ETA-USA The Power Professionals 10W Open Frame OBS-SC/WC FEATURES: In response to market demand for DISTRIBUTED POWER, ETA has developed a new DC/DC converter suitable for PCB mounting. OB-Series AC/DC Switching Power Supplies are designed and built to be installed right onto the users printed circuit board like a piece of patch-work. They are small, light in weight and cost effective. PCB Mountable Small, Light Weight High Efficiency Cost effective Output Voltage adjustable Over Voltage Protection Isolated Power Supply MODEL/CHANNEL Unit OBS05SC OBS12SC OBS15SC OBS24SC OBS22WC OBS23WC OUTPUT 5 12 15 24 Output Voltage Vdc 12 15 Output Current A 2 0.9 0.7 0.45 0.45 0.35 Voltage Tolerance mV 100 240 300 480 240 300 Static Line Regulation max. mV 25 60 75 120 60 75 Static Load Regulation max. mV 25 60 75 120 1500 1500 Drift max. mV 40 75 90 135 75 90 Dynamic Line Regulation mV 100 100 100 200 300 300 Dynamic Load Regulation mV 200 400 300 500 300 300 Recovery Time mS 10mS(typical) Temperature Coefficient mV 0.03%/(maximum) Ripple and Noise mVp 100 Rise Time mS 10mS(typical) at rated input/output OBS22 OBS23 OBS05 OBS12 OBS15 OBS24 MODEL/CHANNEL Unit WC12 WC12 SC12 SC12 SC12 SC12 INPUT Input Range Full Load mA 1042 1097 1040 1046 1097 1041 Input Range No Load mA 32 37 39 42 44 47 Efficiency (typical) *2 % 80 82 84 86 82 84 Input Voltage Vac 12 Input Voltage Range Vdc 8-18 Line Back Noise Hz 500 OBS22 OBS23 OBS05 OBS12 OBS15 OBS24 MODEL/CHANNEL Unit WC2448 WC2448 SC2448 SC2448 SC2448 SC2448 Input Voltage Vac 24 48 24 48 24 48 24 48 24 48 24 48 INPUT Input Range No Load mA 16 18 14 17 14 17 17 20 18 22 19 23 Input Range Full Load mA 520 262 542 274 520 263 523 268 542 277 520 263 500 200 500 200 Line Back Noise Hz 500 300 500 300 500 300 500 300 Efficiency (typical) *2 % 80 79 83 82 86 83 86 84 83 81 84 83 Input Voltage Range Vdc 18-72 Protection +250 +250 +350 +650 Trimming of Output V -250 -900 -1600 -4000 Overcurrent Protection A Foldback/Current Limiting with automatic recovery at discontinous short circuit conditions ETA-USA 16170 Vineyard Blvd. Suite 180 Morgan Hill, CA 95037 ETA-USA The Power Professionals MODEL/CHANNEL Unit Environment Derating - 3.5%/ (50 to 71) (out of warranty 71) Operating Temperature -20 to 71 Operating Humidity % 20-90%/RH(non-condensing) Shock - 294m/s 2 Cooling - Convection Input Fuse - Installed Storage Temprature -20 to +85 Storage Humidity % 20 to 90%/RH(non-condensing) Withstanding Voltage - Primary-Secondary AC500V for 1 minute Isolation Resistance - Primary-Secondary 50M(minimum) by DC500V insulation tester Capacitance - 4400 5-10Hz: 10mm double amplitude, 10-55Hz: 19.6m/s 2, 20 minutes period for Vibration - 60 minutes each along X,Y,Z axes(non-operating) Dimension Size(WxHxD) / Weight mm/g 39.1W46L16.5H open board type/14g Model Diagram ETA-USA 16170 Vineyard Blvd. Suite 180 Morgan Hill, CA 95037