NME1515SC www.murata-ps.com Isolated 1W Single Output DC/DC Converter SELECTION GUIDE Order Code Nominal Input Voltage NME1515SC Output Voltage V V 15 15 Input Output Current Current at Rated Load mA mA 67 Efficiency Package Style % 81 82 SIP INPUT CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units Continuous operation 13.5 15 FEATURES Voltage range Reflected ripple current 16.5 90 V mA p-p RoHS compliant OUTPUT CHARACTERISTICS Single isolated output Parameter Conditions Min. Typ. Max. Units Rated Power1 Voltage Set Point Accuracy Line regulation Load Regulation Ripple and Noise TA=-40°C to 120°C See tolerance envelope High VIN to low VIN 10% load to rated load BW=DC to 20MHz 1.0 W 1.05 3 1.2 10 150 %/% % mV p-p Typ. Max. Units 1kVDC isolation UL 94V-0 package material Industry standard pinout No heatsink required Internal SMD construction Fully encapsulated with toroidal magnetics No external components required ISOLATION CHARACTERISTICS Parameter Conditions Min. Isolation test voltage Resistance Flash tested for 1 second Viso= 1000VDC 1000 Custom solutions available GENERAL CHARACTERISTICS PCB mounting Switching frequency DESCRIPTION TEMPERATURE CHARACTERISTICS The NME1515SC DC/DC converter is particularly suited to isolating power rails. The galvanic isolation allows the device to be configured to provide an isolated negative rail in systems where only positive rails exist. Parameter Conditions Min. Specification Storage Case Temperature above ambient Cooling All output types -40 -50 Parameter VDC GΩ 10 Conditions Min. Typ. Max. 100 Typ. Units kHz Max. 85 130 Units °C 32 Free air convection ABSOLUTE MAXIMUM RATINGS Lead temperature 1.5mm from case for 10 seconds Internal power dissipation Input voltage VIN 300°C 450mW 18V 1. See derating curve. 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_NM1515SC.A02 Page 1 of 3 NME1515SC Isolated 1W Single Output DC/DC Converter TEMPERATURE DERATING GRAPH TOLERANCE ENVELOPE +10% 1.0 0.5 Safe Operating Area 120°C 0 -40 Typical L +5% VNOM 70°C 100 50 0 Ambient Temperature (°C) 150 Output Voltage Output Power (W) 1.5 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 NME1515SC is 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 NME1515SC, 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 NME1515SC has a toroidal isolation transformer, 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 NME1515SC 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_NM1515SC.A02 Page 2 of 3 NME1515SC Isolated 1W Single Output DC/DC Converter PACKAGE SPECIFICATIONS RECOMMENDED FOOTPRINT DETAILS MECHANICAL DIMENSIONS )0-&4 0.45 (11.48) PIN CONNECTIONS - 4 PIN SIP 0.236 (6.00) Pin Function 1 2 3 4 -VIN +VIN -VOUT +VOUT NME1515SC 0.022 (0.55) 0.018 (0.45) XYYWW 3 4 0.022 (0.55) 0.018 (0.45) 0.074 (1.89) 0.109 (2.77) 0.0118 (0.30) 0.0078 (0.20) 2 1 0.181 (4.60) 0.142 (3.60) TUBE OUTLINE DIMENSIONS 0.393 (10.0) 0.049 (1.25) 0.3 (7.62) 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. Weight: 1.30g Murata Power Solutions, Inc. 11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A. ISO 9001 and 14001 REGISTERED Unless otherwise stated all dimensions in inches (mm) ±0.5mm. Tube length : 20.47 (520mm ±2mm). Tube Quantity : 35 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_NM1515SC.A02 Page 3 of 3