350W Single Output Switching Power Supply (SKS-350)  
Features:  
High efficiency, high reliability, low cost
Universal AC input / full range
100% full load burn-in test
Protections: Short circuit/ Over load/ Over voltage
PWM control and regulated
Forced air cooling by built in DC fan
Built-in cooling Fan ON-OFF control
Fixed switching frequency at 25KHz
1 year warranty
Dimensions: 215*115*50mm£¨L*W*H£©
 
Data

   Short Form Datasheet
  CE Cerfiticate
 
SPECIFICATIONS  
   
INPUT  
Voltage Range 90¡«132 VAC/180¡«264VAC47¡«63 Hz£»selected by switch 254¡«370VDC
AC Current 6.5A/115 V 4A/ 230 V
Efficiency 73%(SKS-350-5);     76%(SKS-350-7.5);   74%(SKS-350-12);    79%(SKS-350-13.5);
78%(SKS-350-15);   81%(SKS-350-24);    82%(SKS-350-27);    83%(SKS-350-48);
Inrush Current Cold start 50A/115V50A/230V
Leakage Current £¼3.5 mA/240VAC
   
OUTPUT See Datasheet
   
PROTECTION  
Over Load 105%¡«135%
  Protection type: Fold back current limiting, recovers automatically after fault condition is removed.
Over Voltage 115%¡«135%
  Protection type: hiccup mode, recovers automatically after fault condition is removed.
Over Temp. RT3¡Ý55¡æ FAN ON£¬¡Ü45¡æ FAN OFF£¬¡Ý80¡æ output shutdown (5~7.5V)
  RT3¡Ý65¡æ FAN ON£¬¡Ü55¡æ FAN OFF£¬¡Ý80¡æ output shutdown (12~15V)
  RT3¡Ý70¡æ FAN ON£¬¡Ü60¡æ FAN OFF£¬¡Ý85¡æ output shutdown (24~48V)
   
ENVIRONMENT  
Working Temp., Humidity -10¡æ¡«+50¡æ£»20%¡«90 %RH
Storage Temp., Humidity -20¡æ¡«+85¡æ£»10%¡«95 %RH
Vibration 10¡«500Hz£¬2G 10min./1cycle£¬period for 60min, each along X, Y, Z axes
   
SAFETY  
Withstand Voltage I/P-O/P: 1.5KVACI/P-FG: 1.5KVACO/P-FG: 0.5KVAC
Isolation Resistance I/P-O/P, I/P-FG, O/P-FG: 100M Ohms/500VDC
   
STANDARD  
Safety Standard Design refer to UL1950
EMC Standard Design refer to EN55022£¬EN55024£¬EN61000
   
OTHERS  
Weight 1.07Kg
Packing 12pcs/13.5Kg/0.98CUFT
   
NOTE 1.All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25¡æ of ambient temperature.
  2.Ripple & noise are measured at 20MHz of bandwidth by using a 12¡åtwisted pair-wire terminated with a 0.1¦Ì &47¦Ì
   parallel capacitor.
  3.Tolerance: includes set up tolerance, line regulation and load regulation
   
OUTPUT  
Model SKS-350-5 SKS-350-7.5 SKS-350-12 SKS-350-13.5 SKS-350-15 SKS-350-24 SKS-350-27 SKS-350-48
DC Voltage 5V 7.5V 12V 13.5V 15V 24V 27V 48V
Voltage Tolerance ¡À2% ¡À2% ¡À1% ¡À1% ¡À1% ¡À1% ¡À1% ¡À1%
Rated Current 50A 40A 29A 25.8A 23.2A 14.6A 13A 7.3A
Current Range 0£­50A 0£­40A 0£­29A 0£­25.8A 0£­23.2A 0£­14.6A 0£­13A 0£­7.3A
Rated Power 250W 300W 348W 348.3W 348W 350.4W 351W 350.4W
Ripple & Noise 150 mVp-p 150 mVp-p 150 mVp-p 150 mVp-p 150 mVp-p 150 mVp-p 200 mVp-p 240 mVp-p
DC Adjustment Range -10%,+12% ¡À20% -16%,+10% -12%,+11% -10%,+20% -16%,10% -4%,+18% -15%,+17%
Setup,Rise,Hold Time 200ms,50ms,20ms at full load