Murata NMD050509SC Isolated 1w twin output dc/dc converter Datasheet

NMD Series
Isolated 1W Twin Output DC/DC Converters
SELECTION GUIDE
Order Code
FEATURES
RoHS compliant
Twin independent outputs
Input/output isolation 1kVDC
Output/output isolation 1kVDC
Power sharing on outputs
Efficiency to 80%
Power density 0.85W/cm3
UL 94V-0 package material
Footprint from 1.17cm2
5V & 12V input
One 5V output (V1)
3.3V, 5V, 9V, 12V and 15V output (V2)
No heatsink required
NMD050503DC
NMD050505DC
NMD050509DC
NMD050512DC
NMD050515DC
NMD050503SC
NMD050505SC
NMD050509SC
NMD050512SC
NMD050515SC
NMD120505DC
NMD120509DC
NMD120512DC
NMD120515DC
NMD120505SC
NMD120509SC
NMD120512SC
NMD120515SC
Nominal
Input
Voltage
V
5
5
5
5
5
5
5
5
5
5
12
12
12
12
12
12
12
12
No external components required
MTTF up to 1.6 million hours
Custom solutions available
V
V
mA
mA
%
kHrs
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
3.3
5
9
12
15
3.3
5
9
12
15
5
9
12
15
5
9
12
15
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
152
100
56
42
34
152
100
56
42
34
100
56
42
34
100
56
42
34
70
70
80
80
80
70
70
80
80
80
70
80
80
80
70
80
80
80
1615
1615
669
339
187
1615
1615
669
339
187
489
343
229
148
489
343
229
148
Package
Style
DIP
SIP
DIP
SIP
INPUT CHARACTERISTICS
Parameter
Conditions
Min.
Typ.
Max.
Units
Voltage range
Continuous operation, 5V input types
Continuous operation, 12V input types
4.5
10.8
5.0
12
5.5
13.2
V
Min.
Typ.
Max.
Units
1.0
W
1.2
15
15
10
10
10
75
%/%
OUTPUT CHARACTERISTICS
Parameter
Conditions
Rated power2
Voltage set point accuracy
Line regulation
TA=0°C to 125°C
See tolerance envelope
High VIN to low VIN
10% load to rated load, 3.3V output types
10% load to rated load, 5V output types
10% load to rated load, 9V output types
10% load to rated load, 12V output types
10% load to rated load, 15V output types
BW=DC to 20MHz, all output types
PCB mounting
Load regulation
DESCRIPTION
The NMD series of DC/DC converters are ideally
suited to applications where a potential difference
exists between loads, e.g. motor control circuits.
The twin outputs offer cost and space savings
by consolidating two DC/DC converters into one
package. All of the rated power may be drawn
from a single output provided the total load does
not exceed 1 watt.
MTTF1
When operated with additional external load capacitance the rise time of the input voltage will determine the maximum external
capacitance value for guaranteed start up. The slower the rise time of the input voltage the greater the maximum value of the
additional external capacitance for reliable start up.
Internal SMD construction
Fully encapsulated with toroidal magnetics
Output
Output
Output
Output
Efficiency
Voltage 1 Voltage 2 Current 1 Current 2
Ripple and noise
1.0
%
mV p-p
ABSOLUTE MAXIMUM RATINGS
Short-circuit protection3
Lead temperature 1.5mm from case for 10 seconds
Input voltage VIN, NMD05 types
Input voltage VIN, NMD12 types
1 second
300°C
7V
15V
1. Calculated using MIL-HDBK-217F with nominal input voltage at full load.
2. See derating curve.
3. Supply voltage must be disconnected at the end of the short circuit duration.
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
Technical enquiries - email: [email protected], tel: +44 (0)1908 615232
KDC_NMDC.D02 Page 1 of 4
NMD Series
Isolated 1W Twin Output DC/DC Converters
ISOLATION CHARACTERISTICS
Parameter
Conditions
Min.
Isolation test voltage
Resistance
Flash tested for 1 second
Viso= 500VDC
1000
1
Parameter
Conditions
Min.
Switching frequency
All input types
Typ.
Max.
Units
VDC
GΩ
GENERAL CHARACTERISTICS
Typ.
Max.
100
Units
kHz
TEMPERATURE CHARACTERISTICS
Parameter
Conditions
Min.
Specification
Storage
Cooling
All output types
0
-55
Typ.
Max.
