NMK Series
www.murata-ps.com
3kVDC Isolated 2W Single & Dual Output DC/DC Converters
Power density 1.31W/cm3
Wide temperature performance at full
2 Watt load, –40°C to 85°C
UL 94V-0 package material
No heatsink required
Industry standard pinout
3kVDC isolation (1 minute) ‘Hi Pot Test’
5V, 12V, 15V & 24V inputs
5V, 9V, 12V, & 15V output
Fully encapsulated with toroidal
magnetics
No electrolytic or tantalum capacitors
Pin compatible with MEV1, MEV3 & NMV
series
PRODUCT OVERVIEW
The NMK series of industrial temperature range
DC/DC converters, available in industry standard
SIP packaging offers a power upgrade path from
the 1W NMV series. The un-regulated NMK series
has superior output voltage set point accuracy in
conjunction with excellent load regulation for this
converter type.
mVp-p
40
25
20
20
30
20
23
25
55
40
40
40
70
55
55
70
40
30
20
20
30
20
20
20
50
35
35
35
50
45
45
35
%
%
pF
kHrs
80
83
83
84
80
83
85
84
81
83
84
85
80
83
84
85
81
83
84
84
80
83
84
83
81
82
84
85
81
84
85
85
83
86
87
87
83
87
88
89
84
86
87
88
84
87
88
88
83
86
87
87
84
87
87
87
84
86
88
88
84
87
89
89
28
36
36
34
33
53
62
56
37
51
63
72
41
59
77
85
28
33
35
31
35
50
53
57
43
47
65
74
43
65
82
86
3998
3718
3328
2855
3532
2417
2246
2020
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
2324
2158
1931
1655
1952
2021
1821
1574
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
MTTF2
24
20
18
17
25
19
17
14
34
21
20
20
42
30
29
34
24
18
14
12
21
16
13
13
27
19
18
14
30
26
24
17
Efficiency (Min.)
7.3
5.9
5.1
4.5
4.9
3.1
2.9
2.4
5.5
4
3.5
3.5
5.5
3.5
3
3
6.2
5.3
4.8
5.2
3.9
2.8
2.7
2.4
5
3.5
3
3
5
3.5
3
3
%
5.7
4.2
3.8
3.4
4.2
2.6
2.4
2.0
4.3
3
2.5
2.4
4.2
2.7
2.1
2.2
5
3.9
3.7
3.5
3.4
2.4
2.2
1.9
3.7
2.4
2.2
2.0
3.4
2.3
1.9
1.7
Ripple & Noise
(Max)1
Load Regulation
(Typ)
Input Current at
Rated Load
470
455
450
450
200
190
190
185
158
153
150
149
99
95
94
93
470
455
450
450
200
190
190
190
156
153
151
150
96
94
93
93
Isolation
Capacitance
Efficiency from 80%
mA
400
222
167
133
400
222
167
133
400
222
167
133
400
222
167
133
±200
±111
±83
±67
±200
±111
±83
±67
±200
±111
±83
±67
±200
±111
±83
±67
Efficiency (Typ.)
RoHS compliant
mA
5
9
12
15
5
9
12
15
5
9
12
15
5
9
12
15
±5
±9
±12
±15
±5
±9
±12
±15
±5
±9
±12
±15
±5
±9
±12
±15
Ripple & Noise
(Typ)1
UL 60950 recognised
V
5
5
5
5
12
12
12
12
15
15
15
15
24
24
24
24
5
5
5
5
12
12
12
12
15
15
15
15
24
24
24
24
NMK0505SAC
NMK0509SAC
NMK0512SAC
NMK0515SAC
NMK1205SAC
NMK1209SAC
NMK1212SAC
NMK1215SAC
NMK1505SAC
NMK1509SAC
NMK1512SAC
NMK1515SAC
NMK2405SAC
NMK2409SAC
NMK2412SAC
NMK2415SAC
NMK0505SC
NMK0509SC
NMK0512SC
NMK0515SC
NMK1205SC
NMK1209SC
NMK1212SC
NMK1215SC
NMK1505SC
NMK1509SC
NMK1512SC
NMK1515SC
NMK2405SC
NMK2409SC
NMK2412SC
NMK2415SC
Load Regulation
(Max)
FEATURES
Output
Voltage
V
Order Code3
Nominal Input
Voltage
Output Current
SELECTION GUIDE
INPUT CHARACTERISTICS
Conditions
Min.
Typ.
Max.
Units
Voltage range
Continuous operation, 5V input types
Continuous operation, 12V input types
Continuous operation, 15V input types
Continuous operation, 24V input types
4.5
10.8
13.5
21.6
5
12
15
24
5.5
13.2
16.5
26.4
V
NMK2405SAC, NMK2409SAC, NMK2405SC,
NMK2409SC
14
25
All other variants
Unbalanced loading capabilities on dual output
variants, all of the rated output power may be
drawn from a single output 3.
Parameter
7.5
15
Reflected ripple current
mA p-p
1. See Ripple & Noise characterisation method.
2. Calculated using MIL-HDBK-217F FN2 with nominal input voltage at full load.
3. See application notes on page 3.
All specifications typical at TA=25°C, nominal input voltage and rated output current unless otherwise specified.
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com/support
KDC_NMK.E06 Page 1 of 6
