NCS12 Series www.murata-ps.com Isolated 12W 4:1 Input Single & Dual Output DC/DC Converters SELECTION GUIDE Load Regulation Input 1 Output Efciency MTTF Output Positive Negative Positive Negative Voltage Voltage Current Order Code Output Output Output Output Nom. Typical Max Min. Typ. V V A % % % % % Hrs NCS12S1203C 12 3.3 3.64 1 1.5 78 83.5 269,492 NCS12S1205C 12 5 2.40 0.5 1 84 88 313,578 NCS12S1212C 12 12 1.00 0.1 0.3 83 84.5 230,569 NCS12S1215C 12 15 0.80 0.1 0.3 83 85.5 195,596 NCS12S4803C 48 3.3 3.64 1.2 2 81 85.5 341,943 NCS12S4805C 48 5 2.40 0.5 1 84 87.5 418,117 FEATURES NCS12S4812C 48 12 1.00 0.1 0.3 82 84.5 296,593 UL 60950 recognition pending NCS12S4815C 48 15 0.80 0.1 0.3 84 85 259,485 NCS12D1205C 12 5 1.2 0.15 0.3 0.3 2 80 81.5 182,655 4:1 Wide range voltage input NCS12D1212C 12 12 0.5 0.05 0.2 0.3 1.5 83 85 158,750 Operating temperature range -40C to 85C NCS12D1215C 12 15 0.4 0.05 0.1 0.3 1.5 84 86 140,435 NCS12D4805C 48 5 1.2 0.15 0.5 0.3 2 78 80 165,931 Typical load regulation from 0.05% NCS12D4812C 48 12 0.5 0.05 0.4 0.3 1.5 83 85 215,533 1.5kVDC Isolation Hi Pot Test NCS12D4815C 48 15 0.4 0.05 0.4 0.3 1.5 83 85 146,257 3.3V, 5V, 12V & 15V outputs SELECTION GUIDE (Continued) UL 94V-0 Package materials Input Current Ripple and Noise 10% Load 10% Load 100% Load No electrolytic capacitors Order Code Typ. 12/48V Typ. 24V Typ. 12/48V Typ. Max Thermal shutdown A A A mVp/p mVp/p NCS12S1203C 0.15 0.1 1.2 60 125 Under voltage lock out NCS12S1205C 0.1 0.16 1.1 50 125 Current fold back NCS12S1212C 0.1 0.06 1.2 80 125 NCS12S1215C 0.06 0.1 1.2 100 125 PRODUCT OVERVIEW NCS12S4803C 0.05 0.08 0.3 100 125 NCS12S4805C 0.05 0.08 0.3 90 125 The NCS12 series of DC/DC converters offers NCS12S4812C 0.03 0.06 0.3 75 125 single & dual output voltages from input voltage NCS12S4815C 0.03 0.06 0.3 90 125 ranges of 9-36V and 18-75V. The NCS12 is housed in an industry standard package with NCS12D1205C 0.04 0.07 1.25 35 100 a standard pinout. The NCS12 is packaged in a NCS12D1212C 0.04 0.07 1.2 40 100 metal case for improved EMI shielding and is also NCS12D1215C 0.05 0.07 1.5 55 100 encapsulated for superior thermal performance. NCS12D4805C 0.03 0.07 0.3 70 100 NCS12D4812C 0.03 0.07 0.3 84 100 Applications include telecommunications, battery NCS12D4815C 0.03 0.07 0.4 55 100 powered systems, process control and distributed power systems. INPUT CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units 12V input types 9 24 36 Voltage range V 48V input types 18 48 75 Turn on threshold 12V input types 8.5 Turn off threshold 12V input types 7.5 Under voltage lock out V Turn on threshold 48V input types 16.7 Turn off threshold 48V input types 15.8 NCS12X12 10 Power consumption at mW shutdown NCS12X48 100 48V dual output types 15 Reected ripple current mA p-p All other types 10 1 Calculated using MIL-HDBK-217 FN2, parts stress method with nominal input voltage at full load. For full details go to All specications typical at TA=25C, nominal input voltage and rated output current unless otherwise specied. www.murata-ps.com/rohs www.murata-ps.com All enquiries: www.murata-ps.com/support KDC NCS12C.B02 Page 1 of 14NCS12 Series Isolated 12W 4:1 Input Single & Dual Output DC/DC Converters OUTPUT CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units Rated power All output types 12 W Minimal load to meet datasheet specication 10 % Positive outputs 2 Voltage set point accuracy Negative outputs 3 % Positive outputs 0.04 0.1 Line regulation Low line to high line % Negative outputs 0.3 1 D1205 & D4805 4 6.5 Cross Regulation % D1212, D1215 ,D4812, D4815 2 5 Peak deviation (12.5-37.5% & 37.5-12.5% swing) 5 %V out Transient response Single output types 500 Settling time s (within 1% V Nom.) out Dual output types 250 ISOLATION CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units Isolation test voltage Flash tested for 1 seconds 1500 VDC Resistance Viso = 1kVDC 1 G S1203, S1205, S4803, S4805 600 Capacitance pF All other types 230 ABSOLUTE MAXIMUM RATINGS Short-circuit protection (for SELV input voltages) 30 minutes Control pin input voltage 18V Max Lead temperature 1.0mm from case for 10 seconds (to JEDEC JESD22-B106 ISS C) 260C Input voltage, NCS12 12V input types 40V Input voltage, NCS12 48V input types 80V 1 GENERAL CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units S1203, S1205, S4803 & S4805 340 Switching frequency kHz All other types 220 Module on, pin unconnected or open collector oating Control pin input Module off 0.8 V TEMPERATURE CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units Operation With derating - see derating graph -40 85 Storage -50 125 NCS12S1203C 65 100% Load, Nom VIN, Case temperature above ambient NCS12S1215C, NCS12D1205C, NCS12D4805C 60 C Still Air All other types 44 Single 3.3V & 5V outputs 135 Thermal shutdown Case Temperature All other types 120 www.murata-ps.com All enquiries: www.murata-ps.com/support KDC NCS12C.B02 Page 2 of 14