NCP346
http://onsemi.com
10
0 2.5 5 7.5 10 12.5 15 17.5 20 22.5 25 27.530
4.3
4.35
4.4
4.45
4.5
4.55
4.6
−40 −25 −10 5 20 35 50 65 80 95
Vth VOLTAGE (V)
AMBIENT TEMPERATURE (°C)
Vth (V
CC
Increasing)
Vth (V
CC
Decreasing)
IN Shorted to V
CC
Figure 5. Typical Vth Variation vs. Temperature
(NCP346SN1)
5.3
5.35
5.4
5.45
5.5
5.55
5.6
5.65
5.7
−40 −25 −10 5 20 35 50 65 80 95
Vth VOLTAGE (V)
AMBIENT TEMPERATURE (°C)
Figure 6. Typical Vth Variation vs. Temperature
(NCP346SN2)
Vth (V
CC
Increasing)
Vth (V
CC
Decreasing)
IN Shorted to V
CC
500
600
700
800
900
−40 −25 −10 5 20 35 50 65 80 95
AMBIENT TEMPERATURE (°C)
Figure 7. Typical Supply Current (I
CC
+ I
IN
) vs.
Temperature (NCP346SN1)
Overvoltage Tripped (V
CC
= 5 V)
Disabled by CNTRL Pin (V
CC
= 4 V)
Normal Operation (V
CC
= 4 V)
SUPPLY CURRENT (mA)
500
600
700
800
900
−40 −25 −10 5 20 35 50 65 80 95
AMBIENT TEMPERATURE (°C)
Figure 8. Typical Supply Current (I
CC
+ I
IN
) vs.
Temperature (NCP346SN2)
SUPPLY CURRENT (mA)
Overvoltage Tripped (V
CC
= 6 V)
Disabled by CNTRL Pin (V
CC
= 5 V)
Normal Operation (V
CC
= 5 V)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0 2.5 5 7.5 10 12.5 15 17.5 20 22.5 25 27.5 30
SUPPLY CURRENT (mA)
V
CC
(V)
Figure 9. Total Supply Current vs. V
CC
(NCP346SN1)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
V
CC
(V)
Figure 10. Total Supply Current vs. V
CC
(NCP346SN2)
I
CC
+ I
IN
(mA)
