NCP391FCALT2G ONSEMI [ON Semiconductor], NCP391FCALT2G Datasheet - Page 5

• Manufacturer Part Number: NCP391FCALT2G
• Description: Positive Overvoltage Protection Controller with Internal Low RON NMOS FET
• Manufacturer: ONSEMI [ON Semiconductor]

V
FLAG
V
V
in
in
out
− (R
EN
V
FLAG
out
DS(on)
Figure 5. Disable on EN = 1
I)
0.3 V
UVLO
t
on
Figure 3. Startup
1.2 V
t
dis
t
start
0.3 V
1.2 V
V
<OVLO
in
− (R
DS(on)
TIMING DIAGRAMS
http://onsemi.com
I)
5
Figure 4. Shutdown on Overvoltage Detection
V
in
EN
V
FLAG
FLAG
V
V
in
− (R
out
in
Figure 6. FLAG Response with EN = 1
DS(on)
OVLO
I)
t
stop
1.2 V
t
off
0.4 V
0.3 V
OVLO
UVLO
t
on
+ t
start