HLK-PM03 AC 100-240V to DC 3.3V 3W AC-DC Isolated Switching Power Supply Module Power Step Down Buck Regulator

Features 1 Ultra thin ultra small2 Input voltage 100 240V AC3 Low power consumption environmental protection no load loss 0 1W4 Low ripple low noise5 Good output short circuit and over current protection and self recovery6 High efficiency high power density7 Input and output isolation voltage 3000V8 100 full load aging and testing9 High reliability long life design continuous working time is more than 100 000 hours10 Meet the UL CE requirements product design to meet EMC and safety test requirements11 Moisture vibration water and dust to meet IP65 standards Basic Parameters Operating temperature 25 60 ℃Storage temperature 40 80 ℃Relative humidity 5 95 Cooling method natural coolingAtmospheric pressure 80 106 KpaAltitude 2000mVibration coefficient 10 500Hz 2G10min 1cycle60min each along X Y Z axes Electrical Characteristics Rated input voltage 90 245VacInput voltage range 110 240V ACThe maximum input current 0 2AInput surge current 10AThe maximum input voltage 270VInput low voltage efficiency Vin 110Vac output full load 69 Input high voltage efficiency Vin 2200Vac output full load 70 Long term reliability MTBF100 000HExternal fuse Recommended 1A 250VacNo load rated output voltage 3 30 1VdcFull load rated output voltage 3 30 2VdcShort time maximum output current 1200mALong time maximum output current 1000mAVoltage regulation rate 0 2 Load regulation 0 5 Output ripple and noise mVp p rat