AM80A-Dual 224 Watts AM80A-Dual Performance Series Total Power 224 Watts Input Voltages 48V # of Outputs Dual 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 * Input * * * * * * * 85C baseplate operating temperature (no derating) Low output ripple and noise Excellent transient response Safety isolated low voltage interface with ALPTM linear control High Reliability - over 1 million hours MTBF Wide input voltage range Parallelable with accurate current sharing Current and temperature monitoring signals for each output Input Range ............................. 36 to 72 VDC Efficiency ................................. 80% typical (5V @ 25A, 3.3V @ 30A) Control Voltage Adjust ......................... 80 to 120% Vo linear programming Enable ..................................... TTL compatible (low to enable) Current Limit Adjust ................. 20 to 100% Io linear programming Clock Input (external sync) ...... 3.3 to 5.5Vp-p @ 1MHz 10% Clock Output (internal clock) ... 4.5Vp-p typical @ 1MHz 0.5% Temperature Monitor Output ... 10 mV/K (2.73V = 0C) E N V I R O N M E N TA L Current Monitor Output ........... 0 to 1mA (1 mA = 100% Io rated) Operating temperature (baseplate): -20C to +85C Over Voltage Protection Adjust ..................... 110 to 150% Vo linear programming Storage temperature: -40C to +105C Outputs Load Regulation ...................... 0.1% typical down to no load Overtemperature protection: 100C typical MTBF: > 1 million hours (50C baseplate) Line Regulation ....................... 0.02% typical Noise/Ripple ............................ 50 mV typical Remote sense ......................... Up to 0.5V SAFETY Output Voltage Adjust Range .. 20% of nominal output UL UL 1950 E132002 CSA CSA22.2-234 CSA22.2-950 LR53982C VDE IEC950 20396-3336-1011 EN 60950 CE CEMark (LVD) Transient Response ................ 5% maximum deviation with 200s recovery (25-75% full load) Current Share Accuracy .......... 3% typical Overvoltage Protection ............ 115% Vo (nominal) Current Limit ............................ 110% Io maximum NOTES ELECTRICAL SPECIFICATIONS Nominal values apply with sense pins connected and other control pins unconnected. Specifications apply to both outputs except where otherwise indicated. Specifications subject to change without notice. 186 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 EUROPE Astec House, Waterfront Business Park Merry Hill, Dudley West Midlands, DY5 1LX, UK Telephone:+44(0)1384-842211 Facsimile:+44(0)1384-843355 AMERICAS 5810 Van Allen Way Carlsbad, CA 92008 Telephone: 760-930-4600 Facsimile: 760-930-0698 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 Voltage 1 Output Voltage 2 Model Number 48V 5V@25A 3.3V@30A AM80A-048L-050P25D033P30 P O W E PIN ASSIGNMENTS CONNECTIONS + I/P V1 +SENSE 1 Input Output Control Pins 31. +ve 32. -ve 21. 22. 24. 25. 26. 28. 29. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 5V / 25A 1 9 0 36 to 72V 0 SENSE 10 18 3.3V / 30A +SENSE 2 V2 V1 0 V2 - I/P C Limit Adjust OVP Adjust 3.3V enable Temp. Monitor 5V enable To other modules A/D 3.3V adj. D/A 5V adj. V1 SENSE V2 SENSE TEMP MON V1 C MON V2 C MON V1 C SHARE V2 C SHARE CLK OUT CLK IN V2 C.L. ADJ V1 C.L. ADJ V2 OVP ADJ V1 OVP ADJ V2 V ADJ V1 V ADJ V2 ENABLE V1 ENABLE 0 SENSE Secondary side controls AM80A-Dual From other modules R Controller Alarm Fan control Remote system on/off Microprocessor connection example DIMENSIONS THERMAL BASE PLATE* V1 C SHARE V1 + SENSE 1 V2 C SHARE CLK OUT 9 5V 1 10 18 12.7 (0.50) 0 0 SENSE 3.3V + SENSE 2 V2 8 OUTPUT PINS 2 INPUT PINS 18 CONTROL PINS *Must be connected to protective earth V1 C SHARE 9 1 10 18 0 SENSE 0 32 + SENSE 2 V2 3.3V Enable 5V Enable 31 29 28 10 18 9 1 61.0 (2.40) CLK IN AMPSSTM POWER MODULE V1 + SENSE 1 V2 C SHARE 26 25 24 22 21 116.8 (4.60) Parallel connections Viewed from pins side. Dimensions in mm (inches) Rev 11.6.98 www.astec.com 187