60 Watts Total Power: Input Voltages: No. of Outputs: 60 Watts 3.0V to 5.5V Single APA18 (18 Amps) Electrical Specs Input Input range Efficiency 3.0V to 5.5V 3.3V @ 95% (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 SIP High efficiency, 3.3V @ 95% (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 Line Regulation Load Regulation 0.75Vo 0.75 < Vo < 3.3V 3.3V ≤ Vo Load Current Ripple and noise <0.5% Output Adjust Range Current Slew Rate 0.75V - 3.3V up to 2.5A/µS Transient Response1 300mV typical deviation (3.3Vo) for 50% to 100% step load 100 µS recovery 10% of Vo 3.0V (Typical) Hiccup - auto recovery Non-Isolated module 10mV 15mV 30mV 18A max (Po ≤ 60W) 50mVp-p Remote Sense Turn On Input Voltage OCP/OTP Isolation Environmental Specifications subject to change without notice. Operating temperature -40°C to +85°C (Ambient temperature) Note: 1. with output capactior of 100uF Tantalum + 1 uF Ceramic cap 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 3.0V - 5.5V 3.0V - 5.5V 0.75 to 3.6V 0.75 to 3.6V 18A 18A 95% 95% APA18T04-9 APA18T04-9H Note: - 18A max output current with total output power limited to 60W - minimal output derating required - Typical Efficiency for 3.3V output; full load; nominal input voltage; 200LFM at TA=25 ºC - Suffix “H” for Horizontal pins Pin Assignment Notes: 1. All specifications are typical at nominal line, full load and 25°C ambient temperature unless otherwise noted. 2. All specifications subject to change without notice. Mechanical drawings are for reference only 3. Technical Reference Notes should be consulted for detailed information 4. Warranty: 1yr Mechanical Dimensions - Vertical type * 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 B: August, 2005) www.astecpower.com 3