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. 100°C 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: -40°C to +105°C Storage temperature: -40°C to +105°C 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 110°C 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 25°C 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