AA60A 75 Watts AA60A Series - Dual Outputs Total Power 75 Watts Input Voltages 48V # of Outputs Dual 5V/3.3V & 3.3V/2.5V S P E C I A L F E AT U R E S E L E C T R I C A L S P E C I F I C AT I O N S * Output loadsharing Input * * * * * * * * 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 Input range ............................ 36 to 75 VDC (48Vdc Nom.) Input capacitance .................. 6.8F (typical) Efficiency ............................... 82% typical Input reverse ......................... Fuse recommended 3A.MB Voltage protection Input surge voltage ................ 100V for 100mS Input reflected ripple ............. <200mA (P-P) Output E N V I R O N M E N TA L Operating case temperature range: -40C to +105C Storage temperature: -40C to +105C Humidity: 5% to 100% (non-condensing) SAFETY UL TUV UL 1950 Pending CAN22.2-950 Pending EN60950 Pending Voltage tolerance .................. + 1% (Main) Output 1; 1.0% Output 2 ; 1% Line regulation ....................... Output 1; 0.2% Output 2 ; 0.2% Low Line - High Line @ Full Load Load regulation ..................... Output 1; 0.5% Output 2 ; 0.5% (10% to 100% load) 1A minimum load per rail required Ripple/noise .......................... 100mV P-P(max) Temperature coefficient ......... +0.02%/C (max) Short circuit protection .......... Continuous - Power Cycle Overvoltage protection .......... Shutdown (latching) Transient response ................ 4% Vo max recovery <100sec (25% to 75% step load change) Switching frequency .............. 400 kHz typical Control Enable ................................... on =2.5 to 5.5Vdc or open circuit off = 0 to 0.8Vdc Ref. to -Vin. TTL compatable Input current (enable off) ....... <2ma. Output trim ............................ Both outputs 10% minimum Thermal shutdown ................ 110C typ (baseplate temperature) Auto reset Isolation I/O isolation ........................... 1500 VDC Isolation resistance ............... 1 x 109 ohms 164 USA: 1-888-41-ASTEC Europe (UK): +44(0)1384-842211 Asia (HK): 852-2437-9662 ASIA 6F., CDW Building 382-392 Castle Peak Road Tsuen Wan, N.T., Hong Kong Telephone: 852-2437-9662 Facsimile: 852-2402-4426 AMERICAS 5810 Van Allen Way Carlsbad, CA 92008 Telephone: 760-930-4600 Facsimile: 760-930-0698 EUROPE Astec House, Waterfront Business Park Merry Hill, Dudley West Midlands, DY5 1LX, UK Telephone:+44(0)1384-842211 Facsimile:+44(0)1384-843355 D C D C O R D E R I N G I N F O R M AT I O N 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 P O W Note: Maximum output power not to exceed 75W total for 5/3.3V version (15A). The sum of output currents not to exceed 15amps for 5/3.3V (10A max for 3.3/2.5V). Any output loading ratio within the maximum specified limits is possible. E R DIMENSIONS PIN ASSIGNMENTS Single Output 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) .5 [1207] .040 [1.01] DIA. TYP. .20 MIN. [5.0] 2.30 [58.4] 1.900 [48.26] AA60A 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 10 Mounting Inserts M3 X .5 (4 places) NOTES Case material: Metal base, plastic cover Weight: 2.75 oz./ 78 grams 1. 20MHz bandwidth. An external 2.2f ceramic capacitor is recommended to be placed from +V out to -V out. 2. Requires a 2.2f, 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. Rev 12.29.98 www.astec.com 165