UCC28180
SLUSBQ5A –NOVEMBER 2013–REVISED NOVEMBER 2013
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TYPICAL CHARACTERISTICS (continued)
650
630
610
590
570
550
530
510
490
470
450
50
45
40
35
30
25
20
15
10
5
VSENSE = 3 V
ICOMP = 0.72 V
FSW = 65 kHz
VCC = 15 V
CGATE = 4.7 nF
VGATE = 2 V-8 V
tOFF(min)
Rise Time
Fall Time
0
10
35
60
85
110
10
35
60
85
110
±40
±15
±40
±15
TJ ± Temperature (C)
TJ ± Temperature (C)
C015
C016
Figure 19. Minimum Off Time vs. Temperature
Figure 20. Gate Drive Rise/Fall Time vs. Temperature
50
45
40
35
30
25
20
15
10
5
2.0
TJ = 25C
CGATE = 4.7 nF
VGATE = 2 V-8 V
VCC = 15 V
IGATE = 20 mA
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
Rise Time
Fall Time
VGATE
0
10
12
14
16
18
20
22
10
35
60
85
110
±40
±15
VCC ± Bias Supply Voltage (V)
TJ ± Temperature (C)
C017
C018
Figure 21. Gate Drive Rise/Fall Time vs. Bias Supply
Voltage
Figure 22. Gate Low Voltage vs. Temperature
12
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