C.N-1818 English specification.doc

SHEN ZHEN XIAOCAINIAO ELETRONIC CO.,LTDADD: 1803/B, Seven Star Commercial Plaza,MeiLong Road,Longhua Distrist, Shenzhen citySPECIFICATION MODEL NO.: C.N-1818 REV：X1.0CUSTOMER: DESCRIPTION: Input:110240V AC 50/60Hz Output:12VDC2A OUR MODEL NO: SAMPLE NO: DATE: APPROVAL SIGNATUREAPPROVED BYCHECKED BYTESTED BY 1. SCOPEThe C.N-1818 is a 24 Watts single outputs, universal input switching power supply, 2. Mechanical requirements2.1 Power supply Dimension Constraints88(L)* 45(W)*35(H) mm Note: height include PCB and component lead3. Electrical requirements3.1 Input AC3.1.1 Input voltage MinimumNominalMaximum100110/220240Vac3.1.2 Input FrequencyMinimumNominalMaximum475063Hz3.1.3 Input CurrentThe input current is less than 0.6A 110Vac maxload 3.1.4 Inrush CurrentThe inrush current is 50A max 110Vac, cold start / 25 / max load. And first turn on.3.1.5 Earth Leakage CurrentThe earth leakage current is less than 0.25mA 230Vac.3.2 Output voltages and loads Table.1 Signal NameVoltage (Volts)Current (A)MinTypMaxMinMax+12V11.41212.602.03.2.1 The PIN designations and color defined as follows:3.2.2 Line RegulationThe line regulation is less than 1% 3.2.3 Load RegulationThe load regulation is less than 5% of typical voltage, output voltage show at Table 1 3.2.6 Start up Time : 2 sec max at 110Vac maxload.3.3 Ripple and Noise3.3.1 Ripple and Noise required specificationTable.2 is the Ripple and Noise limitations of switching power supply under all operating conditions including the input line voltage range and over all the full load range. Please refer to section 3.3.2 for measurement methods. All measurements are peak to peak. Table.2 Ripple and Noise LimitationsSignal NameRipple / Noise (mV)+12V 1203.3.2 Measurement methodThe measuring is done by 20MHz band width limited oscilloscope and terminated each output with a 10uF capacitor in parallel with a 0.1uF capacitor3.4 Protection3.4.1 Short Circuit Protectionshort condition on DC outputs shall cause no damage to the power supply. And remove the fault condition Auto-recovery. 3.4.3 Over Current ProtectionThe Over Current Protection is between 2.5A and 3.5A , auto recovery3.5 Efficiency75% min. It will be measured at the maximum load and including all the input line voltage range. 3.6 Hold up time 8mS(min) max load, 220Vac3.7 Rise time The rise time is less than15ms while output voltage from 10% to 90%.3.8 Overshoot/ UndershootOvershoot and Undershoot is less than 5%, at maxload and all the input line voltage range3.9 Transient responseThe output voltage is less than 8% , load change at 25%50%25% or 50%75%50% , at 0.1A/us,50Hz. 3.10 Mean Time Between Failure (MTBF)The power supply shall have a combined MTBF of at least 100,000 hours(at 25/maxload) The natural life is more than 5 years.4. Environmental requirements4.1.1 Operating Temperature Operating temperature -10 to +55 Operating humidity 5% to 95% (non condensing)4.1.2 Storage Temperature -40 to 70 4.1.3 Operating Altitude Operating Altitude is less than 4000 m. 5. INTERNATIONAL STANDARDS5.1.1 Safety standardsDesigned to meet the following standards:EN60950, UL60950,5.1.2 Isolation voltage3000VAC Input to Output; The leakage current is less than 30mA of 3s5.1.3 Isolation resistance10M Input to Output; ;Test condition:500Vdc.5.2 EMC standardsDesigned to meet the following conducted & radiation limits:5.2.1 ESD Susceptibility : EN61000-4-2 Perf criteria B 8KV and 6KV 5.2.2 Radiated: EN61000-4-3 10V/m Perf criteria A5.2.3 Conducted , EN61000-4-6 3V Perf Criteria A5.2.4 EFT/Burst Immunity Test : EN61000-4-4 Perf criteria B,1KV 5/50 Tr/Th nS 5KHz5.2.5 Surge Immunity Test :EN61000-4-5 Level 4 Perf 1KV/2KV criteri