NDXS0515EC [MURATA]
Isolated 7.5W Wide Input Single & Dual Output DC/DC Converters; 隔离7.5W宽输入单和双输出DC / DC转换器
| 型号： | NDXS0515EC |
| 厂家： | 
muRata |
| 描述： | Isolated 7.5W Wide Input Single & Dual Output DC/DC Converters |
| 文件： | 总6页 (文件大小：257K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
NDX Series
s
soae.Wide Input Single & Dual Output DC/DC Converters
SELECTION GUIDE
Order Code1
NCS6 Series
V
mA
mA
42
42
A
mA
mVp-p
%
pF
55
55
49
49
56
56
53
53
55
55
56
56
58
58
58
58
40
40
42
42
43
43
36
36
41
41
41
41
58
58
56
56
56
56
61
61
57
57
58
58
NDXS0512C
NDXS0512EC
NDXS0515C
NDXS0515EC
NDXS1212C
5
5
12
12
15
15
12
12
15
15
12
12
15
15
12
12
15
15
156
156
125
125
156
156
125
125
156
156
125
125
156
156
125
125
625
625
500
500
625
625
500
500
625
625
500
500
625
625
500
500
2.02
79 110 68
2.02 0.48 79 110 68
55
46.2 2.02 0.46 55
19.4 0.77 31
19.4 0.77 0.51 31
FEATURES
ꢀRoHS compliant
5
46.2 2.02
80
80
50
50
40
40
50
50
45
45
40
40
40
40
40
40
45
45
35
35
45
45
55
55
60
60
60
60
55
55
60
60
40
40
45
45
55
55
67
67
77
77
77
77
80
80
80
80
81
81
82
82
67
67
69
69
71
71
73
73
78
78
79
79
75
75
81
81
82
82
77
77
82
82
82
82
5
NCS6S1212C
NCS6S1212C
NCS6S1215C
NCS6S1215C
NCS6S1212C
NCS6S1212C
NCS6S1215C
NCS6S1215C
NCS6S4812C
NCS6S4812C
NCS6S4815C
NCS6S4815C
12
ꢀ
2:1 Wide range voltage input
NDXS1212EC 12
NDXS1215C 12
NDXS1215EC 12
NDXS2412C 24
NDXS2412EC 24
NDXS2415C 24
NDXS2415EC 24
NDXS4812C 48
NDXS4812EC 48
NDXS4815C 48
NDXS4815EC 48
ꢀ
Continuous short circuit protection with
current foldback
27
0.77
0.77 0.51 23
24
13.8 0.38 0.53 24
20.6 0.37 24
20.6 0.37 0.53 24
8.8 0.187 20
8.8 0.187 0.47 20
10.2 0.187 20
10.2 0.187 0.48 20
600 19.4 1.83 20
600 19.4 1.83 0.075 20
312 33.4 2.15 21
312 33.4 2.15 0.075 21
250 41.8 2.69 15
250 41.8 2.69 0.075 15
750 13.2 0.89 20
13.2 0.89 0.176 20
23
27
13.8 0.38
ꢀOperating temperature range –40°C to
85°C
ꢀ
0.2% Typical load regulation
ꢀ
1kVDC Isolation
ꢀ
Efficiency from 67%
ꢀ
5V, 12V, 24V & 48V Nominal input
NDXD0505C
NDXD0505EC
NDXD0512C
NDXD0512EC
NDXD0515C
NDXD0515EC
NDXD1205C
5
5
5
150
ꢀ5V, 12V & 15V outputs
ꢀ
5
12
12
15
15
5
150
78.1
78.1
62.5
62.5
187
5
3
Power density 0.94W/cm
5
ꢀ
Optional remote On/Off
5
5
ꢀ
UL 94V-0 Package materials
NCS6D1205C
NCS6D1205C
NCS6D1212C
NCS6D1212C
NCS6D1215C
NCS6D1215C
NCS6D1205C
NCS6D1205C
NCS6D1212C
NCS6D1212C
NCS6D1215C
NCS6D1215C
NCS6D4805C
NCS6D4805C
NCS6D4812C
NCS6D4812C
NCS6D4815C
NCS6D4815C
12
ꢀ
No electrolytic capacitors
NDXD1205EC 12
