Figure 4.
LOAD
CURRENT
>8A
typ 6.6A
CURRENT LIMITATION
A
OVERCURRENT
L9230
CONTROL
SIGNAL
STATUS
FLAG
DETAIL A
6.6A
OVERCURRENT
DETECTION
ta
tb
ta = SWITCH_OFF TIME IN CURRENT LIMITATION
tb = CURRENT LIMITATION BLANKING TIME
D01AT475
Figure 5.
Temperature-depending current-limitation
Maximum rating for junction temperature
Overtemperature switch-off
Switch-off current in case of current limitation
For 165°C < Tj < 175°C the maximum current decreases from
for < 1s 175°C
> 175°C
6,6A ± 1,1A Tj < 165°C
Imax. = 6,6A ± 1,1A to Imax. = 2,5A ± 1,1A.
Imax
Tolerance-range
of temperature-dependent
current-reduction
6.6A
Range of
Overtemperature
switch-off
2.5A
165°C 175°C
Tj
7/25