NCP1050, NCP1051, NCP1052, NCP1053, NCP1054, NCP1055
46
OSCILLATOR FREQUENCY (kHz)
OSCILLATOR FREQUENCY (kHz)
V
CC
= V
CC(on)
45
44
V
CC
= V
CC(off)
43
42
41
40
−50 −25
104
V
CC
= V
CC(on)
102
100
98
V
CC
= V
CC(off)
96
94
92
−50 −25
0
25
50
75
100
125
150
0
25
50
75
100
125
150
TEMPERATURE (°C)
TEMPERATURE (°C)
Figure 5. Oscillator Frequency (A Suffix)
versus Temperature
Figure 6. Oscillator Frequency (B Suffix)
versus Temperature
142
OSCILLATOR FREQUENCY (kHz)
FREQUENCY SWEEP (kHz)
140
138
136
134
132
130
128
126
124
−50 −25
0
25
50
75
100
125
150
V
CC
= V
CC(off)
V
CC
= V
CC(on)
9
8
136 kHz
7
6
5
4
3
2
1
0
−50 −25
0
25
50
75
100
125
150
44 kHz
100 kHz
TEMPERATURE (°C)
TEMPERATURE (°C)
Figure 7. Oscillator Frequency (C Suffix)
versus Temperature
SINK CONTROL CURRENT THRESHOLD (mA)
Figure 8. Frequency Sweep versus
Temperature
77.6
MAXIMUM DUTY CYCLE (%)
77.4
77.2
77.0
76.8
76.6
76.4
76.2
−50 −25
0
25
50
75
100
125
150
55
CURRENT RISING
50
45
40
CURRENT FALLING
35
30
−50 −25
0
25
50
75
100
125
150
TEMPERATURE (°C)
TEMPERATURE (°C)
Figure 9. Maximum Duty Cycle versus
Temperature
Figure 10. Lower Window Control Input
Current Thresholds versus Temperature
http://onsemi.com
10
ONSEMI [ ON SEMICONDUCTOR ]
