UCC15701/2
UCC25701/2
UCC35701/2
TYPICAL WAVEFORMS (cont.)
VFF
CT
SYNC
UDG-98208
Figure 2. Timing diagram for oscillator waveforms showing feedforward action and synchronization.
TYPICAL CHARACTERISTIC CURVES
1000
NORMALIZED DUTY CYCLE
1.03
VFF=3.2
1.02
1.01
VFF=0.8
1.00
0.99
0.98
0.97
FREQUENCY [kHz]
100
100pF
150pF
220pF
330pF
470pF
10
20
60
100
140
RT [KΩ]
180
220
-55
-35
-15
5
25
45
65
85
105
125
TEMPERATURE [°C]
Figure 3. Oscillator frequency vs. RT and CT.
Figure 5. Normalized maximum duty cycle vs.
temperature.
Figure 4. Oscillator frequency vs. temperature.
8
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