TIL5942 Datasheet, PDF (10/19 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
PWM REFERENCE VOLTAGE
vs
FREE-AIR TEMPERATURE
5.05
VCC = 17 V
5.04 _{IO = 10 mA}
5.03
5.02
5.01
5
4.99
4.98
4.97
4.96
4.95
–40 –20 0 20 40 60 80 100
TA – Free-Air Temperature – °C
Figure 10
12.53
PWM REGULATOR VOLTAGE
vs
FREE-AIR TEMPERATURE
VCC = 17 V
12.52
12.51
12.5
12.49
12.48
–40 –20 0 20 40 60 80 100
TA – Free-Air Temperature – °C
Figure 11
PWM RELATIVE OSCILLATOR FREQUENCY
vs
FREE-AIR TEMPERATURE
1.025
VCC = 17 V
1.02
1.015
1.01
1.005
1
0.995
0.99
–40 –20 0 20 40 60 80 100
TA – Free-Air Temperature – °C
Figure 12
INTEGRATING CAPACITOR CURRENT
vs
FREE-AIR TEMPERATURE
0
–1
–2
–3
–4
–5
–6
–7
–8
–40 –20 0 20 40 60 80 100
TA – Free-Air Temperature – °C
Figure 13
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