NCP348 ONSEMI [ON Semiconductor], NCP348 Datasheet - Page 5

• Manufacturer Part Number: NCP348
• Description: Positive Overvoltage Protection Controller with Internal Low R_ON NMOS FET and Status FLAG
• 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
NCP348
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)
I)
1.2 V
OVLO
t
stop
t
off
OVLO
0.4 V
UVLO
0.3 V
100 ms