NDY Series
www.murata-ps.com
Isolated 3W Wide Input DC/DC Converters
SELECTION GUIDE
Nominal
Output Current1
Rated
Output
Voltage
Input
Current
Full load
Efficiency2
(Min.)
Isolation
Capacitance
Input
MTTF3
Order Code
Min. Load Full Load
Voltage
V (nom.)
5
V
5
mA
100-150
55-83
42-62
33-50
150
83
mA
400-600
222-333
166-250
133-200
600
mA
615
563
548
533
362
320
316
308
178
174
156
154
150
87
%
66
72
71
73
71
78
78
79
70
70
78
80
82
71
73
80
81
81
pF
40
52
43
44
36
52
44
47
30
36
52
44
54
30
35
52
44
53
kHrs
1939
1926
1907
1924
1928
1916
1897
1914
1671
1673
1663
1644
1657
1676
1668
1663
1648
1661
NDY0505C
NDY0509C
NDY0512C
NDY0515C
NDY1205C
NDY1209C
NDY1212C
NDY1215C
NDY2403C
NDY2405C
NDY2409C
NDY2412C
NDY2415C
NDY4803C
NDY4805C
NDY4809C
NDY4812C
NDY4815C
5
9
5
12
15
5
5
12
12
12
12
24
24
24
24
24
48
48
48
48
48
9
333
FEATURES
ꢀUL 60950 recognized
12
15
3.3
5
62
250
50
200
ꢀRoHS compliant
227
150
83
909
600
ꢀIndustry standard footprint
ꢀEfficiency to 82%
9
333
12
15
3.3
5
62
250
ꢀPower density 0.90W/cm3
ꢀ2:1 wide input range
ꢀSingle isolated output
ꢀShort circuit protection
ꢀLow profile 24 pin case
ꢀUL 94V-0 package material
ꢀOperating temperature range -40ºC to 85ºC
ꢀNo heatsink required
ꢀFootprint 4.73cm2
50
200
227
150
83
909
600
87
9
333
78
12
15
62
250
77
50
200
76
INPUT CHARACTERISTICS
Parameter
Conditions
All NDY05XX
All NDY12XX
All NDY24XX
All NDY48XX
NDY2403
Min.
4.5
9
Typ.
5
Max.
9
Units
VDC
12
18
Voltage range
18
36
24
36
48
72
180
140
400
150
290
100
360
290
500
170
360
127
ꢀ5V, 12V, 24V & 48V input
ꢀ3.3V, 5V, 9V, 12V & 15V output
ꢀInternal SMD construction
ꢀFully encapsulated
NDY4803
All NDY05XX
All NDY12XX
Reflected ripple current2
mA p-p
All other NDY24XX
All other NDY48XX
DESCRIPTION
ABSOLUTE MAXIMUM RATINGS
Short-circuit protection
The NDY 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 85ºC without heatsinking, except the
4.5V to 9V input voltage range which should be
derated to 2W at the lower input voltage. 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.
Continuous
300°C
Lead temperature 1.5mm from case for 10 seconds
Minimum load
25% of rated load
Input voltage 05 types
10V
20V
40V
80V
1.7W
Input voltage 12 types
Input voltage 24 types
Input voltage 48 types
Internal dissipation
1. Refer to power derating graph.
2. Measured at full load with external input/output capacitors, refer to filter circuit 1.
3. Calculated using MIL-HDBK-217F with nominal input voltage at full load (ground benign) at 25°C.
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/support
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