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

Features: 1. Ultra-thin, ultra-small 2. Input voltage: 100-240V AC 3. Low power consumption, environmental protection, no-load loss <0.1W 4. Low ripple, low noise 5. Good output short-circuit and over-current protection and self-recovery 6. High efficiency, high power density 7. Input and output isolation voltage 3000V 8. 100% full load aging and testing 9. High reliability, long life design, continuous working time is more than 100,000 hours 10. Meet the UL / CE requirements: product design to meet EMC and safety test requirements 11. Moisture, vibration, water and dust to meet IP65 standards Basic Parameters: Operating temperature: -25 ~ 60 a Storage temperature: -40 ~ 80 a Relative humidity: 5 ~ 95% Cooling method: natural cooling Atmospheric pressure: 80 ~ 106 Kpa Altitude: a 2000m Vibration coefficient: 10 ~ 500Hz, 2G10min / 1cycle 60min.each along X.Y, Z axes Electrical Characteristics: Rated input voltage: 90 ~ 245Vac Input voltage range: 110-240V AC The maximum input current: a 0.2A Input surge current: a10A The maximum input voltage: a 270V Input low voltage efficiency: Vin = 110Vac, output full load a69% Input high voltage efficiency: Vin = 2200Vac, output full load a70% Long-term reliability: MTBF a 100,000H External fuse Recommended: 1A / 250Vac No-load rated output voltage: 3.3 &pm; 0.1Vdc Full load rated output voltage: 3.3 &pm; 0.2Vdc Short time maximum output current: a1200mA Long time maximum output current: a 1000mA Voltage regulation rate: &pm; 0.2% Load regulation: &pm; 0.5% Output ripple and noise (mVp-p): rated input voltage, full output, with 20MHZ bandwidth oscilloscope, the load side and 10uf and 0.1uf capacitance test Switch overshoot amplitude: (rated input voltage, output plus 10%) a 5% V0 Output over-current protection: output maximum load of 110 ~ 150% Output short-circuit protection: Direct output when the normal short-circuit, short-circuit automatically removed to restore normal work (without damage to the whole machine) Package Included: 1 x HLK-PM03 AC 100-240V to DC 3.3V 3W AC-DC Isolated Switching Power Supply Module