PLEASE NOTE: The SMB118 has entered End-of-Life.
SMB118/218
APPLICATIONS INFORMATION (CONTINUED)
RESTART AFTER
POWER-OFF OR
FORCE-SHUTDOWN
PWREN PIN
ASSERTED
I2C POWER
ON COMMAND
BEGIN
SEQUENCING
SEQUENCE
POSITION 1
CURRENT
SEQUENCE
POSITION
POWER
ON DELAY
CHANNEL
ENABLED
CHANNEL
NOT
ENABLED
NEXT
SEQUENCE
POSITION
SOFT-START
MONITOR
WAIT FOR
ENABLE
ENABLE
HIGH
ENABLE LOW
VOUT<=UV
VOUT=>UV
SOFT-START
Figure 6 – Power-on sequencing flow chart.
Summit Microelectronics, Inc
2107 3.0 10/15/2008
20