NCP1050, NCP1051, NCP1052, NCP1053, NCP1054, NCP1055
SOURCE CONTROL CURRENT THRESHOLD (mA)
50
CURRENT RISING
CLAMP VOLTAGE (V)
46
1.39
1.38
1.37
1.36
1.35
1.34
1.33
1.32
1.31
1.30
1.29
1.28
−50 −25
I
SINK
= 25
mA
42
38
CURRENT FALLING
34
30
−50
−25
0
25
50
75
100
125
150
0
25
50
75
100
125
150
TEMPERATURE (°C)
TEMPERATURE (°C)
Figure 11. Upper Window Control Input
Current Thresholds versus Temperature
Figure 12. Control Input Lower Window Clamp
Voltage versus Temperature
4.66
4.64
CLAMP VOLTAGE (V)
4.62
4.60
4.58
4.56
4.54
4.52
−50 −25
0
25
50
75
100
125
150
I
SOURCE
= 25
mA
ON RESISTANCE (W)
45
40
35
30
25
20
15
10
5
0
−50 −25
0
25
50
75
100
125
150
NCP1053,4,5
(I
D
= 100 mA)
NCP1050,1,2
(I
D
= 50 mA)
TEMPERATURE (°C)
TEMPERATURE (°C)
Figure 13. Control Input Upper Window Clamp
Voltage versus Temperature
Figure 14. On Resistance versus Temperature
120
LEAKAGE CURRENT (mA)
100
80
60
T
J
= −40°C
40
T
J
= 25°C
20
T
J
= 125°C
0
0
100
200
300
400
500
600
700
800
900
APPLIED VOLTAGE (V)
100
T
J
= 25°C
CAPACITANCE (pF)
NCP1053,4,5
10
NCP1050,1,2
1
0
100
200
300
400
500
600
700
APPLIED VOLTAGE (V)
Figure 15. Power Switch and Startup Circuit
Leakage Current versus Voltage
Figure 16. Power Switch and Startup Circuit
Output Capacitance versus Applied Voltage
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