NCP1031 ON, NCP1031 Datasheet - Page 10

• Manufacturer Part Number: NCP1031
• Description: Low Power PWM Controller with On-Chip Power Switch and Startup Circuits for 48V Telecom Systems
• Manufacturer: ON

1000
100
600
575
550
525
500
475
450
425
400
375
350
600
575
550
525
500
475
450
425
400
375
350
10
−50
0
375
Figure 24. NCP1030 Current Limit Threshold
Figure 26. NCP1030 Current Limit Threshold
Current Slew Rate = 500 mA/ms
−25
Figure 22. Power Switch Circuit Output
T
J
= 25 C
40
400
T
Capacitance vs. Drain Voltage
J
vs. Junction Temperature
CURRENT SLEW RATE (mA/mS)
, JUNCTION TEMPERATURE ( C)
V
vs. Current Slew Rate
0
DRAIN
, DRAIN VOLTAGE (V)
25
80
425
50
120
450
75
NCP1031
NCP1030
TYPICAL CHARACTERISTICS
100
160
475
NCP1030
NCP1030, NCP1031
NCP1030
125
http://onsemi.com
200
500
150
10
1200
1050
1000
1150
1100
1200
1050
1000
1150
1100
950
900
850
800
750
700
950
900
850
800
750
700
40
35
30
25
20
15
10
−50
5
0
0
750
Figure 25. NCP1031 Current Limit Threshold
Figure 27. NCP1031 Current Limit Threshold
Current Slew Rate = 1 A/ms
Figure 23. Power Switch Circuit and Startup
V
Circuit Leakage Current vs. Drain Voltage
CC
−25
T
= 12 V
J
50
800
= 25 C
T
J
CURRENT SLEW RATE (mA/mS)
, JUNCTION TEMPERATURE ( C)
vs. Junction Temperature
V
0
vs. Current Slew Rate
DRAIN
100
25
, DRAIN VOLTAGE (V)
850
T
T
T
J
J
J
= 125 C
= −40 C
= 25 C
150
50
900
75
200
100
950
NCP1031
NCP1031
250
125
1000
300
150