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NDTS0503C 데이터시트 PDF




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부품번호 NDTS0503C 기능
기능 Isolated 3W Single Output DC/DC Converters
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NDTS0503C 데이터시트, 핀배열, 회로
www.murata-ps.com
NDTS Series
Isolated 3W Single Output DC/DC Converters
FEATURES
„RoHS compliant
„ Industry standard footprint
„ Single isolated output
„ Short circuit protection
„ Operating temperature range –40°C to
+85°C
„ Low profile 24 pin case
„ 2:1 Wide input range
„ 5V, 12V, 24V & 48V Input
„ 3.3V, 5V, 12V & 15V Output
„ Footprint 4.73cm2
„ UL94V-0 Package materials
„ No heatsink required
„ Internal SMD construction
„ Fully encapsulated
DESCRIPTION
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).
SELECTION GUIDE
Input
Voltage
Order Code V (Nom.)
NDTS0503C
5
NDTS0505C
5
NDTS0512C
5
NDTS0515C
5
NDTS1203C
12
NDTS1205C
12
NDTS1212C
12
NDTS1215C
12
NDTS2403C
24
NDTS2405C
24
NDTS2412C
24
NDTS2415C
24
NDTS4803C
48
NDTS4805C
48
NDTS4812C
48
NDTS4815C
48
Rated Output
Voltage
V
3.3
5
12
15
3.3
5
12
15
3.3
5
12
15
3.3
5
12
15
Output Current
Min. Load Full Load
mA mA
227 909
150 600
63 250
50 200
227 909
150 600
63 250
50 200
227 909
150 600
63 250
50 200
227 909
150 600
63 250
50 200
Input
Current
mA
898
806
769
757
350
320
310
310
172
156
149
147
87
83
76
75
Efficiency
(Min.)
%
63
71
76
77
71
73
75
76
71
78
80
84
71
75
80
80
Isolation
Capacitance
pF
28
30
32
33
29
32
35
32
32
32
35
35
32
32
40
40
MTTF2
kHrs
1658
1665
1650
1633
1668
1665
1650
1633
1671
1673
1650
1617
1676
1668
1631
1600
INPUT CHARACTERISTICS
Parameter
Conditions
All NDTS05 types
Voltage range
All NDTS12 types
All NDTS24 types
All NDTS48 types
All NDTS05 types
All NDTS12 types
Reflected ripple current1
All NDTS24 types
All NDTS48 types
Min. Typ. Max. Units
4.5 5
9
9 12 18
18 24 36
V
36 48 72
50 150
30 100
mA p-p
40 50
30 40
OUTPUT CHARACTERISTICS
Parameter
Conditions
Voltage set point accuracy With external input/output capacitors
Line regulation
Low line to high line with external input/
output capacitors
Load regulation
Minimum load to rated
load with external input/
output capacitors
0503, 0505,
1203, 1205
2403, 2405,
4803, 4805
12V & 15V
outputs
Ripple
BW = 20Hz to 300kHz with external input/
output capacitors
Ripple & noise
BW = DC to 20MHz with external input/output
capacitors
Min.
Typ.
±1
0.15
0.8
0.8
0.1
15
90
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 TA=25°C, nominal input voltage and rated output current unless otherwise specified.
Max.
±3
0.5
1.0
1.2
0.5
40
150
Units
%
%
%
mV rms
mV p-p
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com/support
KDC_NDTS.D06 Page 1 of 6




NDTS0503C pdf, 반도체, 판매, 대치품
NDTS Series
Isolated 3W Single Output DC/DC Converters
APPLICATION NOTES (continued)
Minimum Load
The minimum load for correct operation is 25% of the full rated load across the specified input voltage range. Lower loads may cause a significant increase in output ripple and
may cause the output voltage to exceed its specification transiently during power-down when the input voltage also falls below its rated minimum.
The following graphs show the typical required minimum load required for stable operation in mA verses input voltage. Some variants are not included as they do not typically
require a minimum load for stable operation: NDTD1212C, and NDTD1215C.
The NDTS series will operate from a wider input range than specified in the input characteristics datasheet table with output power derating. Please contact Murata Power
Solutions for further information.
NDTS05XXC
200
180
160
140 0503
120 0505
100
80
60 0512
40
20 0515
0
4.5 5.5 6.5 7.5 8.5 9.5 10.5 11.5
Input Voltage (V)
NDTS12XXC
100
90
80
70
60
50
40
30
20
10
0
9
1203
1205
11 13 15 17 19 21
Input Voltage (V)
www.murata-ps.com/support
KDC_NDTS.D06 Page 4 of 6

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부품번호상세설명 및 기능제조사
NDTS0503C

Isolated 3W Single Output DC/DC Converters

Murata
Murata

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