SKS-350 Page No. [1] [2] Current PageNo. 1

Features: Universal AC input / Full range. Protections:Short circuit/Over load/Over voltage. Forced air cooling by built-in DC ball bearing 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. 1 year warranty.

SPECIFICATION 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 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 2000ms, 50ms, 20ms at full load INPUT VOLTAGE RANGE 90 ~ 132VAC / 176 ~ 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 (150 ~ 200% rated output power for S-100-7.5 only) 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 55 FAN ON, 45 FAN OFF, 80 output shutdown (5 ~ 7.5V) RTH3 65 FAN ON, 55 FAN OFF, 80 output shutdown (12 ~ 15V) RTH3 70 FAN ON, 60 FAN OFF, 85 output shutdown (24 ~ 48V) ENVIRONMENT WORKING TEMP.,HUMIDITY -10 ~ +50℃ (Refer to output load derating curve) STORAGE TEMP., HUMIDITY -20 ~ +85℃, 10 ~ 95% RH TEMP. COEFFICIENT ±0.03%/℃ (0 ~ 50℃) 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 (25℃) DIMENSION 215*115*50mm (L*W*H) PACKING 1.15Kgs/pcs, 12pcs/13.8Kgs/0.98CUFT NOTE 1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25 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.