NCP1338PG ONSEMI [ON Semiconductor], NCP1338PG Datasheet - Page 8
NCP1338PG
Manufacturer Part Number
NCP1338PG
Description
PWM Current-Mode Controller for Free Running Quasi-Resonant Operation
Manufacturer
ONSEMI [ON Semiconductor]
Datasheet
1.NCP1338PG.pdf
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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-Skip 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
NCP1338
8
When the timer ends, if FAULT is not activated
anymore, the controller works normally.
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