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3.3V/5V AC/DC Converter 1a small switching step-up DC/DC converter circuit
Items | Technical Parameters | Units | Notes |
Working temperature | -25—+60 | ℃ | |
Storage temperature | -40—+80 | ℃ | |
Relative humidity | 5—95 | % | |
Thermal methods | Natural cooling | ||
Atmospheric pressure | 80—106 | Kpa | |
Altitude | ≤2000 | m | |
Vibration | Vibration coefficient 10~500Hz,2G10min./1cycle, 60min.each along
X,Y,Z axes | Meets requirements for secondary road transportation |
The 3W ultra-small series module power supply is a small-volume, high-efficiency AC DC power odule supply.
It has the advantages of global input voltage range, low temperature rise, low power consumption,high efficiency, high reliability and high safety isolation.
It has been widely used in smart home, automation control, communications equipment, instrumentation and other industries.
| Item Name | Technical Criteria | Unit |
| Rated input voltage | 100-240 | VAc |
| Input voltage range | 90-264 | VAc |
| Maximum input current | ≤0.2 | A |
| Input current surge | ; ≤10 | A |
| maximum input voltage | ≤270 | VAc |
| Enter slow start | ≤50 | mS |
| Input Low Voltage Efficiency | Vin=110VAc,Output full-load≥69 | % |
| Input High Voltage Efficiency | Vin=220VAc,output full-load≥70 | % |
| Long-term reliability | MTBF≥100,000 | h |
| Load rated output voltage | +3.3±0.1 | VDc |
| Full rated output voltage | +3.3±0.2 | VDc |
| Short-term maximum output current | ≥1200 | mA |
| The maximum output current for a long time | ≥1000 | mA |
| Voltage Regulation | ±0.2 | % |
| Load Regulation | ±0.5 | % |
| Output ripple and noise (mVp-p) | ≤70 Rated input voltage, full load. Using 20MHz of bandwidth, The load side 10uF and 0.1uF capacitor to be tested. | mV |
| Switch overshoot amplitude | (Rated input voltage and output load plus 10%)≤5 | %VO |
| Output over-current protection | 150-200% of the output maximum load | A |
| Output short circuit protection | Direct short circuit at the normal output, automatically resume normal operation after a short circuit removal |
| Items | Technical Parameters | Units | Notes |
| No-load rated output voltage | 3.3±0.1 | Vdc | |
| Full-load tated output voltage | 3.3±0.2 | Vdc | |
| Short time maximum output current | ≥1100 | mA | |
| Long time maximum output current | 1000 | mA | |
| Voltage regulation | ±0.2 | % | |
| Load regulation | ±0.5 | % | |
| Input low voltage efficiency | Vin=115Vac, Output full load≥72 | % | |
| Input high voltage efficiency | Vin=230Vac, Output full load≥72 | % | |
| Output ripple and noise (mVp-p) | ≤100 Rated input voltage,output full load. With 20MHz bandwidth oscilloscope, Load side 10uF and 0.1uF capacitance test | mV | |
| Switching on/off overshoot amplitude | (Rated input voltage, output plus 10% load)≤5 | %Vo | |
| Output over-current protection | Output maximum load 110-150% | A | |
| Output short circuit protection | Direct short circuit in normal output and automatic return to nomal operation after removal of short circuit | No-damage to the whole device |
| Model NO. | Size (mm) | Weight (g) | Output Power (w) | Output Voltage (v) | Output Current (mA) | Efficiency %(TYP) |
| HLK-PM01 | 34*20*15 | 20g | 3W | 5 | 600 | 72 |
| HLK-PM03 | 3.3 | 1000 | ||||
| HLK-PM09 | 9 | 330 | ||||
| HLK-PM12 | 12 | 250 | ||||
| HLK-PM24 | 24 | 125 |
