VCC
VCCON
VCCMIN
CS
Setpoint
Fault
VCSstby
CS
VCSLimit
FAULT
NCP1337
Timing Diagrams
At startup, a 4.0 ms soft−start is activated.
If the current Setpoint is above the fault
level, FAULT flag is raised.
SS
TIMER
80 ms
When FAULT is activated,
the 80 ms timer starts.
When the timer ends, if FAULT is not activated
anymore, the controller works normally.
Figure 3. Startup Sequence
http://onsemi.com
8