Astec Industry Standard W9959_02_DCDC_001-073_73 2/8/02 3:32 PM Page 38 75 Watts AA60A Total Power: Input Voltages: No. of Outputs: 75 Watts 48V Dual Electrical Specs Input Input range Input capacitance Efficiency Input reverse Voltage protection Input surge voltage Input reflected ripple 36 to 75 VDC (48Vdc Nom.) 6.8mF (typical) 82% typical Fuse recommended 3A.MB 100V for 100mS <200mA (P-P) Output Voltage tolerance * * * * * * * * * Special Features Line regulation Output loadsharing 48VDC Input Unencapsulated 2.3" x 2.4" x 0.50" pkg. 100C Baseplate temperature Trim feature, both rails Industry standard pin-out Enable (on/off) Thermal protection 5.0V/3.3V dual outputs Load regulation Ripple/noise Temperature coefficient Short circuit protection Overvoltage protection Transient response Switching frequency Environmental Control Enable Operating case temperature range: -40C to +105C Storage temperature: -40C to +105C Humidity: 5% to 100% (non-condensing) + 1% (Main) Output 1; 1.0% Output 2 ; 1% Output 1; 0.2% Output 2 ; 0.2% Low Line - High Line @ Full Load Output 1; 0.5% Output 2 ; 0.5% (10% to 100% load) 1A minimum load per rail required 100mV P-P(max) +0.02%/C (max) Continuous - Power Cycle Shutdown (latching) 4% Vo max recovery <100msec (25% to 75% step load change) 400 kHz typical Input current (enable off) Output trim Thermal shutdown on =2.5 to 5.5Vdc or open circuit off = 0 to 0.8Vdc Ref. to -Vin. TTL compatible <2ma. Both outputs 10% minimum 110C typ (baseplate temperature) Auto reset Isolation I/O isolation Isolation resistance 1500 VDC 1 x 109 ohms Safety UL TUV 38 UL 1950 File E494367 CAN22.2-950 EN60950 File DE3-5117A 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 3:32 PM Page 39 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 AA60A Ordering Information Input Voltage Output 1 Voltage Output 2 Voltage Model Number 36 - 75VDC 36 - 75VDC 3.3V @ 19A 5.0V @ 15A 2.5V @ 19A 3.3V @ 15A AA60A-048L-033D025 AA60A-048L-050D033 Note: Enable Function "N" = negative logic enable (without "N" = positive enable) Trim Feature "-PI" suffix = IPD Trim equivalent 1. Maximum output power not to exceed 75W total for 5/3.3V version (15A). 2. The sum of output currents not to exceed 15amps for 5/3.3V (19A max for 3.3/2.5V). 3. Any output loading ratio within the maximum specified limits is possible. Pin Assignments .5 [1207] 1. -Vin 2. Case 3. Enable (on/off) 4. Vin+ 5. V2 6. Rtn (V2) 7. Trim (V2) 8. V1 9. Rtn (V1) 10. Trim (V1) .040 [1.01] DIA. TYP. .20 MIN. [5.0] Single Output 2.30 [58.4] 1.900 [48.26] 1 5 6 2 2.40 [61.0] 2.000 [50.80] 1.400 [35.56] 7 .400 [10.16] .600 [15.24] 3 1.000 [25.40] 1.600 [40.64] 8 9 4 Notes: www.astec.com Mounting Inserts M3 X .5 (4 places) Astec Industry Standard 1. 20MHz bandwidth. An external 2.2mf ceramic capacitor is recommended to be placed from +V out to -V out. 2. Requires a 2.2mf, 100V film capacitor connected between +V in and -V in to meet FCC class A and ETS300-386-1 requirements for conducted noise. 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: 1 yr 10 39