75 Watts APC18 Total Power: Input Voltages: No. of Outputs: 75 Watts 10.0V to 14.0 V Single (18 Amps) Electrical Specs Input Input range Input Surge Efficiency 10.0V to 14.0V 15V 3.3V @ 92% (Typ) Control Enable TTL compatible (positive enable) Output Special Features • • • • • • • • • • Point of load (POL) applications High Current slew rate at 2.5A/us1 Open frame SMT High efficiency, 3.3V @ 92% (Typ) Adjustable Output through external resistor programming -40°C to +85°C Ambient operating temperature UVLO protection Positive Enable function Low output ripple and noise Regulation to zero load Environmental Regulation (Line, Load, Temp) Load Current <3% 18A max Ripple and noise1 Output Adjust Range Current Slew Rate 50mV 0.75V - 5.5V up to 2.5A/µS Transient Response1 3% typical deviation (for 5VO) for 50% to 75% step load 200 µS recovery 10% of Vo 10V (Typical) 1V (Typical) Hiccup - auto recovery Non-Isolated module Remote Sense Turn On Input Voltage UVLO Hysterisis OCP/OTP Isolation Specifications subject to change without notice. Operating temperature -40°C to +85°C Storage temperature: -40°C to +125°C MTBF: >1 million hours Safety UL, cUL 609500 Recognized (Pending) TUV 2 EN60950 Licensed (Pending) North America (USA): 1-888-41-ASTEC Europe (UK): 44 (1384) 842-211 Asia (HK): 852-2437-9662 AMERICAS EUROPE ASIA 5810 Van Allen Way Carlsbad, CA 92008 Telephone: 760-930-4600 Facsimile: 760-930-0698 Astec House, Waterfront Business Park Merry Hill, Dudley West Midlands, DY5 1LX, UK Telephone: 44 (1384) 842-211 Facsimile: 44 (1384) 843-355 Units 2111-2116, Level 21 Tower1, Metroplaza 223, Hing Fong Road Fwai Fong, New Territories Hong Kong Telephone: 852-2437-9662 Facsimile: 852-2402-4426 Ordering Information Input Voltage Output Voltage Output Current Efficiency Full Load (Typ) Model Number 10.0V - 14.0V 0.75 to 5.50V 18A 92% APC18T12-9(J) Note: - 18A max output current with total output power limited to 75W - minimal output derating required - Typical Efficiency for 3.3V output; full load; nominal input voltage; 200LFM at TA=25 ºC - Suffix “J” designates tray packaging, non “J” is T&R Pin Assignment Mechanical Dimensions Notes: 1. 200uF and 2x 150uF input and output capacitance required. 2. All specifications are typical at nominal line, full load and 25°C ambient temperature unless otherwise noted. 3. All specifications subject to change without notice. Mechanical drawings are for reference only 4. Technical Reference Notes should be consulted for detailed information 5. Warranty: 1yr GND VO TRIM SENSE PIN SIDE UP VIEW VIN ENABLE Recommended PAD Layout PAD Size MIN: 1.6 x 2.8 mm [0.065 x 0.110 inches] REC: 1.8 x 2.8 mm [0.070 x 0.110 inches] MAX: 2.0 x 3.0 mm [0.080 x 0.130 inches] PIN SIDE DOWN VIEW * Astec reserves the right to make changes to the information contained herein without notice and assumes no liability as a result of its use or application. (REV C: JUN 2, 2004) www.astecpower.com 3