NDY SERIES
Isolated 3W Wide Input DC/DC Converters
SELECTION GUIDE
Input
Nominal Rated
4
Output Current
Current
Full Load
(mA)
Input
Output
3
Voltage Voltage Min Load
Full Load
(mA)
MTTF
Order Code
(V)
5
(V)
5
(mA)
(%)
66
(pF)
40
kHrs
NDY0505
100 -150 400- 600
615
563
548
533
362
320
316
308
178
174
156
154
150
87
1939
1926
1907
1924
1928
1916
1897
1914
1671
1673
1663
1644
1657
1676
1668
1663
1648
1661
NDY0509
NDY0512
NDY0515
NDY1205
NDY1209
NDY1212
NDY1215
NDY2403
NDY2405
NDY2409
NDY2412
NDY2415
NDY4803
NDY4805
NDY4809
NDY4812
NDY4815
5
9
12
15
5
55-83
42-62
33-50
150
83
222-333
166-250
133-200
600
72
71
73
71
78
78
79
70
70
78
80
82
71
73
80
81
81
52
43
44
36
52
44
47
30
36
52
44
54
30
35
52
44
53
5
5
12
12
12
12
24
24
24
24
24
48
48
48
48
48
FEATURES
■ Industry Standard Footprint
■ Single Isolated Output
■ Short Circuit Protection
9
333
12
15
3.3
5
62
250
50
200
■ Operating Temperature Range
227
150
83
909
-40°C to +85°C
600
■ Low Profile 24 Pin Case
■ Efficiency to 82%
■ Power Density 0.90W/cm
■ 2:1 Wide Input Range
■ 5V, 12V, 24V & 48V Input
■ 3.3V, 5V, 9V, 12V & 15V Output
9
333
3
12
15
3.3
5
62
250
50
200
227
150
83
909
600
87
2
■ Footprint 4.73cm
9
333
78
■ UL 94V-0 Package Materials
■ No Heatsink Required
■ Internal SMD Construction
■ Fully Encapsulated
12
15
62
250
77
50
200
76
INPUT CHARACTERISTICS
■ Lead Free Compatible
Parameter
Conditions
MIN
4.5
9
18
36
TYP
5
12
24
48
180
140
400
150
290
100
MAX
Units
All NDY05XX
All NDY12XX
All NDY24XX
All NDY48XX
9
18
36
72
360
290
500
170
360
127
DESCRIPTION
Voltage Range
VDC
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 85°C
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 (see recommended filter
circuit for values). The plastic case and
encapsulant materials are rated to UL 94V-0
and the connection pins are formed from a
tin plated alloy 42 leadframe.
2
NDY2403
2
NDY4803
1
Reflected
All NDY05XX
All NDY12XX
All other NDY24XX
All other NDY48XX
Ripple
Current
mA p-p
ABSOLUTE MAXIMUM RATINGS
Short-circuit protection
Input voltage 05 types
Input voltage 12 types
Input voltage 24 types
Input voltage 48 types
Lead temperature 1.5mm from case for 10 seconds
Minimum Load
Internal Dissipation
continuous
10V
20V
40V
80V
300°C
25% of rated load
1.7W
1 Measured at full load with external input/output capacitors, refer to filter circuit 1.
2 For lower ripple refer to filter circuit 2.
3 Calculated using MIL-HDBK-217F with nominal input voltage at full load.
4 Refer to power derating graph.
www.cdpoweronline.com All specifications typical at TA=25°C, nominal input voltage and rated output current unless otherwise specified.
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