TIL5942 Datasheet, PDF (9/19 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
LED FORWARD VOLTAGE
vs
FREE-AIR TEMPERATURE
1.35
II(LED) = 10 mA
1.3
1.25
1.2
1.15
1.1
1.05
1
0.95
–40 –20 0 20 40 60 80 100
TA – Free-Air Temperature – °C
Figure 6
INPUT REFERENCE VOLTAGE
vs
FREE-AIR TEMPERATURE
3
2.9 ^{II(LED) = 10 mA}
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2
–40 –20 0 20 40 60 80 100
TA – Free-Air Temperature – °C
Figure 7
FEEDBACK INPUT CURRENT
vs
FREE-AIR TEMPERATURE
1.8
II(LED) = 10 mA
1.6 _{R = 10 kΩ}
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 8
ON-STATE SUPPLY CURRENT
vs
FREE-AIR TEMPERATURE
14.2
VCC = 17 V
14
13.8
13.6
13.4
13.2
13
12.8
12.6
12.4
–40 –20 0 20 40 60 80 100
TA – Free-Air Temperature – °C
Figure 9
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