350W Single Output Switching Power Supply S-350 Series
350W Single Output Switching Power Supply
Features:
  • AC input range selectable by switch
  • Protections: Short circuit/Over load/Over voltage
  • Forced air cooling by built-in DC fan
  • PWM control and regulated
  • Built-in cooling Fan ON-OFF control
  • 100% full load burn-in test
  • Fixed switching frequency at 25KHz
  • Low cost
SPECIFICATION:
MODEL S-350-5 S-350-7.5 S-350-12 S-350-13.5 S-350-15 S-350-24 S-350-27 S-350-48
OUTPUT DC VOLTAGE 5V 7.5V 12V 13.5V 15V 24V 27V 48V
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 (max.) Note.2 150mVp-p 150mVp-p 150mVp-p 150mVp-p 150mVp-p 150mVp-p 200mVp-p 240mVp-p
VOLTAGE ADJ. RANGE 4.5 ~ 5.6V 6 ~ 9V 10 ~ 13.2V 12 ~ 15V 13.5 ~ 18V 20 ~ 26.4V 26 ~ 32V 41 ~ 56V
VOLTAGE TOLERANCE Note.3 ±2.0% ±2.0% ±1.0% ±1.0% ±1.0% ±1.0% ±1.0% ±1.0%
LINE REGULATION ±0.5% ±0.5% ±0.5% ±0.5% ±0.5% ±0.5% ±0.5% ±0.5%
LOAD REGULATION ±1.0% ±1.0% ±0.5% ±0.5% ±0.5% ±0.5% ±0.5% ±0.5%
SETUP, RISE, HOLD TIME 200ms, 50ms, 20ms at full load
INPUT VOLTAGE RANGE 90 ~ 132VAC / 180 ~ 264VAC by switch       254 ~ 370VDC
FREQUENCY RANGE 47 ~ 63Hz
EFFICIENCY (Typ.) 73% 76% 74% 79% 78% 81% 82% 83%
AC CURRENT 6.5A/115VAC 4A/230VAC
INRUSH CURRENT (max.) 25A/115VAC 50A/230VAC
LEAKAGE CURRENT <3.5mA / 240VAC
PROTECTION OVERLOAD 105 ~ 135% rated output power 
Protection type: Hiccup mode, recovers automatically after fault condition is removed.
OVER VOLTAGE 5.75 ~ 6.75V 9.4 ~ 10.9V 13.8 ~ 16.2V 15.5 ~ 18.2V 18 ~ 21V 27.6 ~ 32.4V 33.7 ~ 39.2V 57.6 ~ 67.2V
Protection type: Hiccup mode, recovers automatically after fault condition is removed.
FUNCTION FAN CONTROL O.T.P. RTH3 ≧55ºC FAN ON, ≦45ºC FAN OFF, ≧80ºC output shutdown (5 ~ 7.5V)
RTH3 ≧65ºC FAN ON, ≦55ºC FAN OFF, ≧80ºC output shutdown (12 ~ 15V)
RTH3 ≧70ºC FAN ON, ≦60ºC FAN OFF, ≧85ºC output shutdown (24 ~ 48V)
ENVIRONMENT WORKING TEMP.,HUMIDITY -10 ~ +60ºC (Refer to output load derating curve)
WORKING HUMIDITY 20 ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY -20 ~ +85ºC, 10 ~ 95% RH
TEMP. COEFFICIENT ±0.03%/ºC (0 ~ 50ºC)
VIBRATION 10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes
SAFETY & EMC WITHSTAND VOLTAGE I/P-O/P:1.5KVAC I/P-FG:1.5KVAC O/P-FG:0.5KVAC
ISOLATION RESISTANCE I/P-O/P, I/P-FG, O/P-FG:100M Ohms/500VDC
OTHERS MTBF 234.3K hrs min. MIL-HDBK-217F (25ºC)
DIMENSION 215*115*50mm (L*W*H)
PACKING 0.929Kgs/pcs, 12pcs/12.58Kgs/0.0263CMB
NOTE 1.All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25ºC of ambient temperature.
2.Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor.
3.Tolerance: includes set up tolerance, line regulation and load regulation.