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NPH10S Datasheet(PDF) 1 Page - C&D Technologies |
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NPH10S Datasheet(HTML) 1 Page - C&D Technologies |
1 / 2 page NPH10S SERIES Isolated 10W Single Output DC-DC Converters www.cdpoweronline.com SELECTION GUIDE FEATURES ■ High Efficiency to 86% ■ Power Density up to 1.5kW/L (24W/in3 ) ■ 1.5kV Input to Output Isolation ■ Industry Standard Pinout ■ Surge Rating to 12W ■ Non Latching Current Limit ■ Fixed Frequency ■ Versatile Control Options ■ Continuous Rating to 10W at 72°C Without Heatsink ■ Operation to Zero Load ■ Protected Against Load Faults ■ Internal Over Temperature Protection ■ Uses No Electrolytic Capacitors ■ UL 94V-0 Package Materials DESCRIPTION The NPH10S 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 heatsinking. Thermally protected against sustained overload. The copper case achieves efficient heat transfer and screening. The product range has been recognised by Underwriters Laboratory (UL) to UL 1950 for operational insulation, file number E179522 applies. Nominal Output Output Current Max Load Input Voltage Voltage Current Limit2 (Typ) Efficiency Capacitance Order Code1 (V) (V) (A) (A) (%) (µF) NPH10S2403i 24 3.4 2.94 4.5 79 470 NPH10S2405i 24 5.1 1.96 3.0 83 470 NPH10S2412i 24 12.1 0.83 1.2 86 100 NPH10S2415i 24 15.1 0.67 1.1 86 47 NPH10S4803i 48 3.4 2.94 4.1 80 470 NPH10S4805i 48 5.1 1.96 2.8 83 470 NPH10S4812i 48 12.1 0.83 1.2 86 56 NPH10S4815i 48 15.1 0.67 1.0 87 22 Parameter Conditions MIN NOM MAX Units Voltage Range Continuous operation, 24V input types 18 24 36 V Continuous operation, 48V input types 3 36 48 75 V Parameter Conditions MIN TYP MAX Units Voltage Set 50% load after 30 mins at nominal 0.5 % Point Error supply voltage Overall Case temperature –40°C to 110°C Voltage Error Load 0% - 100% 1 2.5 % Input specified range Temperature Coefficient Over any 10°C span within the of Output Voltage specified temperature range 50 250 ppm°C (slope) Deviation of Output Voltage Specified over temperature MIN-MAX 0.5 1 % Line Regulation Operating voltage range, 50% load 0.05 0.1 % Load Regulation 0% - 100% rated load4 0.5 % Ripple rms 70 mV Input voltage, 24V input types –0.5V to 40V6 Input voltage, 48V input types –0.5V to 80V6 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 INPUT CHARACTERISTICS OUTPUT CHARACTERISTICS Parameter Conditions MIN TYP MAX Units Voltage Trimming At rated load, ±10 % Range Trim control at either output Remote Switch Input5 Not operating -15 0 1.5 V (voltage relative to input negative) Operating, open circuit voltage 9 10 11 Start Delay Time from application of valid input voltage to output being in specification 25 mS Synchronisation5 Specified drive signal 320 440 kHz Switching Frequency 330 350 395 kHz CONTROL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS ISOLATION CHARACTERISTICS Parameter Conditions MIN TYP MAX Units Isolation Voltage Flash tested for 1 second 1500 VDC Resistance Viso=500VDC 1 GΩ Capacitance 3.3V and 5V output 50 pF 12V and 15V output 90 1 If optional pins ADJ and SS are required (as indicated in the pin connections diagram) prefix the ending “i” with an E when ordering, e.g. NPH10S4803Ei. 2Current is quoted when output is 95% of regulated voltage. 3 For applications requiring UL1950 recognition, input voltage must not exceed 60VDC. 4A minimum load of 10% of rating is recommended for typical applications ; see application notes. 5 Optional - Where fitted. 6 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. |
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