AM80A
P
er
formance
S
er
ies
Rev. 05 Mar 99
AMPSS Reference Manual
2
Contents
Introduction ...................................................................................................... 4
Special Features ............................................................................................. 4
Ordering Information ........................................................................................ 5
Safety ............................................................................................................... 5
Electrical Specifications .....................................................6
Absolute Maximum Ratings – all models ....................................................... 6
Pin Connections - all models except AM80A-048L-050P25D033P30 ......... 7
Pin Connections - AM80A-048L-050P25D033P30 ....................................... 9
Insulation - all models ................................................................................... 10
Electrical Specifications for 48V Input Models (AM80A-048L-xxxFyy) ....... 11
Electrical Specifications for 48V Input Models (AM80A-048L-
050P25D033P30) ...................................................................................... 13
Electrical Specifications for 150V Input Models (AM80A-150L-xxxFyy) ..... 14
Electrical Specifications for 300V Input Models (AM80A-300L-xxxFyy) ..... 15
Electrical Specifications for 320V Input Models (AM80A-320L-xxxFyy) ..... 17
Functional Description ..................................................... 18
Remote Sense (+SENSE, -SENSE) ............................................................. 18
Enable Control (ENABLE)............................................................................. 18
Output Voltage Adjustment (V ADJ).............................................................. 19
Current Limit Adjustment (C LIM ADJ).......................................................... 19
Overvoltage Protection Adjustment (OVP ADJ)........................................... 19
Power Good/Identification (PG/ID) ................................................................ 20
Clock Signals (CLK IN, CLK OUT) ............................................................... 20
Current Sharing (C SHARE) ......................................................................... 21
Current Monitoring (C MON) ......................................................................... 21
Temperature Monitoring (TEMP MON) ......................................................... 21
Design Considerations ..................................................... 22
Input Bulk Capacitors .................................................................................... 22
Remote Loads ............................................................................................... 22
Thermal Data ................................................................................................. 22
Overtemperature Protection ......................................................................... 22
Parallel Connection Considerations ............................................................. 23
Output Ripple and Noise ............................................................................... 23
Conducted EMI ............................................................................................. 23