NCP177
www.onsemi.com
6
TYPICAL CHARACTERISTICS
V
IN
= V
OUT−NOM
+ 0.5 V or V
IN
= 1.6 V (whichever is higher), V
EN
= 1.2 V, I
OUT
= 1 mA, C
IN
= C
OUT
= 1.0 mF, T
J
= 25°C
Figure 15. Ground Current vs. Output Current Figure 16. Short Circuit Current vs.
Temperature
OUTPUT CURRENT (mA) TEMPERATURE (°C)
5004003002001000
0
50
100
150
200
250
300
350
806040200−20−40
500
550
650
700
750
800
900
1000
Figure 17. Output Current Limit vs.
Temperature
Figure 18. Enable Threshold Voltage vs.
Temperature
TEMPERATURE (°C) TEMPERATURE (°C)
806040200−20−40
500
550
650
700
800
900
950
1000
806040200−20−40
0.4
0.5
0.6
0.7
0.9
0.8
1.0
Figure 19. Enable Input Current vs.
Temperature
Figure 20. Output Discharge Resistance vs.
Temperature (NCP177A option only)
TEMPERATURE (°C) TEMPERATURE (°C)
806040200−20−40
0
0.1
0.2
0.3
0.4
0.5
0.6
806040200−20−40
0
10
20
30
40
50
60
70
GROUND CURRENT (mA)
SHORT CIRCUIT CURRENT (mA)
OUTPUT CURRENT LIMIT (mA)
ENABLE THRESHOLD VOLTAGE (V)
ENABLE INPUT CURRENT (mA)
OUTPUT DISCHARGE RESISTANCE (W)
V
OUT−NOM
= 1.8 V
T
J
= 85°C
T
J
= 25°C
T
J
= −40°C
V
OUT−FORCED
= 0 V
600
850
950
V
OUT−NOM
= 0.7 V
1.4 V
3.3 V
1.8 V
V
OUT−FORCED
= V
OUT−NOM
− 0.1 V
V
OUT−NOM
= 0.7 V
1.4 V
3.3 V
1.8 V
600
750
850
V
OUT−NOM
= 1.8 V
OFF −> ON
ON −> OFF
V
OUT−NOM
= 1.8 V
V
IN
= 5.5 V
V
EN
= 5.5 V
V
OUT−NOM
= 1.8 V
V
IN
= 4.0 V
V
EN
= 0 V
V
OUT−FORCED
= V
OUT−NOM
