ncp1337crttvevb ON Semiconductor, ncp1337crttvevb Datasheet - Page 8
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ncp1337crttvevb
Manufacturer Part Number
ncp1337crttvevb
Description
Quasi Resonant Controller Featuring Over Power Compensation
Manufacturer
ON Semiconductor
Datasheet
1.NCP1337CRTTVEVB.pdf
(14 pages)
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Setpoint
TIMER
FAULT
VCC
V
VCC
CS
V
80 ms
CSLimit
V
CS
CSstby
Fault
CC
MIN
ON
SS
At startup, a 4.0 ms soft−start is activated.
If the current Setpoint is above the fault
level, FAULT flag is raised.
When FAULT is activated,
the 80 ms timer starts.
Figure 3. Startup Sequence
http://onsemi.com
Timing Diagrams
NCP1337
8
When the timer ends, if FAULT is not activated
anymore, the controller works normally.
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