NMS Series www.murata-ps.com 6kVDC Isolated 2W Dual Output DC/DC Converters SELECTION GUIDE Order Code FEATURES RoHS compliant UL1950 recognized Efficiency to 82% Power density up to 0.44W/cm3 Nominal Input Voltage NMS0505C NMS0509C NMS0512C NMS0515C NMS1205C NMS1209C NMS1212C NMS1215C Output Voltage Output Current Efficiency Isolation Capacitance MTTF1 V V mA % pF kHrs 5 5 5 5 12 12 12 12 ±5 ±9 ±12 ±15 ±5 ±9 ±12 ±15 ±200 ±111 ±83 ±67 ±200 ±111 ±83 ±67 74 76 77 78 78 81 82 82 1.8 1.9 2.0 2.1 1.9 2.0 2.1 2.2 747 327 169 93 365 224 136 82 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. Dual outputs INPUT CHARACTERISTICS Low profile package Parameter Conditions Min. Typ. Max. Units UL 94V-0 package material Voltage range Continuous operation, 5V input types Continuous operation, 12V input types 4.5 10.8 5 12 5.5 13.2 V Conditions TA=0°C to 70°C Min. Typ. Max. Units See tolerance envelope High VIN to low VIN 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 -7.5 2 10 1.2 15 15 15 15 200 W % %/% mV p-p Max. Units No heatsink required Footprint 4.75cm2 OUTPUT CHARACTERISTICS 6kVDC isolation Rated Power2 Voltage Set Point Accuracy Line regulation 5V & 12V input 5V, 9V, 12V and 15V output Internal SMD construction Parameter Load Regulation Fully encapsulated with toroidal magnetics MTTF up to 747 kHrs PCB mounting Ripple and Noise 1.0 10 6 6 6 % ISOLATION CHARACTERISTICS DESCRIPTION The NMS series of DC/DC converters are UL1950 recognized which makes them ideal for all telecom and safety applications where approved isolation is required. The low profile package allows mounting in rack systems without risk of touching other boards. The output configuration allows all of the rated power to be drawn from a single pin provided the total load does not exceed 2 watts. The devices feature low noise and low isolation capacitance suiltable for applications in high noise environments, e.g. heavy electrical machine interface. Parameter Conditions Min. Isolation test voltage Resistance Flash tested for 1 second Viso= 500VDC 6000 Typ. VDC GΩ 10 GENERAL CHARACTERISTICS Parameter Conditions Switching frequency All input types Min. Typ. 35 Max. Units kHz ABSOLUTE MAXIMUM RATINGS Short-circuit protection3 Lead temperature 1.5mm from case for 10 seconds Internal power dissipation Input voltage VIN, NMS05 types Input voltage VIN, NMS12 types 1 second 300°C 900mW 7V 15V 1. Calculated using MIL-HDBK-217F with nominal input voltage at full load. 2. See derating graph. 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/support KDC_NMS.G03 Page 1 of 3 NMS Series 6kVDC Isolated 2W Dual Output DC/DC Converters TEMPERATURE CHARACTERISTICS Parameter Conditions Min. Specification Storage Case Temperature above ambient Cooling All output types 0 -50 All output types Free air convection TOLERANCE ENVELOPE 3.0 +10% 2.0 +5% VNOM 70°C 0 Output Voltage Output Power (W) TEMPERATURE DERATING GRAPH Safe Operating Area 1.0 0 Typ. 20 40 60 Ambient Temperature (°C) 80 Max. Units 70 130 32 °C SAFETY APPROVAL The NMS series has been recognised Typical L oad Line +2.5% by Underwriters Laboratory (UL) to UL 60950 -2.5% for supplementary insulation up to 300Vrms -7.5% and reinforced insulation up to 150Vrms working voltage. File number E179522 applies. 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 NMS series of dc/dc converters are all 100% production tested at their stated isolation voltage. This is 6kVDC for 1 second. A question commonly asked is, “What is the continuous voltage that can be applied across the part in normal operation?” The NMS series has been recognized by Underwiters Laboratory to a working voltage of 300Vrms for Supplementary Insulation system and 150Vrms for Reinforced Insulation systems. 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. 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. www.murata-ps.com/support KDC_NMS.G03 Page 2 of 3 NMS Series 6kVDC Isolated 2W Dual Output DC/DC Converters PACKAGE SPECIFICATIONS MECHANICAL DIMENSIONS PIN CONNECTIONS 1.28 (32.60) MAX 1 24 2 23 8 17 9 16 10 15 11 14 12 13 0.154 (3.90) 0.370±0.012 (9.40±0.30) 0.0236 (0.60) MAX 0.58 (14.72) 0.022 (0.55) 0.018 (0.45) 0.012 (0.30) 0.008 (0.20) 0.600 (15.24) 0.1 (2.54) Function 1 2 8 9 10 11 12 13 14 15 16 17 23 24 +VIN -VIN -VOUT NC OV NC +VOUT +VOUT NC OV NC -VOUT NC NC 0.6673 (16.95) MAX Weight: 7.5g 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. TUBE OUTLINE DIMENSIONS RECOMMENDED FOOTPRINT DETAILS 0.085 (2.16) Pin Unless otherwise stated all dimensions in inches ±0.01 (mm) ±0.5mm. Unless otherwise stated all dimensions in inches ±0.01 (mm) ±0.5mm. Tube length : 20.47±0.079 (520mm ±2mm). Tube Quantity : 15 RoHS COMPLIANCE INFORMATION This series is compatible with RoHS soldering systems with a peak wave solder temperature of 300ºC for 10 seconds. The pin termination finish on this product series is Matte Tin over Nickel Preplate. The series is backward compatible with Sn/Pb soldering systems. For further information, please visit www.murata-ps.com/rohs Murata Power Solutions, Inc. 11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A. ISO 9001 and 14001 REGISTERED 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. © 2012 Murata Power Solutions, Inc. www.murata-ps.com/support KDC_NMS.G03 Page 3 of 3