NCL30001
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9
Figure 3. Oscillator Frequency (f
OSC
) vs.
Junction Temperature
6.0
6.5
7.0
7.5
8.0
−50 −25 0 25 50 75 100 125 150
Figure 4. Oscillator Frequency Modulation in
Percentage of f
OSC
vs. Junction Temperature
T
J
, JUNCTION TEMPERATURE (°C)
6.0
6.5
7.0
7.5
8.0
−50 −25 0 25 50 75 100 125 150
T
J
, JUNCTION TEMPERATURE (°C)
Figure 5. Oscillator Frequency Modulation
Period vs. Junction Temperature
3.8
3.85
3.9
3.95
4.0
4.05
4.1
−50 −25 0 25 50 75 100 125 150
T
J
, JUNCTION TEMPERATURE (°C)
Figure 6. Ramp Peak Voltage vs. Junction
Temperature
V
CT(peak)
, OSCILLATOR RAMP PEAK
VOLTAGE (V)
90
92
94
96
98
100
−50 −25 0 25 50 75 100 125 150
D, MAXIMUM DUTY RATIO (%)
Figure 7. Maximum Duty Ratio vs. Junction
Temperature
T
J
, JUNCTION TEMPERATURE (°C)
−50 −25 0 25 50 75 100 125 150
3.8
3.85
3.9
3.95
4.0
4.05
4.1
T
J
, JUNCTION TEMPERATURE (°C)
V
COMP(peak)
, RAMP COMP PEAK VOLTAGE (V)
Figure 8. Ramp Compensation Peak Voltage
vs. Junction Temperature
90
95
100
105
110
−50 −25 0 25 50 75 100 125 150
T
J
, JUNCTION TEMPERATURE (°C)
f
OSC
, OSCILLATOR FREQUENCY (kHz)OSCILLATOR FREQUENCY MODULATION PERIOD (ms)
OSCILLATOR FREQUENCY
MODULATION (%)