SKA40 40W DC-DC Regulated Single Output Converter series Features : 2:1 wide input range High efficiency up to 92% 1500VDC I/O isolation Built-in EMI filter Built-in remote ON / OFF control Built-in remote sense Trimming ouput 10% Protections: Short circuit / Overload / Over voltage Cooling by free air convection Six-sided shield metal case 100% burn-in test Low cost / High reliability Output 3.3V/9V available Approvals: FCC / CE 2 years warranty SPECIFICATION ORDER NO. SKA40A-05 SKA40B-05 SKA40C-05 SKA40A-12 SKA40B-12 SKA40C-12 SKA40A-15 SKA40B-15 SKA40C-15 DC VOLTAGE 5V 12V CURRENT RANGE 0.7 ~ 7A 0.3 ~ 3.33A 0.26 ~ 2.67A RATED POWER 35W 40W 40W 80mVp-p 100mVp-p RIPPLE & NOISE (max.) Note.2 60mVp-p OUTPUT LINE REGULATION Note.3 0.5% LOAD REGULATION Note.4 0.5% 15V 2.0% VOLTAGE ACCURACY 200KHz min. SWITCHING FREQUENCY EXTERNAL CAPACITANCE LOAD (max.) 1000uF EXTERNAL TRIM Adj. RANGE(Typ.) 10% A: 9 ~ 18VDC B: 18 ~ 36VDC C: 36 ~ 75VDC VOLTAGE RANGE 92% 91% 90% 91% EFFICIENCY (Typ.) DC CURRENT INPUT (Note. 5) A: 3850mA B: 1900mA C: 1000mA No load A: 150mA C: 65mA B: 100mA 88.5% 90% FILTER Pi network REMOTE CONTROL PROTECTION Power ON : R.C ~ -Vin > 2.5VDC or open circuit ; Power OFF : R.C ~ -Vin < 0.5VDC or short Fuse recommended 90.5% 90% 110% ~ 180% rated output power OVER CURRENT PROTECTION 90% Full load Protection type : Hiccup mode, recovers automatically after fault condition is removed All output equipped with short circuit SHORT CIRCUIT Protection type : Hiccup mode, recovers automatically after fault condition is removed OVER VOLTAGE Protection type : Shut off O/P voltage, clamp by TVS diode WORKING TEMP. WORKING HUMIDITY -40 ~ +80 (Refer to output load derating curve) 20% ~ 90% RH non-condensing ENVIRONMENT STORAGE TEMP., HUMIDITY -55 ~ +105 , 10 ~ 95% RH 0.03% / (0 ~ 50 ) TEMP. COEFFICIENT OTHERS 10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes I/P-O/P:1.5KVDC I/P-O/P: 100M Ohms / 500VDC / 25 / 70% RH Compliance to EN55022 Class A, FCC part 15 Class A Compliance to EN61000-4-2,3,4,5,6,8, light industry level, criteria A EMS IMMUNITY DIMENSION 50.8*50.8*11.0 mm or 2"*2"*0.43" inch (L*W*H) WEIGHT 60g Unit:mm(inch) 50.8 (2.00) 3~3.5 (0.12~0.14) 7.62 5.08 7.62 5.08 (0.3) (0.2) (0.3) (0.2) 45.7 (1.8) 50.8 (.200) 4 56 11 (0.43) 5.08 (0.2) Pin No. Output 1 2 3 4 Pin No. Output 5 6 7 8 R.C -Vin +Vin -R.S +R.S +Vout -Vout TRIM External Output Trimming 2 -Vin +Vout 10.16 12.7 (0.4) (0.5) -Vout 1.0 50 6 1 7 (0.04 0.005) 500K LOAD VR -40 0 25 50 60 80 100 VR 3 +Vin TRIM 8 Ta ( UP NOTE 100 78 BOTTOM VIEW 3 2 Derating Curve Pin Configuration Mechanical Specification LOAD (%) VIBRATION WITHSTAND VOLTAGE SAFETY & ISOLATION RESISTANCE EMC EMI CONDUCTION & RADIATION DOWN ) TRIMPOT 1.All parameters are specified at normal input, rated load, 25 70% RH ambient. 2.Ripple & noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1uf & 47uf capacitor. 3.Line regulation is measured from low line to high line at rated load. 4.Load regulation is measured from 10% to 100% rated load. 5.Please prevent the converter from operating in overload or short circuit condition for more than 30 seconds. File Name:SKA40-SPEC 2010-03-31