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Número de pieza
componentes Descripción
NCP391(2011) Ver la hoja de datos (PDF) - ON Semiconductor
Número de pieza
componentes Descripción
Fabricante
NCP391
(Rev.:2011)
Positive Overvoltage Protection Controller with Internal Low RON NMOS FET
ON Semiconductor
NCP391 Datasheet PDF : 12 Pages
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V
in
V
out
FLAG
NCP391
TIMING DIAGRAMS
UVLO
t
on
0.3 V
t
start
<OVLO
V
in
−
(R
DS(on)
I)
1.2 V
Figure 3. Startup
OVLO
V
in
V
out
t
off
V
in
−
(R
DS(on)
I)
0.3 V
FLAG
t
stop
0.4 V
Figure 4. Shutdown on Overvoltage Detection
EN
V
out
V
in
−
(R
DS(on)
I)
1.2 V
t
dis
FLAG
0.3 V
Figure 5. Disable on EN = 1
EN
V
in
FLAG
1.2 V
OVLO
UVLO
t
on
+ t
start
Figure 6. FLAG Response with EN = 1
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