Datasheet

Electrical specifications VNQ5E160AK-E
12/37
I
SENSEH
(2)
Analog sense output
current in fault
condition
(2)
V
CC
= 13V; V
SENSE
= 5 V; 9 mA
t
DSENSE1H
Delay response time
from falling edge of
CS_DIS pin
V
SENSE
<4V, 0.025A<Iout<1.5A
I
SENSE
=90% of I
SENSEMAX
(see Figure 4)
40 100 µs
t
DSENSE1L
Delay response time
from rising edge of
CS_DIS pin
V
SENSE
<4V, 0.025A<Iout<1.5A
I
SENSE
=10% of I
SENSEMAX
(see Figure 4)
520µs
t
DSENSE2H
Delay response time
from rising edge of
INPUT pin
V
SENSE
<4V, 0.025A<Iout<1.5A
I
SENSE
=90% of I
SENSEMAX
(see Figure 4.)
120 300 µs
t
DSEN SE 2H
Delay response time
between rising edge of
output current and rising
edge of current sense
V
SENSE
<4V,
I
SENSE
= 90% of I
SENSEMAX,
I
OUT
= 90% of I
OUTMAX
I
OUTMAX
=1.5A (see Figure 7)
110 µs
t
DSENSE2L
Delay response time
from falling edge of
INPUT pin
V
SENSE
<4V, 0.025A<Iout<1.5A
I
SENSE
=10% of I
SENSEMAX
(see Figure 4.)
80 250 µs
1. Parameter guaranteed by design; it is not tested
2. Fault condition includes: power limitation, overtemperature and open load off state detection.
Table 10. Openload detection (8V<V
CC
<18V)
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
OL
Openload off state
voltage detection
threshold
24V
t
DSTKON
Output short circuit to
V
CC
detection delay at
turn off
See Figure 5. 180 1200 µs
I
L(off2)r
Off state output current
at V
OUT
= 4V
V
IN
= 0 V; V
SENSE
= 0 V
V
OUT
rising from 0 V to 4 V
-120 0 µA
I
L(off2)f
Off state output current
at V
OUT
= 2V
V
IN
= 0 V; V
SENSE
= V
SENSEH
V
OUT
falling from V
CC
to 2V
-50 90 µA
td_vol
Delay response from
output rising edge to
V
SENSE
rising edge in
openload
V
OUT
= 4 V; V
IN
= 0 V
V
SENSE
= 90% of V
SENSEH
20 µs
Table 9. Current sense (8V<V
CC
<18V) (continued)
Symbol Parameter Test conditions Min. Typ. Max. Unit