Encapsulated DC-DC Converter SK40 SERIES 40 Watts KEY FEATURES PRELIMINARY Power Modules for PCB Mounting Six-sided Continuous Shield High Efficiency Standard Package 2-Year Product Warranty ELECTRICAL SPECIFICATIONS Model No. Max. output wattage (W) Input voltage (V.DC.) SK40-48-1.8S 40W 48V (36-75V) Output voltage (V.DC.) 1.8V / 8000mA 2.5V / 8000mA 3.3V / 8000mA 5V / 8000mA 12V / 3333mA 15V / 2666mA 24V / 1666mA Efficiency (%) 80% 83% 85% 87% 87% 88% 89% Model No. ( Single Output ) Max output wattage (W) Input Input filter Voltage (V.DC.) Voltage accuracy Current (mA) max Line regulation (HL-LL) (typ.) Output Load regulation (10-100%) (typ.) Ripple Noise Switching frequency Over current 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 SK40-48-2.5S 40W 48V (36-75V) SK40-48-3.3S 40W 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) SK40-48-1.8S SK40-48-2.5S SK40-48-3.2S SK40-48-5S SK40-48-12S SK40-48-15S SK40-48-24S 40W 40W 40W 40W 40W 40W 40W 12 ±1% 3333 ±0.5% ±1% 15 ±1% 2666 ±0.5% ±1% 24 ±1% 1666 ±0.5% ±1% 400KHz 400KHz 400KHz π type 1.8 2.5 3.3 5 ±1% ±1% ±1% ±1% 8000 8000 8000 8000 ±0.5% ±0.5% ±0.5% ±0.5% ±1% ±1% ±1% ±1% <0.2% Vout +20mV max (Vp-p) <0.5% Vout +50mV max (Vp-p) 400KHz 400KHz 400KHz 400KHz Works over 120% of rating and recovers automatically. Zener diode clamp Hiccup, auto-recovery 1600 VDC. 109 ohms 1000 pF -25°C…+71°C -55°C…+105°C +95°C max. ±0.02% Per°C 95% RH >550,000 h @ 25°C (MIL-HDBK-217F) 2 x 1.6 x 0.42 Inches (50.0 x 40.0x 10.67 mm) Nickel-Coated Copper with Non-Conductive base, six-side shielded. 50 g Free-air convection All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated. http://www.archcorp.com.tw TEL: +886-2-26989508 FAX: +886-2-26981319 -1- Encapsulated DC-DC Converter SK40 SERIES MECHANICAL DIMENSION 40 Watts (Top View) PIN# Single 1 ON / OFF 2 -VIN 3 +VIN 4 NC 5 +VOUT 6 -VOUT 7 TRIM DERATING 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-