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18V DC Power Supply For Aiphone



General
Weight: 295.5g
Automatic recovery when removal of protect condition



Input
Rated input voltage: 100-240V AC
Vibration input voltage range: 90-264V AC
Rated input frequency: 60/50Hz
Vibration Rate input frequency: 63/47Hz
AC input Rated current: 1A Max .@100V AC
AC input Max power(No load): 0.3W Max .@230V AC
Inrush Current: 30A Max .@100VAC cool start
60A Max .@230VAC cool start
Leakage current: 0.25mA Max



Output Characteristics
Rating output voltage: 18V
Rating output current: 2A
Min. load current 0A
Output no load voltage: 18V5%
Output load voltage: 18V5%
Output ripple & noise: 200mV



General Characteristics
Max output power: 36Watts
Efficiency measurement: 84%(min.)@full load & input 230VAC,Output set to18V/2A.
For production testing: 84%(min.)@full load & input 115VAC,Output set to18V/2A.
Efficiency: 84.78%(Min.) at 115Vac 60Hz and 230Vac 50Hz input, and 25%, 50%,75%, 100% of full load after 20minutes warn-up.
Short circuit protection: No damage when output is shorted to GND. And after short circuit , auto restart .
Overshoot/Undershoot : 18V10%
Switching Frequency: 60 KHz Typical
Any protect condition shall cause no damage and no component fail.



Environmental
Operation temperature: 0~40C
Storage temperature: -25C to 85C
Operating relative humidity: 8% to 90%
Storage relative humidity: 5% to 96%



Reliability
MTBF: 50k hours min. @ full load at 25C ambient temperature
Burn-in: 24hrs 405C 240VAC ON/OFF cycle full load nominal line.
Altitude: Will operate properly at altitude between0 to 10000ft.
SM1820B

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