VER : A_5 update : 98.04.09 Encapsulated DC-DC Converter SK40 SERIES 30 Watts KEY FEATURES Power Module for PCB Mountable High Efficiency Up To 87% 2:1 Input Rang Six-sided Continuous Shield Standard Package Screw Terminal For Optional 2 Years Product Warranty ELECTRICAL SPECIFICATIONS Model No. Max. Output Wattage (W) Input Voltage (V.DC.) SK40-48-1.8S 14.4W 48V (36-75V) SK40-48-2.5S 20W 48V (36-75V) SK40-48-3.3S 26.4W 48V (36-75V) SK40-48-5S 40W 48V (36-75V) SK40-48-12S 40W 48V (36-75V) SK40-48-15S 40W 48V (36-75V) SK40-48-24S 40W 48V (36-75V) Output Voltage (V.DC.) Efficiency (%) 1.8V / 8000mA 78% 2.5V / 8000mA 82% 3.3V / 8000mA 84% 5V / 8000mA 86% 12V / 3333mA 83% 15V / 2666mA 83% 24V / 1666mA 84% Model No. ( Single Output ) Max output wattage (W) Input Input Filter Voltage (V.DC.) Voltage Accuracy Current (mA) max Line Regulation (LL-HL) (typ.) Load Regulation (10-100%) (typ.) Output Ripple (Vp-p) Noise (Vp-p) Trim Switching Frequency Over Power Protection Protection Over Voltage Protection Short Circuit Protection Voltage Isolation Resistance Capacitance Operating Temperature Storage Temperature Case Temperature Environment Temperature Coefficient Humidity MTBF Dimension (L x W x H) Case Material Physical Weight Cooling Method SK40-48-1.8S 14.4W SK40-48-2.5S 20W SK40-48-3.3S 26.4W SK40-48-5S 40W π type 1.8 2.5 3.3 5 ±2% 8000 8000 8000 8000 ±0.5% ±1% 50 mV max. ±1% max. 100 mV max. ±1% max. ±10% 400KHz Works over 120% of rating and recovers automatically. Zener diode clamp Hiccup mode, auto-recovery 1600 VDC. SK40-48-12S 40W SK40-48-15S 40W SK40-48-24S 40W 12 15 24 3333 2666 1666 108 ohms 1000 pF -25°C…+70°C (with derating) (40°C full load with 18 CFM Air Flow) -55°C…+105°C +100°C max. ±0.02% Per°C 95% RH >550,000 h @ 25°C (MIL-HDBK-217F) 2.0 x 1.6 x 0.47 Inches ( 50.8 x 40.6 x 11.9 mm ) Tolerance ±0.5 mm Nickel-Coated Copper with Non-Conductive Base, Six-side shielded. 58 g Free-air convection All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated. OUTPUT NOISE The output noise is measured with 10μF tantalum capacitor and 1μF ceramic capacitor across output. http://www.archcorp.com.tw TEL: +886-2-26989508 FAX: +886-2-26981319 -1- VER : A_5 update : 98.04.09 Encapsulated DC-DC Converter SK40 SERIES MECHANICAL DIMENSION 30 Watts ( Top View ) DERATING PIN# Single 1 CTRL 2 -DC IN 3 +DC IN 4 TRIM 5 -DC OUT 6 +DC OUT 7 NO PIN REMOTE ON/OFF CONTROL BLOCK DIAGRAM Output Voltage (V.DC) : 1.8V, 2.5V, 3.3V, 5V http://www.archcorp.com.tw TEL: +886-2-26989508 FAX: +886-2-26981319 Output Voltage (V.DC) : 12V, 15V, 24V -2- VER : A_5 update : 98.04.09 Encapsulated DC-DC Converter SK40 SERIES 30 Watts SCREW TERMINAL SK40-A2 PIN# Single 1 CTRL 2 -DC IN 3 +DC IN 4. TRIM 5 -DC OUT 6 NO CONNECT 7 +DC OUT 8 NO CONNECT PIN# Single 1 CTRL SK40-A5 2 -DC IN 3 +DC IN 4. TRIM 5 -DC OUT 6 NO CONNECT 7 +DC OUT 8 NO CONNECT http://www.archcorp.com.tw TEL: +886-2-26989508 FAX: +886-2-26981319 -3-