Astec Industry Standard W9959_02_DCDC_001-073_73 2/8/02 3:13 PM Page 12 130 Watts APH Series Total Power: Input Voltages: No. of Outputs: 130 Watts 48V Single High Efficiency PRELIMINARY Electrical Specs Input Input range 35-75 VDC Input Surge 100V / 100ms Efficiency 92% (Typ), 90% (Min) Control Special Features * High efficiency, 92% (Typical) * -25C to +65C operating temperature (no derating) * Positive Enable function * Low output ripple and noise * Protection (OVP, OCP, OTP) Auto-recovery * Regulation to zero load * Fixed frequency switching (400 kHz) Environmental Voltage Adjust (Optional) 90 to 110% Enable TTL compatible (positive) Output Regulation (All Conditions; Line, Load, Temp) <5% down to no load Ripple and noise 2% typical (200mV p-p max) Output voltage adjust range +/-10% of nominal output Overvoltage Protection 130% nominal output Current Limit Inception 22.5 Amps Operating temperature (ambient): Notes: Nominal values apply with sense pins connected and other control pins unconnected. -25C to +65C (No Derating) Specifications subject to change without notice. -40C to +85C (Contact Factory for Derating Curve) Storage temperature: -55C to +105C Overtemperature protection: 125C PCB MTTF: >1.5 million hours Safety UL CSA TUV 12 60950: 2000, Recognized C22.2 No. 60950 Certified EN60950 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 3:13 PM Page 13 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 APH18 Ordering Information Input Voltage Output Voltage Efficiency Model Number Package 48V 48V 7.25V @ 18A 12V @ 10A 92% 92% APH18E48 APH10E48 Open frame, half brick Open frame, half brick Note: Efficiency is measured at full load and Ta = 25 Deg C -9 Suffix added for Trim Option Pin Assignments Single Output -Vin No Connect Enable (on/off) + Vin - Output No Connect No Connect (Optional Trim "-9") 8. No Connect 9. + Output Tolerances: x.xx +/- 0.02 in (x.x +/- 0.5mm) x.xxx +/- 0.010 in (x.xx +/- 0.25mm Height: 0.43" 1. 2. 3. 4. 5. 6. 7. 0.43" Notes: www.astec.com Astec Industry Standard 1. 20 mHz bandwidth. An external 2.2 mf ceramic capacitor is recommended to be placed from +V out to -V out. 2. Requires a 2.2 mf, 100V film capacitor connected between +V in and -V in to meet FCC class A and ETS300-386-1 requirements for conducted noise. Consult Factory for filtering information to meet FCC class B, VDE or EIC specifications. 3. All specifications are typical at nominal line, full load, and 25C unless otherwise noted. 4. All specifications subject to change without notice. Mechanical drawings are for reference only. 5. Please refer to the Technical Reference Notes for more information. 6. Warranty: 1yr 13