SKA20B-15

20W DC-DC Regulated Single Output Converter Features : SKA20 series 2" 1" compact size 2:1 wide input range High efficiency up to 89.5% 1500VDC I/O isolation Built-in remote ON/OFF control Built-in trimming output Built-in EMI filter Protections: Short circuit / Overload / Input and Output Over voltage Cooling by free air convection Six-sided shield metal case 100% burn-in test Low cost / High reliability Approvals: FCC / CE 2 years warranty SPECIFICATION ORDER NO. DC VOLTAGE CURRENT RANGE RATED POWER LINE REGULATION LOAD REGULATION VOLTAGE ACCURACY Note.3 Note.4 SKA20A-05 SKA20B-05 SKA20C-05 SKA20A-12 SKA20B-12 SKA20C-12 SKA20A-15 SKA20B-15 SKA20C-15 5V 400 ~ 4000mA 20W 60mVp-p 60mVp-p 0.2% 0.5% 2.0% 220uF -20 ~ +10% 88.5% 970mA 25mA 87.5% 500mA 15mA 100uF -20 ~ +10% 89% 1870mA 35mA 89.5% 950mA 25mA 88% 490mA 15mA 12V 166 ~ 1666mA 15V 133 ~ 1333mA RIPPLE & NOISE (max.) Note.2 50mVp-p OUTPUT 300KHz typ. SWITCHING FREQUENCY EXTERNAL CAPACITANCE LOAD (max.) 1000uF EXTERNAL TRIM Adj. RANGE(Typ.) 10% VOLTAGE RANGE EFFICIENCY (Typ.) INPUT DC CURRENT FILTER REMOTE CONTROL PROTECTION OVER CURRENT PROTECTION (Note. 5) A: 9 ~ 18VDC B: 18 ~ 36VDC C: 36 ~ 75VDC 88% 88.5% 87.5% 88% Full load 1910mA No load 80mA 970mA 55mA 490mA 40mA 1910mA 35mA Pi network Power ON : R.C ~ -Vin > 2.5VDC or open circuit ; Power OFF : R.C ~ -Vin < 0.5VDC or short Fuse recommended 110% ~ 180% rated output power Protection type : Hiccup mode, recovers automatically after fault condition is removed All output equipped with short circuit Protection type : Hiccup mode, recovers automatically after fault condition is removed Input(Typ.) A: >20 ~ 23VDC B: >40 ~ 43VDC C: >80 ~ 82VDC input voltage Output Protection type : Shut down o/p voltage, recovers automatically after fault condition is removed -40 ~ +85 (Refer to "Derating Curve") SHORT CIRCUIT OVER VOLTAGE 20% ~ 90% RH non-condensing ENVIRONMENT STORAGE TEMP., HUMIDITY -55 ~ +125 , 10 ~ 95% RH 0.03% / (0 ~ 50 ) TEMP. COEFFICIENT 10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes VIBRATION I/P-O/P:1.5KVDC WITHSTAND VOLTAGE I/P-O/P: 100M Ohms / 500VDC / 25 / 70% RH SAFETY & ISOLATION RESISTANCE EMC EMISSION EMC Compliance to EN55022 Class A, FCC part 15 Class A EMC IMMUNITY Compliance to EN61000-4-2,3,4,5,6,8, light industry level, criteria A OTHERS MTBF DIMENSION WEIGHT 700Khrs min. MIL-HDBK-217F(25 31.2g ) 50.8*25.4*11.2 mm or 2"*1"*0.44" inch (L*W*H) WORKING TEMP. WORKING HUMIDITY Mechanical Specification 20.4[0.80] 7.62 5.08 [0.30] [0.20] 5.8 [0.23] Pin Configuration Unit:mm(inch) Derating Curve Pin No. Output 1 2 3 +Vin -Vin +Vout Pin No. Output 4 5 6 Trim -Vout 100 20.32[0.80] 50.8[2.00] 6 2 1 BOTTOM VIEW 5 4 3 SIDE VIEW External Output Trimming 2 -Vin +Vout 3 5 LOAD VR VR 1 +Vin Trim 4 UP DOWN 20K LOAD (%) R.C 50 15.24[0.60] 10.2 [0.40] -Vout -40 0 25 50 75 85 100 Ta ( TRIMPOT ) 25.4[1.00] 11.2[0.44] NOTE 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:SKA20-SPEC 2011-09-13