NDXD1212C 12
NDXD1212EC 12
NDXD1215C 12
NDXD1215EC 12
NDXD2405C 24
NDXD2405EC 24
NDXD2412C 24
NDXD2412EC 24
NDXD2415C 24
NDXD2415EC 24
NDXD4805C 48
NDXD4805EC 48
NDXD4812C 48
NDXD4812EC 48
NDXD4815C 48
NDXD4815EC 48
5
187
750
312
312
250
250
750
750
312
312
250
250
750
750
312
312
250
250
12
12
15
15
5
78.1
78.1
62.5
62.5
187
15
15
17
17
0.86
0.86 0.159 25
0.86 30
0.86 0.175 30
35
4.2 0.402 0.15 35
25
ꢀLow noise
ꢀ
Custom solutions available
PRODUCT OVERVIEW
4.2 0.402
The NDX series of DC/DC converters provide
up to 7.5W of output power with single or dual
outputs. Unbalanced loading capability with an
optional input control pin. Input voltages of 5V
(4.5V to 9V), 12V (9V to 18V), 24V (18V to 36V),
and 48V (36V to 75V) with outputs of 5V, 12V
or 15V provided. The device is housed in a 5
sided metal case potted with UL 94V-0 rated
material. The pinout is an industry standard 5
pin arrangement with an additional optional
control pin.
5
187
12
12
15
15
5
78.1
78.1
62.5
62.5
187
6.3
6.3
7
0.38
0.38
0.38
0.38
25
25
30
30
20
0.4
0.4
7
3.6 0.198
5
187
3.6 0.198 0.08 20
12
12
15
15
78.1
78.1
62.5
62.5
5.9
5.9
5.9
5.9
0.19
0.19
0.19
0.19
25
0.5 25
22
0.5 22
1. Suffix ‘EC’ indicates optional CTRL pin is fitted, as indicated in the mechanical dimensions section.
2. Please refer to minimum load application notes section on page 4.
3. See ripple & noise characterisation method.
All specifications typical at TA=25°C, with recommended input/output capacitors (refer to application note), nominal input voltage and
rated output current unless otherwise specified.
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com
All enquiries: www.murata-ps.com/support
KDC_NDXC.G01 Page 1 of 6
NDX Series
Isolated 7.5W Wide Input Single & Dual Output DC/DC Converters
INPUT CHARACTERISTICS
Parameter
Conditions
Min.
4.5
9
Typ.
5
Max.
9
Units
V
5V input types
12V input types
24V input types
48V input types
12
24
48
70
18
90
80
115
60
50
54
5
18
36
75
Voltage range
18
36
5V input types with 100μF at input
12V input types with 100μF at input
24V input types with 10μF at input
48V input types with 10μF at input
Reflected ripple current
Ripple & noise1
mA p-p
mVrms
5V input types with 100μF at input
12V input types with 100μF at input
24V input types with 10μF at input
48V input types with 10μF at input
BW=20Hz to 300kHz, with external input/output capacitors
10
OUTPUT CHARACTERISTICS
Parameter
Conditions
NDXx0505 types
All other types
Min.
Typ.
Max.
