Datasheet

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CURRENT-SENSE THRESHOLD VOLTAGE
vs
TEMPERATURE
V
CS_th
− Current Sense Threshold − V
0.90
0.95
1.00
1.05
1.10
−50 −25 0 25 50 75 100 125
T
J
− Temperature − °C
MAXIMUM DUTY CYCLE
vs
TEMPERATURE
Output Rise and Fall TIme − ns
45
50
46
47
48
49
−50 −25 0 25 50 75 100 125
UCC28C41
UCC28C44
UCC28C45
T
J
− Temperature − °C
t
D
− CS to OUT Delay Time − ns
CS TO OUT DELAY TIME
vs
TEMPERATURE
30
−50 −25 0 25 50 75 100 125
35
70
65
60
55
45
40
50
T
J
− Temperature − °C
UCC28C4x-EP
BiCMOS LOW-POWER CURRENT-MODE PWM CONTROLLERS
SGLS352B – DECEMBER 2006 – REVISED MAY 2007
APPLICATION INFORMATION (continued)
Figure 22. Figure 23.
Figure 24.
16
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