NMJ Series
5.2kVDC Isolated 1W DC/DC Converters
SELECTION GUIDE
Nominal
Input
Voltage
Output
Voltage
Output
Current
Ripple &
Noise4
Efficiency
(Min.)
Isolation
Capacitance
MTTF1
Order Code
V
5
V
5
mA
100
55
mV p-p
40
%
60
65
65
65
60
65
65
65
66
64
68
pF
kHrs
4950
3832
2770
1903
3688
3029
2324
1682
13780
13460
13360
12700
11490
9980
8447
8176
7660
6950
NMJ0505SC
NMJ0509SC
NMJ0512SC
NMJ0515SC
NMJ1205SC
NMJ1209SC
NMJ1212SC
NMJ1215SC
NMJ0303SAC
NMJ0503SAC
NMJ0505SAC
NMJ0509SAC
NMJ0512SAC
NMJ0515SAC
NMJ1205SAC
NMJ1209SAC
NMJ1212SAC
NMJ1215SAC
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
5
9
30
5
12
15
5
42
20
5
33
20
12
12
12
12
3.3
5
100
55
40
FEATURES
ꢀRoHS compliant
9
30
12
15
3.3
3.3
5
42
20
33
20
ꢀUL60950 recognized
ꢀPower density 0.42W/cm3
303
303
200
70
60
5
50
ꢀWide temperature performance at full
1 watt load, –40°C to 60°C
Contact Factory
5
9
12
15
5
111
50
50
50
50
50
50
50
72
71
71
69
73
73
74
3.0
3.0
3.0
3.0
3.0
3.0
3.0
5
83
ꢀSingle and dual outputs
ꢀUL 94V-0 package material
ꢀNo heatsink required
5
66
12
12
12
12
200
111
83
9
12
15
ꢀFootprint 1.91cm2
66
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.
ꢀSIP package style
ꢀ5.2kVDC isolation
INPUT CHARACTERISTICS
ꢀ3V, 5V & 12V input
Parameter
Conditions
Min.
2.97
4.5
Typ.
3.3
5
Max.
3.63
5.5
Units
V
ꢀ3V, 5V, 9V, 12V and 15V output
ꢀInternal SMD construction
ꢀFully encapsulated with toroidal magnetics
Continuous operation, 3V input types
Continuous operation, 5V input types
Continuous operation, 12V input types
Voltage range
10.8
12
13.2
OUTPUT CHARACTERISTICS
ꢀPin compatible with the NMV series SIP
Parameter
Rated Power2
Conditions
Min.
Typ.
Max.
1
Units
W
DC/DC converters
TA=-40ºC to 60ºC
ꢀMTTF up to 13 million hours
ꢀCustom solutions available
Voltage Set Point Accuracy See tolerance envelopes
Line regulation
High VIN to low VIN
1.0
10.0
7.0
1.2
15.0
10.0
10.0
7.0
%/%
%
10% load to rated load, xx03
10% load to rated load, 0505
10% load to rated load, 0509, 0512, 0515
10% load to rated load, 12xx
10% load to rated load, 5V output types
10% load to rated load, 9V output types
10% load to rated load, 12V output types
10% load to rated load, 15V output types
All types
Load regulation
Single outputs
PRODUCT OVERVIEW
6.0
The NMJ series are dual and single output
DC/DC converters in a 7 pin SIP package style
offering pin and functionality compatibility with
the NMV series SIP DC/DC converters. The NMJ
series is UL60950 recognized and suitable for
applications where safety and miniaturisation
are of paramount importance. Isolation barrier
approved for supplementary/reinforced insulation
- see page 2.
5.0
10.0
6.0
15.0
10.0
10.0
10.0
Load regulation
Dual outputs
%
6.0
6.0
Zero Load Power Consumption
250
mW
ABSOLUTE MAXIMUM RATINGS
Short-circuit protection3
1 second
300°C
5V
Lead temperature 1.5mm from case for 10 seconds
Input voltage VIN, NMJ03 types
Input voltage VIN, NMJ05 types
7V
Input voltage VIN, NMJ12 types
15V
1. Calculated using MIL-HDBK-217 FN2 calculation model with nominal input voltage at full load.
2. See derating graph.
3. Supply voltage must be discontinued at the end of the short circuit duration.
4. See ripple & noise test method.
For full details go to
www.murata-ps.com/rohs
All specifications typical at T =25°C, nominal input voltage and rated output current unless otherwise specified.
A
www.murata-ps.com
Technical enquiries - email: mk@murata-ps.com, tel: +44 (0)1908 615232
KDC_NMJC.G02 Page 1 of 6
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