for many applications. Where lower noise levels are desired, filters can easily be added to achieve any required
noise performance.
A DC/DC converter generates noise in two principle forms: that which is radiated from its body and that conducted on its external connections. There are three separate
modes of conducted noise: input differential, output differential and input-output.
This last appears as common mode at the input and the output, and cannot therefore be removed by filtering at the input or output alone. The first level of filtering is to
connect capacitors between input and output returns, to reduce this form of noise. It typically contains high harmonics of the switching frequency, which tend to appear
as spikes on surrounding circuits. The voltage rating of this capacitor must match the required isolation voltage. (Due to the great variety in isolation voltage and required
noise performance, this capacitor has not been included within the converter.)
Input ripple is a voltage developed across the internal Input decoupling capacitor. It is therefore measured with a defined supply source impedance. Although simple
series inductance will provide filtering, on its own it can degrade the stability. A shunt capacitor is therefore recommended across the converter input terminals, so that it
is fed from a low impedance.
If no filtering is required, the inductance of long supply wiring could also cause a problem, requiring an input decoupling capacitor for stability. An electrolytic will perform
well in these situations. The input-output filtering is performed by the common-mode choke on the primary. This could be placed on the output, but would then degrade
the regulation and produce less benefit for a given size, cost, and power loss.
Radiated noise is present in magnetic and electrostatic forms. The latter is suppressed by the metal case, which is connected to the output return, typically a zero-volt
point. Thanks to the small size of these units, neither form of noise will be radiated “efficiently”, so will not normally cause a problem. Any question of this kind usually
better repays attention to conducted signals.
EMC FILTER AND VALUES TO OBTAIN SPECTRA AS SHOWN
The following filter circuit shows the input filter typically required to meet CISPR22 Quasi-PeakCurve B.
L1
DC
C1
C2
C3
DC
C1, C2
1μF Polyester or ceramic capacitor
C3
47μF Electrolytic capacitor
C5
C4 & C5 10nF 250 VAC Y Rated (15nf SXX03 & SXX05)
L1
1μH Common-mode choke (Murata part number 51105C)
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C4
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KDC_NCS12C.A02 Page 11 of 14
NCS12 Series
Isolated 12W 4:1 Input Single & Dual Output DC/DC Converters
EMC FILTERING AND SPECTRA
NCS12S1205C
80
80
70
70
60
60
50
50
dBuV
dBuV
NCS12S1203C
40
40
30
30
20
20
10
10
0
1.00E+05
1.00E+06
1.00E+07
0
1.00E+05
1.00E+08
80
70
70
60
60
50
50
40
30
20
20
10
10
1.00E+06
1.00E+07
0
1.00E+05
1.00E+08
Frequency (Hz)
80
70
70
60
60
50
50
dBuV
dBuV
1.00E+07
1.00E+08
NCS12S4805C
80
40
40
30
30
20
20
10
10
1.00E+06
1.00E+07
0
1.00E+05
1.00E+08
1.00E+06
1.00E+07
1.00E+08
Frequency (Hz)
Frequency (Hz)
NCS12S4812C
NCS12S4815C
80
80
70
70
60
60
50
50
dBuV
dBuV
1.00E+06
Frequency (Hz)
NCS12S4803C
40
40
30
30
20
20
10
10
0
1.00E+05
1.00E+08
40
30
0
1.00E+05
1.00E+07
NCS12S1215C
80
dBuV
dBuV
NCS12S1212C
0
1.00E+05
1.00E+06
Frequency (Hz)
Frequency (Hz)
1.00E+06
1.00E+07
Frequency (Hz)
www.murata-ps.com
1.00E+08
0
1.00E+05
1.00E+06
1.00E+07
1.00E+08
Frequency (Hz)
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KDC_NCS12C.A02 Page 12 of 14
NCS12 Series
Isolated 12W 4:1 Input Single & Dual Output DC/DC Converters
EFFICIENCY VS LOAD
NCS12D1212C
80
80
70
70
60
60
50
50
dBuV
dBuV
NCS12D1205C
40
40
30
30
20
20
10
10
0
1.00E+05
1.00E+06
1.00E+07
0
1.00E+05
1.00E+08
Frequency (Hz)
70
70
60
60
50
50
dBuV
dBuV
80
40
40
30
30
20
20
10
10
1.00E+06
1.00E+07
0
1.00E+05
1.00E+08
1.00E+06
1.00E+07
1.00E+08
Frequency (Hz)
Frequency (Hz)
NCS12D4812C
NCS12D4815C
80
80
70
70
60
60
50
50
dBuV
dBuV
1.00E+08
NCS12D4805C
80
40
40
30
30
20
20
10
10
0
1.00E+05
1.00E+07
Frequency (Hz)
NCS12D1215C
0
1.00E+05
1.00E+06
1.00E+06
1.00E+07
Frequency (Hz)
www.murata-ps.com
1.00E+08
0
1.00E+05
1.00E+06
1.00E+07
1.00E+08
Frequency (Hz)
All enquiries: www.murata-ps.com/support
KDC_NCS12C.A02 Page 13 of 14
NCS12 Series
Isolated 12W 4:1 Input Single & Dual Output DC/DC Converters
PACKAGE SPECIFICATIONS
MECHANICAL DIMENSIONS
PIN CONNECTIONS
NCS12S1205C
Pin
Function
Single
Dual
XYYWW
1
2
3
9
11
14
16
22
23
Control
-VIN
-VIN
No pin
N/C
+VOUT
0V
+VIN
+VIN
0.787
(20.0)
1.26 (32.0)
0.394 (10.0)
Control
-VIN
-VIN
0V
-VOUT
+VOUT
0V
+VIN
+VIN
TUBE OUTLINE DIMENSIONS
1.00±0.15 (0.04±0.006)
0.176-0.208
(4.46-5.27)
23.0 (0.906)
0.02 (0.5)
0.020 (0.50)
8.5 (0.335)
0.200 (5.08)
0.1 (2.54)
1
2 3
0.600
(15.24)
9
20.5 (0.807)
Tube length 520 (20.47)
All dimensions in mm (inches) ±0.25 (0.010).
Quantity: 15
11
RECOMMENDED FOOTPRINT DETAILS
Bottom View
8 HOLES
1.0mm
22
16
14
Ø
23
2.54 (0.1)
0.100 (2.54)
0.166-0.207 (4.21-5.26)
Weight: 17g
All dimensions in inches (mm) ± 0.020 (0.5) except pin to pin tolerance ±0.010 (0.25).
All pins on a 0.100 (2.54) pitch and within 0.010 (0.25) of true position.
2.54 (0.1)
The copper case is connected to the 0V pin(s). Care is needed in the design of this circuit board on which the converter is mounted.
Top side tracks must not contact the edge of the case on the underside of the unit.
Murata Power Solutions, Inc.
11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A.
ISO 9001 and 14001 REGISTERED
www.murata-ps.com/support
All dimensions in mm (inches) ±0.25 (± 0.010).
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.
© 2013 Murata Power Solutions, Inc.
All enquiries: www.murata-ps.com/support
KDC_NCS12C.A02 Page 14 of 14