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D-XNM Scheda tecnica(PDF) 2 Page - Microdc power Technology Co., Ltd |
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D-XNM Scheda tecnica(HTML) 2 Page - Microdc power Technology Co., Ltd |
2 / 3 page D-X D-XN NM M Series Series http://www.microdc.cn Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646 Page 2 of 3 ISOLATION ISOLATION SPECIFICATIONS SPECIFICATIONS Item Test Conditions Min. Typ. Max. Units Isolation voltage (Vin/Vout) Tested for 1 minute and 1mA max 1000 VDC Isolation voltage (Vo1/Vo2) Tested for 1 minute and 1mA max 1000 VDC Isolation resistance (Vin/Vout) Test at 500VDC 1000 MΩ Isolation resistance (Vo1/Vo2) Test at 500VDC 1000 MΩ Isolation capacitance(Vin/Vout) 30 pF Isolation capacitance(Vo1/Vo2) 30 pF APPLICATION APPLICATION NOTE NOTE Requirement on output load To ensure this module can operate efficiently and reliably, During operation, the minimum output load could not be less than 10% of the full load. If the actual output power is very small, please connect a resistor with proper resistance at the output end in parallel to increase the load , or use our company products with a lower rated output power. Recommended circuit If you want to further decrease the input/output ripple , an "LC" filtering network may be connected to the input and output ends of the DC/DC converter, see (Figure 1). It should also be noted that the inductance and the frequency of the "LC" filtering network should be staggered with the DC/DC frequency to avoid mutual interference. However , the capacitance of the output filter capacitor must be proper. If the capacitance is too big,a startup problem might arise. For every channel of output , provided the safe and reliable operation is ensured , the recommended capacitance of its filter capacitor sees (Table 1). Output Voltage Regulation and Over-voltage Protection Circuit The simplest device for output voltage regulation, over-voltage and over-current protection is a linear voltage regulator with overheat protection that is connected to the input or output end in series (Figure 2). Overload Protection Under normal operating conditions, the output circuit of these products has no protection against overload.The simplest method is to connect a self-recovery fuse in series at the input end or add a circuit breaker to the circuit. No parallel connection or plug and play TYPICAL TYPICAL CHARACTERISTICS CHARACTERISTICS RECOMMENDED RECOMMENDED CIRCUIT CIRCUIT It's not recommended to connect any external capacitor in the application field with less than 0.5 watt output. OUTPUT OUTPUT SPECIFICATIONS SPECIFICATIONS Item Test Conditions Min. Typ. Max. Units Output power 0.1 1 W Line regulation For Vin change of 1% ± 1.5 % Load regulation 10% to 100% load (3.3V output) 15 20 % Load regulation 10% to 100% load(5V output) 12.8 15 % Output voltage accuracy See tolerance envelope graph Temperature drift 100% full load ± 0.03 %/℃ Ripple & Noise* 20MHz Bandwidth 75 100 mVp-p Switching frequency Full load, nominal input 130 KHz *Test ripple and noise by "Parallel cable"method. See detailed operation instructions at Testing of Power Converter section, application notes. |
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