SMH4814 Datasheet, PDF (9/44 Pages) Summit Microelectronics, Inc. – Dual Feed Active-ORing Programmable Hot Swap Controller

SMH4814
Preliminary Information
AC OPERATING CHARACTERISTICS
Over recommended operating conditions, unless otherwise noted. All voltages are relative to V_SS.
Symbol
Parameter
Conditions
Min.
Typ.
t_QTSD Quick Trip Shutdown
Fig 10, 10% overdrive to
200
start of VGATE_HS turn-off
Max.
Units
ns
AC Programmable Functions (Note 2)
Symbol
Parameter
Conditions
t_CBD Programmable Over-Current Glitch Filter Default 40µs (2)
t_PGD Programmable Power Good Delay
Default 64ms (2)
t_CYC Circuit Breaker Cycle Mode Cycle Time Default 5.4s (2)
t_PUOVF Programmable Under/Over-Voltage Filter Default 64ms (2)
t_PDD Programmable Pin Detect Delay
Default 64ms (2)
t_STT
Programmable Sequence Termination
Timer
Default 64ms (2)
t_GLITCH Glitch Filter
Default 40µs (2)
Min.
-15
-15
–15
–15
–15
-15
-15
Typ.
t_CBD
t_PGD
t_CYC
t_PUOVF
t_PDD
t_STT
Max.
+15
+15
+15
+15
+15
+15
Units
%
%
%
%
%
%
t_GLITCH
+15
%
t_PCR Programmable Current Regulation
Default 64ms (2)
–15
t_PCR
+15
%
Notes: 2 - - Default values listed; refer to the Configuration Registers description for the range of values allowed.
Summit Microelectronics, Inc
2080 2.0 07/21/05
9