6.0
7.5
5
Units
W
Rated power
5V & 12V Input
24V & 48V Input
5V & 12V Input
24V & 48V Input
All types
3
2
Voltage set point accuracy
With external input/output capacitors
%
%
5
0.1
0.04
0.04
0.2
0.2
0.07
0.9
0.4
0.4
0.9
0.75
0.20
Dual output
Single output
Dual output
Single output
Low line to high line, with external
input/output capacitors
Line regulation
Load regulation
5V & 12V input
24V & 48V input
All types
25% total load to 100% total load
With external input/output capacitors
%
%
5V output
3.8
1.5
2.5
2.5
6
5
7
5
5V & 12V input
24V & 48V input
% voltage change on negative output
when positive load varies from 25%
to 75% with negative load fixed at
100%
12V, 15V output
5V output
Cross regulation
(dual outputs)
12V, 15V output
ABSOLUTE MAXIMUM RATINGS
12V, 15V outputs
Continuous
Short-circuit protection
(Max. case temperature rise 95°C above ambient)
5V output, VIN = nominal, 25ºC Continuous
Lead temperature 1.0mm from case for 10 seconds (to JEDEC
JESD22-B106 ISS C)
260°C
Minimum output load for specification2
25% of rated load on each output
Control pin input voltage
7V
Input voltage, NDXD05,
10V
20V
40V
80V
Input voltage, NDXD12, NDXS12 types
Input voltage, NDXD24, NDXS24 types
Input voltage, NDXD48, NDXS48 types
ISOLATION CHARACTERISTICS
Parameter
Isolation test voltage
Resistance
Conditions
Flash tested for 1 second
Viso = 1kVDC
Min.
1000
1
Typ.
Max.
Units
VDC
GΩ
1. See ripple & noise characterisation method
2. Please refer to minimum load application notes section on page 4.
www.murata-ps.com
All enquiries: www.murata-ps.com/support
KDC_NDXC.G01 Page 2 of 6
NDX Series
Isolated 7.5W Wide Input Single & Dual Output DC/DC Converters
GENERAL CHARACTERISTICS
Parameter
Conditions
Min.
100
Typ.
Max.
900
Units
kHz
5V & 12V input
24V & 48V input
5V, 12V & 15V outputs
100% total load to 25% total load
(Dual Output Types)
5V outputs
680
620
850
600
0.8
0.1
0.8
0.2
7.0
3.0
7.0
3.0
Switching frequency
100
12V & 15V outputs
5V, 12V & 24V input 12V & 15V output
90
90
100% total load to 25% total load
(Single Output Types)
48V input
12V & 15V output
-0.6
0
V
mA
V
Single outputs
Module ON (or pin unconnected)
Module OFF
-0.6
-0.1
3.0
0.7
3.0
0.3
Dual outputs
Single outputs
Dual outputs
mA
V
Control pin input1
mA
V
mA
TEMPERATURE CHARACTERISTICS
Parameter
Operation
Storage
Conditions
Min.
-40
Typ.
Max.
85
Units
°C
-50
130
1212, 1215, 2412, 2415, 4812, 4815
0512, 2405, 4805
35
43
48
Case temperature rise above ambient 100% Load, Nom VIN, Still Air
0505, 0515, 1205
MEAN TIME TO FAILURE (MTTF)2
Part Number
0°C
25°C
1528
1462
1558
1379
Units
kHrs
NDXD2412C
2590
2492
2587
2351
NDXD2415C
NDXD4812C
NDXD4815C
1. See application notes on page 4.
2. Calculated using MIL-HDBK-217F with nominal input voltage at full load.
All specifications typical at TA=25°C, nominal input voltage and rated output current unless otherwise specified.
RoHS COMPLIANCE INFORMATION
This series is compatible with RoHS soldering systems with a peak wave solder temperature of 260ºC for 10
seconds. The pin termination finish on this product series is a Gold flash (0.05-0.10 micron) over Nickel Preplate.
The series is backward compatible with Sn/Pb soldering systems. For further information, please visit
www.murata-ps.com/rohs
www.murata-ps.com
All enquiries: www.murata-ps.com/support
KDC_NDXC.G01 Page 3 of 6
NDX Series
Isolated 7.5W Wide Input Single & Dual Output DC/DC Converters
APPLICATION NOTES
External Capacitance
Although these converters will work without external capacitors, they are
necessary in order to guarantee the full parametric performance over the full
line and load range. All parts have been tested and characterised using the
following values and test circuit.
