NDTS Series
Isolated 3W Single Output DC/DC Converters
SELECTION GUIDE
Input
Output Current
Min. Load Full Load
Rated Output
Voltage
Input Efficiency Isolation
MTTF2
Voltage
Current
(Min.) Capacitance
Order Code
NDTS0503C
NDTS0505C
NDTS0512C
NDTS0515C
NDTS1203C
NDTS1205C
V (Nom.)
V
3.3
5
mA
227
150
63
mA
909
600
250
200
909
600
mA
898
%
63
71
76
77
71
73
pF
28
30
32
33
29
32
kHrs
1658
1665
1650
1633
1668
1665
5
5
806
5
12
15
3.3
5
769
5
50
757
12
12
227
150
350
320
NDTS1212C
NDTS1215C
NDTS2403C
NDTS2405C
NDTS2412C
NDTS2415C
NDTS4803C
NDTS4805C
NDTS4812C
NDTS4815C
12
12
24
24
24
24
48
48
48
48
12
15
3.3
5
12
15
3.3
5
63
50
227
150
63
250
200
909
600
250
200
909
600
250
200
310
310
172
156
149
147
87
83
76
75
75
76
71
78
80
84
71
75
80
80
35
32
32
32
35
35
32
32
40
40
1650
1633
1671
1673
1650
1617
1676
1668
1631
1600
FEATURES
ꢀRoHS compliant
ꢀ
ꢀ
ꢀ
ꢀ
Industry standard footprint
Single isolated output
Short circuit protection
50
227
150
63
12
15
50
Operating temperature range –40°C to
+85°C
INPUT CHARACTERISTICS
Parameter
Conditions
Min.
4.5
9
Typ.
5
Max.
9
Units
V
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
Low profile 24 pin case
2:1 Wide input range
All NDTS05 types
All NDTS12 types
All NDTS24 types
All NDTS48 types
All NDTS05 types
All NDTS12 types
All NDTS24 types
All NDTS48 types
12
24
48
50
30
40
30
18
Voltage range
18
36
36
5V, 12V, 24V & 48V Input
3.3V, 5V, 12V & 15V Output
72
150
100
50
2
Reflected ripple current1
mA p-p
Footprint 4.73cm
UL94V-0 Package materials
No heatsink required
40
OUTPUT CHARACTERISTICS
Parameter Conditions
Voltage set point accuracy With external input/output capacitors
Internal SMD construction
Fully encapsulated
Min.
Typ.
1
Max.
3
Units
%
Low line to high line with external input/
output capacitors
Line regulation
0.15
0.8
0.8
0.1
15
0.5
1.0
1.2
0.5
40
%
DESCRIPTION
0503, 0505,
1203, 1205
The NDTS series is a range of low profile DC/DC
converters offering a single regulated output over
a 2:1 input voltage range. All parts deliver 3W
output power up to 85°C without heatsinking. A
flyback oscillator design with isolated feedback
is used to give regulation over the full operating
range of 25% to 100% of full load. It is strongly
recommended that external capacitors be used
on input and output to guarantee performance
over full load and input voltage range (see
recommended filter circuit for values).
Minimum load to rated
load with external input/
output capacitors
2403, 2405,
4803, 4805
Load regulation
%
12V & 15V
outputs
BW = 20Hz to 300kHz with external input/
output capacitors
Ripple
mV rms
mV p-p
Ripple & noise
BW = DC to 20MHz with external input/output
capacitors
90
150
1. Please refer to relected ripple current measurement circuit on page 2.
2. Calculated using MIL-HDBK-217F with nominal input voltage at full load (ground benign) at 25°C.
3. Please refer to minimum load application note on page 4.
All specifications typical at T =25°C, nominal input voltage and rated output current unless otherwise specified.
A
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com
Technical enquiries - email: mk@murata-ps.com, tel: +44 (0)1908 615232
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