NCP349 ON Semiconductor, NCP349 Datasheet - Page 4

• Manufacturer Part Number: NCP349
• Description: Positive Overvoltage Protection Controller With Internal Low Ron Nmos Fet
• Manufacturer: ON Semiconductor

NOTE:
4. Additional UVLO and OVLO thresholds ranging from UVLO and from OVLO can be manufactured. Contact your ON Semiconductor
ELECTRICAL CHARACTERISTICS
unless otherwise noted.)
TIMINGS
Input Voltage Range
Undervoltage Lockout Threshold (Note 4)
Undervoltage Lockout Hysteresis
Overvoltage Lockout Threshold (Note 4)
Overvoltage Lockout Hysteresis
V
Supply Quiescent Current
UVLO Supply Current
FLAG Output Low Voltage
FLAG Leakage Current
EN Voltage High
EN Voltage Low
EN Leakage Current
Startup Delay
FLAG Going Up Delay
Output Turn Off Time
Alert Delay
Disable Time
in
representative for availability.
versus V
Electrical parameters are guaranteed by correlation across the full range of temperature.
out
Resistance
Characteristic
NCP349MNAE
NCP349MNAE
NCP349MNAE
NCP349MNAE
(Min/Max limits values (−40°C < T
UVLO
OVLO
FLAG
Symbol
R
Idd
EN
UVLO
OVLO
Vol
tstart
tstop
DS(on)
tdis
Idd
Vih
Vol
ton
V
toff
uvlo
leak
in
flag
hyst
leak
hyst
http://onsemi.com
V
V
V
From V
V
From V
V
in
in
in
From V
From V
V
4
in
in
0.4 V (See Figures 4 & 10)
falls down OVLO + OVLO
increasing from 5.0 V to 8.0 V
increasing from 5.0 V to 8.0 V
in
Sink 1.0 mA on FLAG pin
1.2 V (See Figures 3 & 9)
0.3 V (See Figures 4 & 8)
Rload connected on V
Rload connected on V
Sink 50 mA on/FLAG pin
rises up UVLO + UVLO
falls down UVLO threshold
V
Load connected to V
rises up OVLO threshold
From EN > = 1.2 V to
(See Figures 5 & 12)
in
No load. EN = 5.0 V
1.2 V < V
EN = 5.0 V or GND
(See Figures 3 & 7)
No load. EN = Gnd
FLAG level = 5.0 V
in
from 5 V to 2.7 V
= 5.0 V, EN = GND,
in
A
out
in
Rload = 5.0 W
> UVLO to V
V
Conditions
> OVLO to FLAG < =
V
V
at 3.0 V/ms
at 3.0 V/ms
< +85°C) and V
> OVLO to V
IN
out
IN
= 0.3 V to FLAG =
> OVLO
= 2.7 V
< 0.3 V
IN
−
−
−
< UVLO
out
out
out
= 0.3 V
out
out
in
< =
hyst
= +5.0 V. Typical values are T
hyst
5.53
Min
1.2
2.8
1.2
6.0
6.0
30
30
−
−
−
−
−
−
−
−
−
−
−
−
2.95
5.68
Typ
140
1.0
1.0
1.5
1.0
1.0
60
60
65
70
60
20
10
10
−
−
−
−
Max
5.83
150
250
400
400
110
A
3.1
0.4
5.0
5.0
28
90
90
14
14
−
−
−
−
−
= +25°C,
Unit
mW
mV
mV
mV
mV
ms
ms
mA
mA
mA
nA
nA
ms
ms
ms
V
V
V
V
V