NPH10S Series www.murata-ps.com Isolated 10W Single Output DC-DC Converters SELECTION GUIDE Current 1 2 Order Code Limit (Typ.) V V A A % F kHrs NPH10S2403EiC 24 3.4 2.94 4.3 79 470 279 NPH10S2403iC 24 3.4 2.94 4.3 79 470 279 FEATURES NPH10S2405EiC 24 5.1 1.96 3.1 83 470 275 RoHS compliant NPH10S2405iC 24 5.1 1.96 3.1 83 470 275 High efciency to 87% NPH10S2412EiC 24 12.1 0.83 1.2 86 100 259 NPH10S2412iC 24 12.1 0.83 1.2 86 100 259 3 Power density up to 1.5Wcm NPH10S2415EiC 24 15.1 0.67 1.1 86 47 243 UL1950 recognized NPH10S2415iC 24 15.1 0.67 1.1 86 47 243 NPH10S4803EiC 48 3.4 2.94 4.1 80 470 317 Industry standard pinout NPH10S4803iC 48 3.4 2.94 4.1 80 470 317 Surge rating to 12W NPH10S4805EiC 48 5.1 1.96 2.8 83 470 312 NPH10S4805iC 48 5.1 1.96 2.8 83 470 312 Non latching current limit Recommended 1.5kV input to output isolation Alternative NPH10S4812EiC 48 12.1 0.83 1.3 86 56 291 UEI15-120-Q48P-C Versatile control options NPH10S4812iC 48 12.1 0.83 1.3 86 56 291 UEI15-120-Q48P-C Continuous rating to 10W at 72C without NPH10S4815EiC 48 15.1 0.67 1.0 87 22 272 UEI15-150-Q48P-C heatsink NPH10S4815iC 48 15.1 0.67 1.0 87 22 272 UEI15-150-Q48P-C Operation to zero load INPUT CHARACTERISTICS Protected against load faults Parameter Conditions Min. Typ. Max. Units Internal over temperature protection Continuous operation, 24V input types 18 24 36 Voltage range V 4 Continuous operation, 48V input types 36 48 75 Uses no electrolytic capacitors Fixed frequency OUTPUT CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units No external components required Voltage set point error 50% load after 30 mins at nominal sup- 0.5 % ply voltage DESCRIPTION Case temperature -40C to 110C The NPH10S series of DC-DC converters combines Overall voltage error Load 0% - 100% 1 2.5 % ease of application with versatility. The pin pattern Input specied range is based on the popular industry standard, but two Temperature coefcient of Over any 10C span within the specied 50 250 ppmC additional pins may optionally be tted to provide output voltage (slope) temperature range a variety of features not commonly found on units Deviation of output voltage Specied over temperature MIN-MAX 0.5 1 % of this type. High efciency enables full rating to Line regulation Operating voltage range, 50% load 0.05 0.1 % be achieved in a small package without heat- 5 Load Regulation 0% - 100% rated load 0.5 % sinking. Thermally protected against sustained Ripple rms 70 mV overload. The copper case achieves efcient heat transfer and screening. The product range has ABSOLUTE MAXIMUM RATINGS been recognised by Underwriters Laboratory (UL) 6 Input voltage, 24V input types -0.5V to 40V to UL 1950 for operational insulation, le number 6 Input voltage, 48V input types -0.5V to 80V E151252 applies. Output voltage -0.3V to controlled output voltage (operating or non-operating) Output trim control -1V to +30V Synchronisation/shutdown control 15V relative to input return 1. Parts ending with EiC have optional TRIM and SS pins tted. 2. Current is quoted when output is 95% of regulated voltage. 3. Calculated using MIL-HDBK-217F with nominal input voltage at full load. 4. For applications requiring UL 1950 recognition, input voltage must not exceed 60VDC. 5. A minimum load of 10% of rating is recommended for typical applications. For full details go to 6. Absolute maximum value for 30 seconds. Prolonged application may damage the product. www.murata-ps.com/rohs All specications typical at TA=25C, nominal input voltage and rated output current unless otherwise specied. www.murata-ps.com/support KDC NPH10SC.J05 Page 1 of 8 Nominal Input Voltage Output Voltage Output Current Efciency Max. Load Capaci- tance 3 MTTF NPH10S Series Isolated 10W Single Output DC-DC Converters CONTROL CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units 1 Voltage trimming range At rated load, trim control at either output 10 % Remote switch input (voltage relative to For shutdown -15 0 1.5 V 1 input negative) Operating, open circuit voltage 9 10 11 Time from application of valid input voltage to output being in speci- Start delay 25 ms cation 1 Synchronisation Specied drive signal 320 440 kHz Switching frequency 330 350 395 kHz ISOLATION CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units Isolation test voltage Flash tested for 1 second 1500 VDC Resistance VISO = 500VDC 1 G 3.3V and 5V output 50 Capacitance pF 12V and 15V output 90 TEMPERATURE CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units Case temperature Full load -40 110 C Storage Absolute Max. internal temperature -40 125 Relative humidity Non condensing 85C 85 % Thermal protection Operates at case temperature 110 C THERMAL CHARACTERISTICS Max. power rating with case temperature maintained by external means (e.g. forced air cooling). Case Temperature Part Number Units 100C 105C 110C NPH20S2403XXX 10 7.0 2.3 NPH10S2405XXX 10 8.2 3.0 W NPH10S2412XXX 10 9.5 4.0 NPH10S2415XXX 12 9.5 4.0 NPH10S4803XXX 10 7.0 1.0 NPH10S4805XXX 10 4.7 1.0 W NPH10S4812XXX 12 8.0 0 NPH10S4815XXX 12 7.5 0 THERMAL PERFORMANCE 24V Input 48V Input XFS 8 P0VUQVU 1 XFS 8 P0VUQVU 1 FNQFSB UVSF 5NCJFOU FNQFSB UVSF 5NCJFOU 1. Optional - where tted. www.murata-ps.com/support KDC NPH10SC.J05 Page 2 of 8