NMD Series www.murata-ps.com Isolated 1W Twin Output DC/DC Converters FEATURES RoHS compliant Twin independent outputs Input/output isolation 1kVDC NMD050505DC NMD050509DC NMD050505SC NMD050509SC NMD050512SC NMD050515SC NMD120509DC NMD120515DC NMD120509SC NMD120512SC NMD120515SC Efficiency to 80% Power density 0.85W/cm3 UL 94V-0 package material Footprint from 1.17cm2 5V & 12V input One 5V output (V1) MTTF1 Efficiency Output Current 2 V V V mA mA % kHrs 5 5 5 5 5 5 12 12 12 12 12 5 5 5 5 5 5 5 5 5 5 5 5 9 5 9 12 15 9 15 9 12 15 100 100 100 100 100 100 100 100 100 100 100 100 56 100 56 42 34 56 34 56 42 34 70 80 70 80 80 80 80 80 80 80 80 1615 669 1615 669 339 187 343 148 343 229 148 Output/output isolation 1kVDC Power sharing on outputs Output Current 1 Output Voltage 2 Order Code Nominal Input Voltage Output Voltage 1 SELECTION GUIDE Package Style DIP DIP SIP SIP SIP SIP DIP DIP SIP SIP SIP Obsolete NMD050503DC NMD050512DC NMD050515DC NMD050503SC NMD120505DC NMD120512DC NMD120505SC 5 5 5 5 12 12 12 5 5 5 5 5 5 5 3.3 12 15 3.3 5 12 5 100 100 100 100 100 100 100 152 42 34 152 100 42 100 70 80 80 70 70 80 70 1615 339 187 1615 489 229 489 DIP DIP DIP SIP DIP DIP SIP Recommended Alternative Contact Murata NMD050512SC NMD050515SC Contact Murata Contact Murata NMD120512SC Contact Murata 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. 3.3V, 5V, 9V, 12V and 15V output (V2) No heatsink required Internal SMD construction Fully encapsulated with toroidal magnetics 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 No external components required OUTPUT CHARACTERISTICS MTTF up to 1.6 million hours Parameter Conditions Custom solutions available Rated power2 Voltage set point accuracy TA=0°C to 125°C See tolerance envelope NMD050503xC High VIN to Low VIN All other variants 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 Line 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. Load regulation Ripple and noise 1.0 1.0 1.25 1.20 15 15 10 10 10 75 %/% % 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 For full details go to www.murata-ps.com/rohs 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. www.murata-ps.com/support KDC_NMD.D05 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/support KDC_NMD.D05 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. -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) www.murata-ps.com/support KDC_NMD.D05 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). Murata Power Solutions, Inc. 11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A. ISO 9001 and 14001 REGISTERED Tube Quantity : 25 This product is subject to the following operating requirements and the Life and Safety Critical Application Sales Policy: Refer to: http://www.murata-ps.com/requirements/ 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. © 2013 Murata Power Solutions, Inc. www.murata-ps.com/support KDC_NMD.D05 Page 4 of 4