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NPH25S Datasheet(PDF) 1 Page - Murata Manufacturing Co., Ltd. |
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NPH25S Datasheet(HTML) 1 Page - Murata Manufacturing Co., Ltd. |
1 / 8 page NPH25S Series Isolated 25W Single Output DC/DC Converters KDC_NPH25S.H01 Page 1 of 8 www.murata-ps.com www.murata-ps.com/support For full details go to www.murata-ps.com/rohs SELECTION GUIDE Order Code1 Nominal Input Voltage Current Limit MTTF2 Recommended Alternative V V A A (Min.) A (Max.) % kHrs NPH25S2403EiC 24 3.4 7.3 7.5 11.0 81 334 UEI30-033-Q48N-C NPH25S2403iC 24 3.4 7.3 7.5 11.0 81 334 UEI30-033-Q48N-C NPH25S2405EiC 24 5.1 5.0 5.0 7.5 84 290 UEI30-050-Q48N-C NPH25S2405iC 24 5.1 5.0 5.0 7.5 84 290 UEI30-050-Q48N-C NPH25S2412EiC 24 12.1 2.1 2.5 3.7 86 291 UEI30-120-Q48N-C NPH25S2412iC 24 12.1 2.1 2.5 3.7 86 291 UEI30-120-Q48N-C NPH25S2415EiC 24 15.1 1.7 2.0 3.0 87 290 UEI30-150-Q48N-C NPH25S2415iC 24 15.1 1.7 2.0 3.0 87 290 UEI30-150-Q48N-C Obsolete NPH25S4803EiC 48 3.4 7.3 7.5 11.0 83 369 UEI25-033-D48P-C NPH25S4803iC 48 3.4 7.3 7.5 11.0 83 369 UEI25-033-D48P-C NPH25S4805EiC 48 5.1 5.0 5.0 7.5 85 366 UEI25-050-D48P-C NPH25S4805iC 48 5.1 5.0 5.0 7.5 85 366 UEI25-050-D48P-C NPH25S4812EiC 48 12.1 2.1 2.5 3.7 88 368 UEI25-120-D48P-C NPH25S4812iC 48 12.1 2.1 2.5 3.7 88 368 UEI25-120-D48P-C NPH25S4815EiC 48 15.1 1.7 2.0 3.0 89 366 Contact Murata NPH25S4815iC 48 15.1 1.7 2.0 3.0 89 366 Contact Murata INPUT CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units Voltage range Continuous operation, 24V input types 18 24 36 V Continuous operation, 48V input types 36 48 75 OUTPUT CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units Voltage set point error 50% load 0.5 % Overall voltage error Case temperature -40ºC to 110ºC Load 0% - 100%, Input specified range 2.5 % Temperature coefficient of output voltage (slope) 250 ppmºC Deviation of output voltage Temperature MIN-MAX 0.5 1 % Line regulation Operating voltage range, 50% load 0.1 % Load Regulation 0% - 100% rated load 0.5 Ripple rms 70 mV ISOLATION CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units Isolation test voltage Flash tested for 1 second 1500 VDC Resistance VISO = 500VDC 1 GΩ ABSOLUTE MAXIMUM RATINGS Input voltage, 24V input types -0.5V to 40V3 Input voltage, 48V input types -0.5V to 80V3 Output voltage -0.3V to regulated voltage 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 fitted. 2. Calculated using MIL-HDBK-217F with nominal input voltage at full load. 3. Absolute maximum value for 30 seconds. Prolonged operation may damage the product. All specifications typical at TA=25°C, nominal input voltage and rated output current unless otherwise specified. FEATURES RoHS compliant High efficiency to 89% Power density up to 1.78W/cm3 UL94 V-0 package material Industry standard pinout UL 1950 recognized Non latching current limit Constant 350kHz frequency 1.5kV input to output isolation Versatile control options Continuous rating to 30W at 60ºC without heatsink Operation to zero load Protected against load faults Internal over temperature protection Uses no electrolytic capacitors DESCRIPTION The NPH25S series of DC/DC converters combines ease of application with versatility. The pin pattern is based on the popular industry standard, but two additional pins may optionally be fitted to provide a variety of features not commonly found on units of this type. High efficiency enables full rating to be achieved in a small package without heat- sinking, and a high surge capability will provide for start-up and transient loads, whilst being thermally protected against sustained overload. Overload protection of the “constant current” type ensures start-up into complex load conditions. The copper case achieves efficient heat transfer and screening. The product range has been recog- nised by Underwriters Laboratory (UL) to UL 1950 for operational insulation, file number E151252 applies. W S s NOT RECOMMENDED FOR NEW DESIGNSIsIs S |
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