L6384
Figure 4. Bootstrap Driver
D
BOOT
V
S
V
BOOT
H.V.
HVG
C
BOOT
V
OUT
TO LOAD
LVG
V
S
V
BOOT
H.V.
HVG
C
BOOT
V
OUT
TO LOAD
LVG
a
b
D99IN1067
Figure 5. Dead Time vs. Resistance.
3.5
Figure 7. Driver Propagation Delay vs.
Temperature.
400
@ Vcc = 14.4V
3.0
2.5
@ Vcc = 14.4V
300
Ton,Toff(ns)
Typ.
2.0
Typ.
@ Rdt = 47kOhm
dt (
µ
s)
1.5
1.0
0.5
0.0
50
100
150
200
250
300
200
Typ.
Typ.
100
@ Rdt = 270kOhm
@ Rdt = 146kOhm
0
-45
-25
0
25 50
Tj (°C)
75
100 125
Rdt (kOhm)
Figure 6. Dead Time vs. Temperature.
3
2.5
2
dt (us)
1.5
Typ.
Typ.
Figure 8. Shutdown Threshold vs. Temperature
1
R=270K
0.8
@ Vcc = 14.4V
@ Vcc = 14.4V
Vdt (V)
0.6
0.4
0.2
Typ.
R=146K
Typ.
1
0.5
R=47K
-25
0
25
50
Tj (°C)
75
100
125
0
-45
0
-45
-25
0
25
50
Tj (°C)
75
100
125
6/10
STMICROELECTRONICS [ STMICROELECTRONICS ]
