ncp1053b ON Semiconductor, ncp1053b Datasheet - Page 10

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

77.6
77.4
77.2
77.0
76.8
76.6
76.4
76.2
142
140
138
136
134
132
130
128
126
124
46
45
44
43
42
41
40
−50
−50
−50
−25
−25
−25
(136 kHz Version) versus Temperature
Figure 9. Maximum Duty Cycle versus
(44 kHz Version) versus Temperature
V
CC
V
Figure 5. Oscillator Frequency
Figure 7. Oscillator Frequency
CC
V
= V
CC
NCP1050, NCP1051, NCP1052, NCP1053, NCP1054, NCP1055
= V
0
0
0
CC(on)
= V
CC(on)
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
V
CC(off)
CC
Temperature
25
25
25
= V
CC(off)
50
50
50
75
75
75
100
100
100
125
125
125
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150
150
150
10
104
102
100
98
96
94
92
55
50
45
40
35
30
9
8
7
6
5
4
3
2
1
0
−50
−50
−50
V
V
CC
Current Thresholds versus Temperature
Figure 10. Lower Window Control Input
CC
−25
−25
−25
(100 kHz Version) versus Temperature
= V
Figure 8. Frequency Sweep versus
= V
Figure 6. Oscillator Frequency
CC(off)
CC(on)
0
0
0
100 kHz
TEMPERATURE (°C)
TEMPERATURE (°C)
44 kHz
TEMPERATURE (°C)
CURRENT FALLING
136 kHz
CURRENT RISING
Temperature
25
25
25
50
50
50
75
75
75
100
100
100
125
125
125
150
150
150