Value
Input Voltage
5V & 12V
CIN
COUT1
COUT2
100μF, 100V
10μF, 200V
0.1μF, 25V multi-layer
ceramic
100μF, 25V (low ESR)
24V & 48V
Recommended Input & Output Capacitors
+VOUT
+VOUT
+VIN
+VIN
-VIN
COUT1
COUT2
COUT2
OV
CIN
CIN
COUT1
COUT2
NDXSC
NDXDC
COUT1
-VIN
-VOUT
OV
Control Pin
Cross Regulation
Dual Output: This provides an OFF function, which puts the converter into a low
power mode. When the pin is high the converter is OFF. Standard TTL levels can
be used but the maximum high level must not exceed 7.0V. The pin can be left
open for normal operation or at voltage below 0.8V with respect to the -VIN pin.
Single Output: As per dual output, however a series diode must be fitted when
the control pin is used on the single output variants. Recommended diode
1N4148 or similar (direction of fitting is cathode to control pin).
Load regulation is at its best when the positive and negative loads are balanced.
When the loads are asymmetric, the negative output is not as tightly regulated as the
positive output. To meet ripple specification a total minimum load of 25% full load
is required, however, the NDX can be used with much lighter loading at the expense
of increased ripple. A small load of 150mW is required on the negative output to
ensure the maximum negative output voltage is not exceeded. NDX cross regulation
is defined on page 2.
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. A minimum loading
of 30% load is required on NDXD4805 to prevent output voltage rise above specification during power-down.
TECHNICAL NOTES
ISOLATION VOLTAGE
‘Hi Pot Test’, ‘Flash Tested’, ‘Withstand Voltage’, ‘Proof Voltage’, ‘Dielectric Withstand Voltage’ & ‘Isolation Test Voltage’ are all terms that relate to the same thing, a test voltage,
applied for a specified time, across a component designed to provide electrical isolation, to verify the integrity of that isolation.
Murata Power Solutions NDX series of DC/DC converters are all 100% production tested at their stated isolation voltage. This is 1kVDC for 1 second.
A question commonly asked is, “What is the continuous voltage that can be applied across the part in normal operation?”
For a part holding no specific agency approvals, such as the NDX series, both input and output should normally be maintained within SELV limits i.e. less than 42.4V peak, or
60VDC. The isolation test voltage represents a measure of immunity to transient voltages and the part should never be used as an element of a safety isolation system. The part
could be expected to function correctly with several hundred volts offset applied continuously across the isolation barrier; but then the circuitry on both sides of the barrier must
be regarded as operating at an unsafe voltage and further isolation/insulation systems must form a barrier between these circuits and any user-accessible circuitry according to
safety standard requirements.
REPEATED HIGH-VOLTAGE ISOLATION TESTING
It is well known that repeated high-voltage isolation testing of a barrier component can actually degrade isolation capability, to a lesser or greater degree depending on materials,
construction and environment. The NDX series has an EI ferrite core, with no additional insulation between primary and secondary windings of enameled wire. While parts can be
expected to withstand several times the stated test voltage, the isolation capability does depend on the wire insulation. Any material, including this enamel (typically polyurethane)
is susceptible to eventual chemical degradation when subject to very high applied voltages thus implying that the number of tests should be strictly limited. We therefore strongly
advise against repeated high voltage isolation testing, but if it is absolutely required, that the voltage be reduced by 20% from specified test voltage.
This consideration equally applies to agency recognized parts rated for better than functional isolation where the wire enamel insulation is always supplemented by a further
insulation system of physical spacing or barriers.
www.murata-ps.com
All enquiries: www.murata-ps.com/support
KDC_NDXC.G01 Page 4 of 6
NDX Series
Isolated 7.5W Wide Input Single & Dual Output DC/DC Converters
CHARACTERISATION TEST METHODS
Ripple & Noise Characterisation Method
Ripple and noise measurements are performed with the following test configuration with the inclusion of recommended input and output capacitors.
