ncp1053b ON Semiconductor, ncp1053b Datasheet - Page 12

• Manufacturer Part Number: ncp1053b
• Description: Monolithic High Voltage Gated Oscillator Power Switching Regulator
• Manufacturer: ON Semiconductor

1.02
1.00
0.98
0.96
0.94
0.92
0.90
0.88
4.56
4.54
4.52
4.50
4.48
4.46
4.44
4.42
4.40
4.38
4.36
4.34
7
6
5
4
3
2
1
0
0
−50
−50
Figure 21. Startup Current versus Supply
Figure 19. Undervoltage Lockout Threshold
Figure 17. Normalized Peak Current Limit
1
−25
−25
2
NCP1050, NCP1051, NCP1052, NCP1053, NCP1054, NCP1055
0
0
SUPPLY VOLTAGE (V)
versus Temperature
versus Temperature
3
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
Voltage
4
50
50
5
T
V
75
J
PIN 5
75
6
= 25°C
= 20 V
100
100
7
125
8
125
http://onsemi.com
9
150
150
12
8.6
8.4
8.2
8.0
7.8
7.6
7.4
7.2
−2
8
6
4
2
0
8
7
6
5
4
3
2
1
0
−50
−50
1
Figure 18. Supply Voltage Thresholds versus
Figure 20. Start Current versus Temperature
Figure 22. Startup Current versus Pin 5
−25
−25
0
0
10
TEMPERATURE (°C)
TEMPERATURE (°C)
V
PIN 5 VOLTAGE (V)
Temperature
PIN 5
25
25
V
CC
V
Voltage
V
CC
= 20 V
= 0 V
CC
THRESHOLD
THRESHOLD
OPERATING
STARTUP
MINIMUM
50
= 8.3 V
50
V
= 0 V
V
CC(off)
CC(on)
75
75
100
V
T
CC
100
100
J
= 25°C
= 8 V
125
125
1000
150
150