NPH25S2412IC

NPH25S Series www.murata-pss.com IsIsolaIs ted 25W Single Output DC/DC ConvertersW S SELECTION GUIDE Nominal Input 2 Current Limit MTTF Recommended 1 Voltage Order Code 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 FEATURES 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 RoHS compliant NPH25S2412EiC 24 12.1 2.1 2.5 3.7 86 291 UEI30-120-Q48N-C High efciency to 89% NPH25S2412iC 24 12.1 2.1 2.5 3.7 86 291 UEI30-120-Q48N-C 3 NPH25S2415EiC 24 15.1 1.7 2.0 3.0 87 290 UEI30-150-Q48N-C Power density up to 1.78W/cm NPH25S2415iC 24 15.1 1.7 2.0 3.0 87 290 UEI30-150-Q48N-C UL94 V-0 package material Obsolete Industry standard pinout NPH25S4803EiC 48 3.4 7.3 7.5 11.0 83 369 UEI25-033-D48P-C UL 1950 recognized 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 Non latching current limit NPH25S4805iC 48 5.1 5.0 5.0 7.5 85 366 UEI25-050-D48P-C Constant 350kHz frequency 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 1.5kV input to output isolation NPH25S4815EiC 48 15.1 1.7 2.0 3.0 89 366 Contact Murata Versatile control options NPH25S4815iC 48 15.1 1.7 2.0 3.0 89 366 Contact Murata Continuous rating to 30W at 60C without heatsink INPUT CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units Operation to zero load Continuous operation, 24V input types 18 24 36 Voltage range V Protected against load faults Continuous operation, 48V input types 36 48 75 Internal over temperature protection OUTPUT CHARACTERISTICS Uses no electrolytic capacitors Parameter Conditions Min. Typ. Max. Units Voltage set point error 50% load 0.5 % DESCRIPTION Case temperature -40C to 110C Overall voltage error 2.5 % Load 0% - 100%, Input specied range The NPH25S series of DC/DC converters combines ease of application with versatility. The pin pattern Temperature coefcient of 250 ppmC is based on the popular industry standard, but two output voltage (slope) additional pins may optionally be tted to provide Deviation of output voltage Temperature MIN-MAX 0.5 1 % a variety of features not commonly found on units Line regulation Operating voltage range, 50% load 0.1 % of this type. High efciency enables full rating to Load Regulation 0% - 100% rated load 0.5 be achieved in a small package without heat- Ripple rms 70 mV sinking, and a high surge capability will provide for start-up and transient loads, whilst being ISOLATION CHARACTERISTICS thermally protected against sustained overload. Parameter Conditions Min. Typ. Max. Units Overload protection of the constant current type Isolation test voltage Flash tested for 1 second 1500 VDC ensures start-up into complex load conditions. The Resistance VISO = 500VDC 1 G copper case achieves efcient heat transfer and screening. The product range has been recog- ABSOLUTE MAXIMUM RATINGS nised by Underwriters Laboratory (UL) to UL 1950 3 Input voltage, 24V input types -0.5V to 40V for operational insulation, le number E151252 3 Input voltage, 48V input types -0.5V to 80V applies. 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 tted. For full details go to 2. Calculated using MIL-HDBK-217F with nominal input voltage at full load. www.murata-ps.com/rohs 3. Absolute maximum value for 30 seconds. Prolonged operation may damage the product. All specications typical at TA=25C, nominal input voltage and rated output current unless otherwise specied. www.murata-ps.com/support KDC NPH25S.H01 Page 1 of 8 NOT RECOMMENDED FOR NEW DESIGNSS Output Voltage Output Current EfciencyNPH25S Series Isolated 25W 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 Not operating -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 50 ms cation 1 Synchronisation Specied drive signal 320 440 kHz kHz Switching frequency 330 350 395 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 UL 1950 recognition: Max. permissable loads for a given ambient temperature for any NPH25S model. Temperature (C) Power (W) Temperature (C) Power (W) 40 25.0 80 13.9 50 22.2 85 12.5 60 19.4 90 11.1 70 16.6 Max. power rating with case temperature maintained by external means (e.g. forced air cooling). Case Temperature Part Number Units 100C 105C 110C NPH25S2403XXX 24 20 15 NPH25S2405XXX 25 22 18 W NPH25S2412XXX 30 24 21 NPH25S2415XXX 30 27 22 NPH25S4803XXX 25 20 16 NPH25S4805XXX 25 24 20 W NPH25S4812XXX 30 29 24 NPH25S4815XXX 30 30 26 THERMAL PERFORMANCE 24V Input 48V Input XFS 8 P0VUQVU 1 0VUQVU 1XFS 8 P N Q FSB UVSF N Q FSB UVSF 1. Optional - where tted. www.murata-ps.com/support KDC NPH25S.H01 Page 2 of 8 5F 5F