CostCutter Isolated and Regulated 25 WATT Modular DC/DC Converters Wide 2 : 1 Input Range High Efficiency SKE25, DKE25, TKE25 Series Regulated Outputs 500V Isolation Epoxy encapsulated Short circuit protection Unit measures 2.85"W x 2.66"L x 0.866"H MODEL SELECTIONS Output Voltage Output Amps Input Range Model Number Price 1 10 9-18VDC 18-36VDC 36-72VDC SKE25A-05 SKE25B-05 SKE25C-05 $69 $69 $69 $65 $65 $65 2.1 2.1 2.1 9-18VDC 18-36VDC 36-72VDC SKE25A-12 SKE25B-12 SKE25C-12 $69 $69 $69 $65 $65 $65 1.7 1.7 1.7 9-18VDC 18-36VDC 36-72VDC SKE25A-15 SKE25B-15 SKE25C-15 $69 $69 $69 $65 $65 $65 +/-2.5 +/-2.5 +/-2.5 9-18VDC 18-36VDC 36-72VDC DKE25A-05 DKE25B-05 DKE25C-05 $71 $71 $71 $67 $67 $67 +/-12 VDC +/-1.05 +/-1.05 +/-1.05 9-18VDC 18-36VDC 36-72VDC DKE25A-12 DKE25B-12 DKE25C-12 $71 $71 $71 $67 $67 $67 +/-15 VDC +/-0.85 +/-0.85 +/-0.85 9-18VDC 18-36VDC 36-72VDC DKE25A-15 DKE25B-15 DKE25C-15 $71 $71 $71 $67 $67 $67 TRIPLE OUTPUT +5,+/-12 4,+/-0.25 +5,+/-12 4,+/-0.25 +5,+/-12 4,+/-0.25 9-18VDC 18-36VDC 36-72VDC TKE25A-B TKE25A-B TKE25A-B $73 $73 $73 $69 $69 $69 +5,+/-15 +5,+/-15 +5,+/-15 9-18VDC 18-36VDC 36-72VDC TKE25A-B TKE25A-B TKE25A-B $73 $73 $73 $69 $69 $69 SINGLE OUTPUT 5 VDC 5 5 5 12 VDC 15 VDC DUAL OUTPUT +/-5 VDC 3.5,+/-0.25 3.5,+/-0.25 3.5,+/-0.25 300 Myles Standish Blvd., Taunton, MA 02780 Ph: 1-800-823-8082 Fax: 508-823-8181 Contact Factory for High Volume Pricing CostCutter Isolated and Regulated 25 Watt Modular DC/DC Converters All specifications are typical at nominal input, full load, and 25DegC unless otherwise noted MECHANICAL DIMENSIONS INPUT SPECIFICATIONS Input Voltage, Nominal Input Voltage Ranges Input Surge Voltage 12VDC, 24VDC, 48VDC 9-18, 18-36, 36-72VDC 30V (12V Models), * 52V (24V Models), * 96V (48V Models), * 10 mS duration, min. OUTPUT SPECIFICATIONS Voltage and Current Load Regulation Line Regulation Temperature Coefficient Ripple/Noise(Single/Dual) Overcurrent Protection Voltage Stability Transient Response Short Circuit Protection See Selection Chart +/- 1%, NL - FL (Single) +/- 2%, 20% - FL (Dual/Triple) +/- 0.5%, typ +/-0.02%/DegC (0~50C) 60mV Pk-Pk, typ 160-220%, Auto Recovery * +/-2%, max <0.250 msec / 25% Load Step Change, max Continuous, self-recovering GENERAL SPECIFICATIONS On/Off Control Shutdown Idle Current Input-Out Isolation In/Out Capacitance Efficiency Switching Frequency (Ref to - Input pin) Logic "0"/Open=ON Logic "1"=OFF 60mA, typ 500VDC 10000 pF 82%, typ 100Khz Pin # Single Dual Triple 1 2 3 4 5 6 7 8 + Input - Input + Sense Trim - Sense + Output - Output Control + Input - Input - Output Common No Connection + Output Common Control + Input - Input + Output Common - Output +5 Volt Common Control OUTPUT DERATING CURVE 120 ENVIRONMENTAL SPECIFICATIONS 100 Storage Temperature Maximum Case Temp Input Fusing MTBF kHrs Shock/Vibration -15C to +60C (FL) 80% Load @ 71C -25C to +85C * 80 DegC * 12V: 3A, 24V:2A, 48V: 1A SKE25 DKE25 TKE25 155 142 114 Mil Std 217F, 25C To MIL-STD 810C 80 Output W(%) Oper. Temperature 60 40 20 0 -15 -5 0 10 50 60 70 80 Ambient Temp, Deg C PHYSICAL SPECIFICATIONS Case Material Construction Weight Six-Sided Shield Metal Case Fully Encapsulated 6.79 oz, (190g) * These are stress ratings. Exposure of the devices to any of these conditions may adversely affect long term reliability. Proper operation under conditions other than the standard operating conditions is neither warranteed nor implied. Astrodyne products are not authorized or warranteed for use as critical components in life support systems, equipment used in hazardous environments, nuclear controls systems, or other mission-critical applications. 300 Myles Standish Blvd., Taunton, MA 02780 Ph: 1-800-823-8082 Fax: 508-823-8181