SG1846
APPLICATIONS INFORMATION
(continued)
FIGURE 26 - PULSE BY PULSE CURRENT LIMITING
FIGURE 27 - SOFT START AND SHUTDOWN/RESTART FUNCTIONS
V
REF
< 0.8mA
R
1
FIGURE 28 - SHUTDOWN WITH AUTO-RESTART
V
REF
>3mA (LATCHED OFF)
R
1
FIGURE 29 - SHUTDOWN WITHOUT AUTO-RESTART (LATCHED)
If
V
REF
< 0.8mA the shutdown latch will commutate
R
1
If
V
REF
> 3mA the device will latch off
R
1
when I
SS
< 0.8mA and a restart cycle will be initiated.
until power is recycled.
Rev 1.1a
Copyright
©
1994
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