UCC28C4X-EP Datasheet, PDF (16/24 Pages) Texas Instruments – BiCMOS LOW-POWER CURRENT-MODE PWM CONTROLLERS

UCC28C4x-EP
BiCMOS LOW-POWER CURRENT-MODE PWM CONTROLLERS
SGLS352B – DECEMBER 2006 – REVISED MAY 2007
APPLICATION INFORMATION (continued)
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MAXIMUM DUTY CYCLE
vs
TEMPERATURE
50
UCC28C41
UCC28C44
UCC28C45
49
CURRENT-SENSE THRESHOLD VOLTAGE
vs
TEMPERATURE
1.10
1.05
48
1.00
47
0.95
46
45
−50 −25
0
25 50 75
T_J − Temperature − °C
Figure 22.
70
100 125
0.90
−50 −25
CS TO OUT DELAY TIME
vs
TEMPERATURE
0
25 50 75 100 125
T_J − Temperature − °C
Figure 23.
65
60
55
50
45
40
35
30
−50 −25
0
25 50 75 100 125
T_J − Temperature − °C
Figure 24.
16
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