NES-350 350W Single Output Switching Power Supply series Features : AC input range selectable by switch Protections: Short circuit / Overload / Over voltage/ Over temperature Forced air cooling by built-in DC fan Withstand 300vac surge input for 5 second Built-in cooling Fan ON-OFF control Built-in constant current limiting circuit 100% full load burn-in test LED indicator for power on Fixed switching frequency at 90KHz Low cost,high reliability 2 years warranty SPECIFICATION NES-350-3.3 NES-350-5 NES-350-7.5 NES-350-12 NES-350-15 NES-350-24 NES-350-27 NES-350-36 DC VOLTAGE 3.3V 5V 7.5V 12V 15V 24V 27V 36V RATED CURRENT 60A 60A 46A 29A 23.2A 14.6A 13A 9.7A 7.3A CURRENT RANGE 0 ~ 60A 0 ~ 60A 0 ~ 46A 0 ~ 29A 0 ~ 23.2A 0 ~ 14.6A 0 ~ 13A 0 ~ 9.7A 0 ~ 7.3A RATED POWER 198W MODEL OUTPUT 300W 345W 348W 348W 350.4W 351W 349.2W 350.4W 150mVp-p 150mVp-p 150mVp-p 150mVp-p 150mVp-p 200mVp-p 240mVp-p 240mVp-p VOLTAGE ADJ. RANGE 4.5 ~ 5.6V 2.0% 6 ~ 9V 2.0% 10 ~ 13.5V 1.5% 13.5 ~ 18V 1.0% 20 ~ 26.4V 1.0% 26 ~ 32V 1.0% 32~40V 1.0% 41 ~ 56V 1.0% 0.5% 0.5% 0.5% 87.5% 87.5% 2.97 ~ 3.7V 4.5% LINE REGULATION 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% LOAD REGULATION 2.5% 2.0% 2.0% 1.0% 0.5% 0.5% 0.5% SETUP, RISE TIME 1000ms, 50ms/230VAC HOLD UP TIME (Typ.) 20ms/230VAC VOLTAGE RANGE 90 ~ 132VAC / 180 ~ 264VAC by switch FREQUENCY RANGE 47 ~ 63Hz EFFICIENCY (Typ.) 74% AC CURRENT (Typ.) INRUSH CURRENT (Typ.) 7A/115VAC LEAKAGE CURRENT OVER LOAD PROTECTION OVER VOLTAGE OVER TEMPERATURE FUNCTION 48V RIPPLE & NOISE (max.) Note.2 150mVp-p VOLTAGE TOLERANCE Note.3 INPUT NES-350-48 FAN ON/OFF CONTROL(Typ.) WORKING TEMP. 0.5% 1000ms,50ms/115VAC at full load 16ms/115VAC at full load 254 ~ 370VDC 83% 80% 78% 84% 87% 88% 4A/230VAC 40A/115VAC 60A/230VAC <3.5mA / 240VAC 105 ~ 135% rated output power Protection type : Constant current limiting, recovers automatically after fault condition is removed 9.4 ~ 11.25V 13.8 ~ 16.2V 18 ~ 21V 5.75 ~ 7.5V 3.8 ~ 4.6V Protection type :Shut down O/P voltage, re-power on to recover 80 5 (3.3~7.5V) 75 5 27.6 ~ 32.4V 33.7 ~ 39.2V 41.4~46.8V 57.6 ~ 67.2V (12~48V) (TSW1) Detect on case Protection type : Shut down O/P voltage, recovers automatically after temperature goes down RTH2 50 FAN ON, 45 FAN OFF (3.3 ~ 7.5V) RTH2 55 FAN ON, 50 FAN OFF (12 ~ 48V) -20 ~ +60 (Refer to output load derating curve) WORKING HUMIDITY ENVIRONMENT STORAGE TEMP., HUMIDITY TEMP. COEFFICIENT VIBRATION 20 ~ 90% RH non-condensing SAFETY STANDARDS SAFETY & WITHSTAND VOLTAGE ISOLATION RESISTANCE EMC UL60950-1 approved -20 ~ +85 , 10 ~ 95% RH 0.03%/ (0 ~ 50 10 ~ 500Hz, 3G 10min./1cycle, 60min. each along X, Y, Z axes I/P-O/P:3KVAC I/P-FG:1.5KVAC O/P-FG:0.5KVAC I/P-O/P, I/P-FG, O/P-FG:100M Ohms/500VDC / 25 / 70% RH EMI CONDUCTION & RADIATION Design refer to EN55022 (CISPR22) Class A Design refer to EN61000-4-2, 3, 4, 5, 6, 8,11, ENV50204, EN55024, light industry level, criteria A EMS IMMUNITY OTHERS MTBF DIMENSION PACKING NOTE 234.3K hrs min. MIL-HDBK-217F (25 215*115*50mm (L*W*H) 1.07Kg; 12pcs/13.5Kg/0.92CUFT ) 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. File Name:NES-350-SPEC 2011-02-21 NES-350 350W Single Output Switching Power Supply Mechanical Specification Case No. 912C series Unit:mm 177.5 27.5 150 32.5 117.5 47.5 36.5 LED +V ADJ. 9 8 5 115 95 50 6 9.5 135 7 4-M4 L=5mm 3 8 32.5 5-M3 L=3mm 2 50.5 4 16 10 1 Terminal Pin No. assignment : Pin No. 1 2 3 15 Pin No. Assignment 4~6 DC OUTPUT -V 7~9 DC OUTPUT +V Assignment AC/L AC/N FG 6cm FAN 215 150 32.5 50 CL 25 12 max. 6-M4 L=6mm Block Diagram RECTIFIERS & FILTER 115/230V(SW) fosc : 90KHz FAN FAN ON/OFF CONTROL EMI FILTER I/P RECTIFIERS & FILTER POWER SWITCHING RECTIFIERS +V -V O.V.P. FG O.L.P. PWM CONTROL O.T.P. Derating Curve DETECTION CIRCUIT Static Characteristics 100 100 90 80 70 LOAD (%) LOAD (%) 60 40 20 -20 180 ~ 264VAC 90 ~ 132VAC 80 60 50 40 -10 0 10 20 30 40 AMBIENT TEMPERATURE ( ) 50 60 (HORIZONTAL) 90 180 95 190 100 105 200 210 115 230 132 264 INPUT VOLTAGE (VAC) 60Hz File Name:NES-350-SPEC 2011-02-21