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SELECTION GUIDE
NME 24V & 48V Series
Isolated 1W Single Output DC/DC Converters
Order Code
Package
Style
V
V
mA
%
pF
kHrs
NME2405DC
24
5
200
70
40
201
NME2409DC
NME2412DC
NME2415DC
24
24
24
9
12
15
111
83
66
75
80
80
59
78
79
185
163
136
DIP
FEATURES
RoHS Compliant
Single Isolated Output
1kVDC Isolation
NME2405SC
NME2409SC
NME2412SC
NME2415SC
24
24
24
24
5
9
12
15
200
111
83
66
Obsolete
70
75
80
80
40
59
78
79
201
185
163
136
SIP
Recommended
Alternative
Ef?ciency up to 80%
Power Density 1.45W/cm 3
UL 94V-0 Package Material
Footprint from 0.69cm 2
Industry Standard Pinout
NME4805DC
NME4809DC
NME4812DC
NME4815DC
NME4805SC
NME4809SC
NME4812SC
48
48
48
48
48
48
48
5
9
12
15
5
9
12
200
111
83
66
200
111
83
70
75
80
80
70
75
80
32
50
76
75
32
50
76
213
194
164
140
213
194
164
DIP
DIP
DIP
DIP
SIP
SIP
SIP
MER1S4805SC
MER1S4809SC
MER1S4812SC
MER1S4815SC
MER1S4805SC
MER1S4809SC
MER1S4812SC
24V & 48V Input
5V, 9V, 12V and 15V Output
No Heatsink Required
NME4815SC 48 15 66 80 75 140 SIP MER1S4815SC
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.
Internal SMD Construction
INPUT CHARACTERISTICS
Parameter Conditions
Min.
Typ.
Max.
Units
Fully Encapsulated with Toroidal
Magnetics
Voltage range
Continuous operation, 24V input types
Continuous operation, 48V input types
21.6
43.2
24
48
26.4
52.8
V
No External Components Required
Load Regulation
Custom Solutions Available
DESCRIPTION
The NME series of DC/DC Converters is
particularly suited to isolating and/or converting
DC power rails. The galvanic isolation allows
the device to be con?gured to provide an
OUTPUT CHARACTERISTICS
Parameter Conditions
Rated Power 2
T A =0°C to 70°C
Voltage Set Point Accuracy
See tolerance envelope
Line regulation
High V IN to low V IN
10% load to rated load, 5V output types
2
10% load to rated load, all other output types
Ripple and Noise
BW=DC to 20MHz, all output types
Min.
Typ.
Max.
1.0
1.2
15
10
150
Units
W
%/%
%
mV p-p
isolated negative rail in systems where only
positive rails exist.
ABSOLUTE MAXIMUM RATINGS
Short-circuit protection 3
Lead temperature 1.5mm from case for 10 seconds
Input voltage V IN , NME24 types
Input voltage V IN , NME48 types
1 second
300°C
28V
54V
1. Calculated using MIL-HDBK-217F with nominal input voltage at full load.
2. See derating curve.
3. Supply voltage must be disconnected at the end of the short circuit duration.
All speci?cations typical at T A =25°C, nominal input voltage and rated output current unless otherwise speci?ed.
　
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com/support
KDC_NME2.E02 Page 1 of 4
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