SMH4804 View Datasheet(PDF) - Summit Microelectronics
Part Name
Description
MFG CO.
'SMH4804' PDF : 41 Pages View PDF
Timing Diagram
SMH4804
Power-on Timing
Figure 13 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 tPDD and tCBD timings.
VDD
UV
OV
PD1#/
PD2#
VGATE
DRAIN
SENSE
CBSENSE
PG1#
PG2#
PG3#
PG4#
18
11 ≤ VDD ≤ 13
2.5VREF
tPDD
5V
50mVREF
<tPUVF
VDD – VGT
2.5VREF
VDD Note - A 'Fault' condition
has caused Drain
Sense to go high.
tPGD
<tCBD
tPGD
tPGD
Figure 13. SMH4804 Power-On Sequences
2050 3.7 10/30/02
2050 Fig01 2.1
Summit Microelectronics
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