Datasheet

VND5T016ASP-E Electrical specifications
Doc ID 022687 Rev. 3 13/31
V
SENSE
Max analog sense
output voltage
I
OUT
=20A; R
SENSE
=3.9KΩ 5V
V
SENSEH
Analog sense
output voltage in
fault condition
(2)
V
CC
=24V; R
SENSE
=3.9KΩ 8V
I
SENSEH
Analog sense
output current in
fault condition
(2)
V
CC
=24V; V
SENSE
=5V 9 12 mA
t
DSENSE2H
Delay response
time from rising
edge of INPUT
pin
V
SENSE
<4V;
0.5 A < I
OUT
<20A;
I
SENSE
=90% of I
SENSE max
(see Figure 7)
300 600 µs
Δt
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
= 5A (see Figure 10)
450 µs
t
DSENSE2L
Delay response
time from falling
edge of INPUT
pin
V
SENSE
<4V;
0.5 A < I
OUT
<20A; I
SENSE
=10%
of I
SENSE max
(see Figure 7)
520µs
1. Parameter guaranteed by design; it is not tested.
2. Fault condition includes: power limitation, overtemperature and open load in OFF-state condition.
Table 10. Openload detection (FR_Stby = 5 V)
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
OL
Openload Off State
voltage detection
threshold
V
IN
=0V; 8V<V
CC
<36V 2 4 V
t
DSTKON
Output short circuit to
VCC detection delay at
turn off
See Figure 8. 180 1800 µs
I
L(off2)
Off state output current
at V
OUT
=4V
V
IN
=0V; V
SENSE
=0V;
V
OUT
rising from 0 V to 4 V
-120 0 µA
t
d_vol
Delay response from
output rising edge to
V
SENSE
rising edge in
openload
V
OUT
=4V; V
IN
=0V;
V
SENSE
= 90% of V
SENSEH
R
SENSE
=3.9KΩ
20 µs
t
DFRSTK_ON
Output short circuit to
V
CC
detection delay at
FR_Stby activation
See Figure 6;
Input
1,2
=low
50 µs
Table 9. Current sense (8 V < V
CC
< 36 V) (continued)
Symbol Parameter Test conditions Min. Typ. Max. Unit