Datasheet

   
   
SLUS517C − DECEMBER 2002 − REVISED SEPTEMBER 2005
26
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TYPICAL CHARACTERISTICS
Figure 16
−50 −25 0 25 50 75 100 125
0
2
4
6
8
7
5
3
1
PWM UVLO2 THRESHOLDS
vs
TEMPERATURE (UCC28510/1/4/5)
UVLO2 Threshold − V
UVLO2 Hysteresis
UVLO2 Off
UVLO2 On
Temperature − °C
Figure 17
−50 −25 0 25 50 75 100 125
0
1
2
4
5
7
8
3
6
PWM UVLO2 THRESHOLDS
vs
TEMPERATURE (UCC28512/3/6/7)
Temperature − °C
UVLO Hysteresis
UVLO Off
UVLO On
UVLO2 Threshold − V
Figure 18
OSCILLATOR FREQUENCY
vs
RT
f - Oscillator Frequency − kHz
10 100 100
0
0
100
1000
RT − Timing Resistor − kΩ
Figure 19
10 100 100
0
0
400
800
700
600
500
300
200
100
OSCILLATOR FREQUENCY
vs
RT OVER VCC (11 V TO 15 V) (−40°C TO 105°C)
f - Oscillator Frequency − kHz
RT − Timing Resistor − kΩ