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Numéro de référence | NDY4809C | ||
Description | Isolated 3W Wide Input DC/DC Converters | ||
Fabricant | Murata | ||
Logo | |||
1 Page
www.murata-ps.com
NDY Series
Isolated 3W Wide Input DC/DC Converters
FEATURES
UL 60950 recognized
RoHS compliant
Industry standard footprint
Efficiency to 82%
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
5V, 12V, 24V & 48V input
3.3V, 5V, 9V, 12V & 15V output
Internal SMD construction
Fully encapsulated
DESCRIPTION
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.
SELECTION GUIDE
Order Code
Nominal
Input
Voltage
V (nom.)
NDY0505C
5
NDY0509C
5
NDY0512C
5
NDY0515C
5
NDY1205C
12
NDY1209C
12
NDY1212C
12
NDY1215C
12
NDY2403C
24
NDY2405C
24
NDY2409C
24
NDY2412C
24
NDY2415C
24
NDY4803C
48
NDY4805C
48
NDY4809C
48
NDY4812C
48
NDY4815C
48
Rated
Output
Voltage
V
5
9
12
15
5
9
12
15
3.3
5
9
12
15
3.3
5
9
12
15
Output Current 1
Min. Load
mA
100-150
55-83
42-62
33-50
150
83
62
50
227
150
83
62
50
227
150
83
62
50
Full Load
mA
400-600
222-333
166-250
133-200
600
333
250
200
909
600
333
250
200
909
600
333
250
200
Input
Current
Full load
mA
615
563
548
533
362
320
316
308
178
174
156
154
150
87
87
78
77
76
Efficiency 2
(Min.)
%
66
72
71
73
71
78
78
79
70
70
78
80
82
71
73
80
81
81
Isolation
Capacitance
MTTF 3
pF kHrs
40 1939
52 1926
43 1907
44 1924
36 1928
52 1916
44 1897
47 1914
30 1671
36 1673
52 1663
44 1644
54 1657
30 1676
35 1668
52 1663
44 1648
53 1661
INPUT CHARACTERISTICS
Parameter
Conditions
All NDY05XX
Voltage range
All NDY12XX
All NDY24XX
All NDY48XX
NDY2403
NDY4803
All NDY05XX
Reflected ripple current 2
All NDY12XX
All other NDY24XX
All other NDY48XX
Min. Typ. Max. Units
4.5 5
9
9 12 18
VDC
18 24 36
36 48 72
180 360
140 290
400 500
mA p-p
150 170
290 360
100 127
ABSOLUTE MAXIMUM RATINGS
Short-circuit protection
Lead temperature 1.5mm from case for 10 seconds
Minimum load
Input voltage 05 types
Input voltage 12 types
Input voltage 24 types
Input voltage 48 types
Internal dissipation
Continuous
300°C
25% of rated load
10V
20V
40V
80V
1.7W
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 TA=25°C, nominal input voltage and rated output current unless otherwise specified.
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com/support
KDC_NDY.F03 Page 1 of 4
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Pages | Pages 4 | ||
Télécharger | [ NDY4809C ] |
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