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NCX10S48033 Datasheet(PDF) 2 Page - C&D Technologies |
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NCX10S48033 Datasheet(HTML) 2 Page - C&D Technologies |
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2 / 5 page  ENVIRONMENTAL CHARACTERISTICS APPLICATION NOTES Parameter Conditions MIN TYP MAX Units Substrate Temp. Full load –40 125 °C Storage Absolute MAX internal temperature –40 125 °C Thermal Protection Operates at substrate temperature 150 °C In a typical application, the NCX10S series of DC/DC converters require nothing more than a dc supply of correct polarity and voltage to generate its specified output. These notes are intended to offer help in the use of other facilities offered by these converters, and to provide assistance in achieving their full potential. VOLTAGE TRIMMING ISOLATION CHARACTERISTICS Parameter Conditions MIN TYP MAX Units Isolation Voltage Flash tested for 1 second 1000 VDC Resistance VISO=500VDC 1 GΩ THERMAL PERFORMANCE 11 10 9 8 7 6 5 4 -40 10 60 110 Ambient Temperature (°C) NCX10S24033 Still Air 100lfm 200lfm 300lfm 400lfm 11 10 9 8 7 6 5 4 -40 10 60 110 Ambient Temperature (°C) NCX10S24050 Still Air 100lfm 200lfm 300lfm 11 10 9 8 7 6 5 4 -40 10 60 110 Ambient Temperature (°C) NCX10S48033 Still Air 100lfm 200lfm 11 10 9 8 7 6 5 4 -40 10 60 110 Ambient Temperature (°C) NCX10S48050 Still Air 100lfm UL 60950 RECOGNITION (Maximum permissable load in still air) Part Number -40°C 25°C 70°C 75°C 80°C 85°C 90°C Units NCX10S24033 10.0 10.0 10.0 9.0 7.9 6.5 5.0 NCX10S24050 10.0 10.0 10.0 10.0 8.9 7.2 5.2 W NCX10S48033 10.0 10.0 10.0 9.5 8.4 7.1 5.5 NCX10S48050 10.0 10.0 10.0 10.0 10.0 9.6 8.0 NCX10S SERIES Isolated 10W Single Output DC/DC Converters DC DC +V IN –V IN +V OUT ADJ 100KΩ 0V Figure 1: Voltage Trimming The trimming (adjust) input on the secondary side allows output voltage adjustment within the capability of the power circuit. When open circuit, the trimming pin ADJ operates at near half the output voltage. A basic trimming arrangement consists of a potentiometer of 10kΩ to 100kΩ connected across the output, with its wiper connected to the ADJ pin (see figure 1). Dependent on model, the output will be reduced by about 15% when the wiper is at the positive output, or increased by about 24% when at the negative rail. Regulation will be maintained to at least 10% adjustment either way. If finer adjustment is required, a resistor may be included between the wiper and the pin. For example, 62kΩ will restrict a 3.3V model to ±5% adjustment range. The corresponding values for the 5V model is 56kΩ. |
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