W9959_02_DCDC_001-073_73 2/8/02 3:09 PM Page 8 18 Watts APE12 Total Power: Input Voltages: No. of Outputs: 18 Watts 4.5 to 5.5V Single Electrical Specs Input Input range 4.5 to 5.5 VDC Efficiency 84% typical Output Special Features • • • • • 18 Watts Non Isolated Trim Function Remote Sense 1.0" x 2.0" x 0.475 Open Frame Output Overcurrent Protection Voltage tolerance Overall regulation Noise/ripple Transient response ±1% Max ±2% max 2% (mV P-P) Max 50mV, 300 uS Max (50% step load change) Temperature Regulation ±0.03 %Vo/°C Switching frequency 290kHz Isolation Non-Isolated Environmental Operating Temperature (No Derating): 0°C to +85°C Ambient (Derated) Storage temperature: -40°C to +125°C MTBF: 1.8 Million Hours (Belcore TR332) 8 America’s (USA): 1-888-41-ASTEC Europe (UK): 44 (1384) 842-211 Asia (HK): 852-2437-9662 W9959_02_DCDC_001-073_73 2/8/02 3:09 PM Page 9 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 APE12 Ordering Information Input Voltage Output Voltage Efficiency Model Number 4.5-5.5 V 1.5V @ 12.0 A 84% APE12M05 Pin Assignments Single Output 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. -Vin +Vin -Vout +Vout -Vsense Gnd No connection No connection Trim +Vsense Notes: 1. An external 4.7 uf ceramic capacitor and 1200uF electrolytic capacitorrecommended to be placed from +Vin to -Vin and also from +V out to Gnd. 2. All specifications are typical at nominal line, full load, and 25°C unless otherwise noted. 3. All specifications subject to change without notice. 4. Mechanical drawings are for reference only. www.astec.com 9