NCP1050, NCP1051, NCP1052, NCP1053, NCP1054, NCP1055
www.onsemi.com
10
TYPICAL CHARACTERISTICS
Figure 5. Oscillator Frequency
(44 kHz Version) versus Temperature
−25 25 50 150125−50 0 75 100
TEMPERATURE (°C)
40
41
42
43
44
45
46
OSCILLATOR FREQUENCY (kHz)
Figure 6. Oscillator Frequency
(100 kHz Version) versus Temperature
−25 25 50 150125−50 0 75 100
TEMPERATURE (°C)
92
94
96
100
102
104
OSCILLATOR FREQUENCY (kHz)
Figure 7. Oscillator Frequency
(136 kHz Version) versus Temperature
−25 25 50 150125−50 0 75 100
TEMPERATURE (°C)
124
126
OSCILLATOR FREQUENCY (kHz)
Figure 8. Frequency Sweep versus
Temperature
−25 25 50 150125−50 0 75 100
0
3
TEMPERATURE (°C)
4
5
6
7
8
9
FREQUENCY SWEEP (kHz)
V
CC
= V
CC(on)
98
128
130
132
134
136
138
140
136 kHz
Figure 9. Maximum Duty Cycle versus
Temperature
Figure 10. Lower Window Control Input
Current Thresholds versus Temperature
100 kHz
44 kHz
142
−25 25 50 150125−50 0 75 100
76.2
76.4
TEMPERATURE (°C)
76.6
76.8
77.0
77.2
77.4
77.6
MAXIMUM DUTY CYCLE (%)
−25 25 50 150125−50 0 75 100
35
TEMPERATURE (°C)
40
55
SINK CONTROL CURRENT THRESHOLD (A)
45
50
CURRENT RISING
CURRENT FALLING
V
CC
= V
CC(off)
V
CC
= V
CC(on)
V
CC
= V
CC(off)
V
CC
= V
CC(on)
V
CC
= V
CC(off)
2
1
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