SMH4814 Datasheet, PDF (12/44 Pages) Summit Microelectronics, Inc. – Dual Feed Active-ORing Programmable Hot Swap Controller

SMH4814
Preliminary Information
TIMING DIAGRAMS (CONTINUED)
Power-on Timing
Figure 7 illustrates some power on sequences, including the UV and OV differentials to their reference, and Power
Good cascading. Refer to the table on page 17 for more information on the t_PDD and t_CBD timings.
V₁₂
11V≤V₁₂≤13V
<t_PUOVF
UV
<V_OV
>V_UV
OV
PD0
PD1
t_PDD
VGATE_HS
V₁₂-V_GT
V₁₂
DRAIN
SENSE
CBSENSE
PUP_X
PUP_X
PUP_X
PUP_X
5V
Programmable
level - V_CB
2.5V_REF
t_PGD0
<t_CBD
t_PGD1
t_PGD2
t_PGD3
Figure 7 - SMH4814 Power-On Sequences
Summit Microelectronics, Inc
2080 2.0 07/21/05
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