Units
70
150
ºC
Free air convection
TOLERANCE ENVELOPE
+10%
+5%
VNOM
70°C
1.0
0.5 Safe Operating Area
125ºC
0
0
50
100
Ambient Temperature (ºC)
150
Output Voltage
Output Power (W)
TEMPERATURE DERATING GRAPH
1.5
Typical
L
oad Line
+2.5%
-2.5%
-7.5%
10
75
50
25
Output Load Current (%)
100
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 NMD 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 NMD 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 NMD series has toroidal isolation transformers, 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.
RoHS COMPLIANCE INFORMATION
This series is compatible with RoHS soldering systems with a peak wave solder temperature of 300°C for 10 seconds. The pin termination finish
on the SIP package type is Tin Plate, Hot Dipped over Matte Tin with Nickel Preplate. The DIP types are Matte Tin over Nickel Preplate. Both
types in this series are backward compatible with Sn/Pb soldering systems.
For further information, please visit www.murata-ps.com/rohs
www.murata-ps.com
Technical enquiries - email: [email protected], tel: +44 (0)1908 615232
KDC_NMDC.D02 Page 2 of 4
NMD Series
Isolated 1W Twin Output DC/DC Converters
PACKAGE SPECIFICATIONS
MECHANICAL DIMENSIONS
PIN CONNECTIONS - 14 PIN DIP
SIP Package
DIP Package
0.77 (19.50)
0.77
(19.50)
0.385
(9.80)
NMD050505DC
XYYWW
0.236
(6.00)
0.268
(6.80)
0.394
(10.00)
NMD050515SC
XYYWW
.181 (4.60)
.142 (3.60)
1
0.1 (2.54)
0.022 (0.55)
0.0178 (0.45)
0.043
(1.09)
1
7
14
11 10 9 8
0.3 (7.62)
0.084
(2.13)
0.6 (15.24)
0.181 (4.60)
0.141 (3.60)
0.22 (0.55)
0.0178 (0.45)
0.0118 (0.30)
0.0079 (0.20)
0.0118 (0.30)
0.0079 (0.20)
0.05
(1.25)
0.5 (12.70)
All dimensions in inches ±0.01 (mm ±0.25mm). All pins on a 0.1 (2.54) pitch and within ±0.01 (0.25) of true position.
www.murata-ps.com
-VIN
NC
-VOUT2
+VOUT2
-VOUT1
+VOUT1
+VIN
PIN CONNECTIONS - 7 PIN SIP
0.1 (2.54)
0.079
(2.00)
Function
1
7
8
9
10
11
14
0.022 (0.55)
0.0178 (0.45)
4 5 6 7
2
Pin
Pin
Function
1
2
4
5
6
7
+VIN
-VIN
+VOUT1
-VOUT1
+VOUT2
-VOUT2
Weight: 2.3g (DIP & SIP)
Technical enquiries - email: [email protected], tel: +44 (0)1908 615232
KDC_NMDC.D02 Page 3 of 4
NMD Series
Isolated 1W Twin Output DC/DC Converters
PACKAGE SPECIFICATIONS (continued)
RECOMMENDED FOOTPRINT DETAILS
7 Pin SIP Package
14 Pin DIP Package
 )0-&4
 )0-&4
TUBE OUTLINE DIMENSIONS
7 Pin SIP Tube
14 Pin DIP Tube
Unless otherwise stated all dimensions in inches (mm) ±0.5mm.
Tube length (14 Pin DIP) : 20.47 (520mm ±2mm).
Tube length (7 Pin SIP) : 20.47 (520mm ±2mm).
Tube Quantity : 25
USA:
Tucson (Az), Tel: (800) 547 2537, email: [email protected]
Canada: Toronto, Tel: (866) 740 1232, email: [email protected]
Murata Power Solutions, Inc.
11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A.
Tel: (508) 339-3000 (800) 233-2765 Fax: (508) 339-6356
www.murata-ps.com email: [email protected] ISO 9001 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.
© 2008 Murata Power Solutions, Inc.
www.murata-ps.com
UK:
Milton Keynes, Tel: +44 (0)1908 615232, email: [email protected]
France:
Montigny Le Bretonneux, Tel: +33 (0)1 34 60 01 01, email: [email protected]
Germany: München, Tel: +49 (0)89-544334-0, email: [email protected]
Japan:
Tokyo, Tel: 3-3779-1031, email: [email protected]
Osaka, Tel: 6-6354-2025, email: [email protected]
Website: www.murata-ps.jp
China:
Shanghai, Tel: +86 215 027 3678, email: [email protected]
Guangzhou, Tel: +86 208 221 8066, email: [email protected]
Technical enquiries - email: [email protected], tel: +44 (0)1908 615232
KDC_NMDC.D02 Page 4 of 4
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