TIL5942 Datasheet, PDF (12/19 Pages) Texas Instruments – CURRENT-MODE-PWM CONTROLLER WITH OPTOISOLATED VOLTAGE REFERENCE AND ERROR AMPLIFIER

TIL5942, TIL5942A
CURRENT-MODE-PWM CONTROLLER
WITH OPTOISOLATED VOLTAGE REFERENCE AND ERROR AMPLIFIER
SOES040 – OCTOBER 1997
TYPICAL CHARACTERISTICS
LOW-STATE OUTPUT VOLTAGE
vs
FREE-AIR TEMPERATURE
2
VCC = 17 V
1.8 _{IO = 20 mA}
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
–40 –20 0 20 40 60 80 100
TA – Free-Air Temperature – °C
Figure 18
LOW-STATE OUTPUT VOLTAGE
vs
FREE-AIR TEMPERATURE
1.5
IO = 200 mA
1.48
1.46
1.44
1.42
1.4
1.38
1.36
1.34
1.32
1.3
–40 –20 0 20 40 60 80 100
TA – Free-Air Temperature – °C
Figure 19
16.25
16.2
PWM TURN-ON THRESHOLD VOLTAGE
vs
FREE-AIR TEMPERATURE
IO = 200 mA
16.15
16.1
16.05
16
15.95
15.9
15.85
15.8
15.75
–40 –20 0 20 40 60 80 100
TA – Free-Air Temperature – °C
Figure 20
10.25
PWM TURN-OFF THRESHOLD VOLTAGE
vs
FREE-AIR TEMPERATURE
10.2
10.15
10.1
10.05
10
9.95
9.9
9.85
9.8
9.75
–40 –20 0 20 40 60 80 100
TA – Free-Air Temperature – °C
Figure 21
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