C1
C2
1μF X7R multilayer ceramic capacitor, voltage rating to be a minimum of 3 times the output voltage of the DC/DC converter
10μF tantalum capacitor, voltage rating to be a minimum of 1.5 times the output voltage of the DC/DC converter with an ESR of less
than 100mꢀ at 100 kHz
C3
R1
100nF multilayer ceramic capacitor, general purpose
450ꢀ resistor, carbon film, +/-1% tolerance
R2
50ꢀ BNC termination
T1
3T of the coax cable through a ferrite toroid
RLOAD
Resistive load to the maximum power rating of the DC/DC converter. Connections should be made via twisted wires
Measured values are multiplied by 10 to obtain the specified values.
Differential Mode Noise Test Schematic
DC/DC Converter
OSCILLOSCOPE
Y INPUT
R2
C1 C2 C3
R1
T1
+
+
Input
Output
SUPPLY
-
-
R LOAD
Input Reflected Ripple Current Test Method
Input reflected ripple current measurements are performed with the following test configuration with the inclusion of recommended input and output capacitors.
C1
L1
C2
220uF with ESR of <0.1ꢀ at 100kHz, rated at supply voltage
12uH rated at 150% minimum of the DC current taken by the converter.
The recommended input capacitor for the DC/DC converter.
Current Probe
L
Supply +v
+ Input
DC/DC
Load
Converter
C2
C1
- Input
Supply -v
www.murata-ps.com
All enquiries: www.murata-ps.com/support
KDC_NDXC.G01 Page 5 of 6
NDX Series
Isolated 7.5W Wide Input Single & Dual Output DC/DC Converters
PACKAGE SPECIFICATIONS
MECHANICAL DIMENSIONS
PIN CONNECTIONS
1.26 (32.00)
Function
Pin
Duals
-VIN
Singles
-VIN
1
2
0.98
(25.00)
+VIN
CTRL
+VOUT
OV
+VIN
NDXD2412C
3*
4
CTRL
+VOUT
No pin
XYYWW
5
6
-VOUT
OV
0.394
(10.00)
* Optional pin
0.189 (4.8)
0.157 (4.0)
RECOMMENDED FOOTPRINT DETAILS
0.041 (1.04)
Ø
0.069 (1.75)
0.063 (1.60)
0.1 (2.54)
Ø
0.035 (0.90)
HOLES
4
0.00394 (0
3
*
0.20 (5.08)
2
0.80
(20.32)
0.2 (5.08)
5
1
0.400
(10.16)
†
0.392 (9.96)
0.1 (2.54)
6
*
0.092
(2.34)
0.8
(20.32)
0.23 0.04 (5.84 1.0)
† Hole not required for single output variants.
All dimensions in inches 0.010 (mm 0.25mm).
* Optional pin
Weight: 20g
All dimensions in inches 0.010 (mm 0.25mm) except where stated otherwise.
All pins on a 0.100 (2.54) pitch and within 0.010 (0.25) of true position.
The copper case is connected to the output (-VOUT) pin. Care is needed in the design of this circuit board on which the
converter is mounted. Top side tracks must not contact the edge of the case on the underside of the unit.
Please note that from 2010 onwards you may receive either a blue or a black case finish.
TUBE OUTLINE DIMENSIONS
1.362 (34.60)
0.732
(18.60)
0.488 (12.40)
0.031 0.006 (0.80 0.15)
All dimensions in inches 0.010 (mm 0.25mm).
Quantity: 15
Murata Power Solutions, Inc.
11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A.
ISO 9001 and 14001 REGISTERED
Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other
technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply
the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without
notice.
© 2011 Murata Power Solutions, Inc.
www.murata-ps.com/locations
All enquiries: www.murata-ps.com/support
KDC_NDXC.G01 Page 6 of 6
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