SMH4812_09 Datasheet, PDF (8/18 Pages) Summit Microelectronics, Inc. – Distributed Power Hot-Swap Controller

SMH4812
Preliminary
OV / UV
FAULT#
2.5V
t_UOFLTR
CBSENSE
VGATE
T_{CBD 50mV}
T_CYC
T_CBD
2055 Fig01
Figure 1. Under-/Over-Voltage Filter Timing
2055 Fig02
Figure 2. Circuit Breaker Cycle Mode
V_DD
UV
OV
PD1#/
PD2#
VGATE
DRAIN
SENSE
CBSENSE
PG#
8
11 ≤ V_DD ≤ 13
2.5V_REF
<t_PUVF
t_PDD
5V
50mV_REF
V_DD – V_GT
2.5V_REF
V_DD
<t_CBD
Figure 3. Power On Timing Sequence
2055 4.1 03/27/09
2055 Fig03
SUMMIT MICROELECTRONICS, Inc.