Datasheet

Electrical specifications VND5T035AK-E
12/31 Doc ID 018942 Rev 5
Table 9. Current sense (8 V < V
CC
<36V)
Symbol Parameter Test conditions Min. Typ. Max. Unit
K
1
I
OUT
/I
SENSE
I
OUT
= 1 A; V
SENSE
= 2 V;
T
j
= -40°C...150°C
T
j
= 25°C...150°C
1952
2080
2960
4150
3840
dK
1
/K
1
(1)
1. Parameter guaranteed by design; it is not tested.
Current sense ratio drift
I
OUT
= 1 A; V
SENSE
= 2 V;
T
j
= -40°C to 150°C
-15 15 %
K
2
I
OUT
/I
SENSE
I
OUT
= 3 A; V
SENSE
= 4 V;
T
j
= -40°C...150°C
T
j
= 25°C...150°C
2490
2585
2930
3440
3265
dK
2
/K
2
(1)
Current sense ratio drift
I
OUT
= 3 A; V
SENSE
= 4 V;
T
j
= -40°C to 150°C
-10 +10 %
K
3
I
OUT
/I
SENSE
I
OUT
= 12 A; V
SENSE
= 4 V;
T
j
= -40°C...150°C
T
j
= 25°C...150°C
2770
2755
2900
3125
3045
dK
3
/K
3
(1)
Current sense ratio drift
I
OUT
= 12 A; V
SENSE
= 4 V;
T
j
= -40°C to 150°C
-5 5 %
I
SENSE0
Analog sense leakage
current
I
OUT
= 0 A; V
SENSE
= 0 V;
V
IN
= 0 V; T
j
= -40°C...150°C
01µA
I
OUT
= 0 A; V
SENSE
= 0 V;
V
IN
= 5 V; T
j
= -40°C...150°C
02µA
V
SENSE
Max analog sense output
voltage
I
OUT
= 12 A; R
SENSE
=3.9KΩ 5V
V
SENSEH
Analog sense output
voltage in fault
condition
(2)
2. Fault condition includes: power limitation, overtemperature and open load in off-state condition.
V
CC
=24V; R
SENSE
= 3.9 KΩ 7.5 8.5 9.5 V
I
SENSEH
Analog sense output
current in fault condition
(2)
V
CC
= 24 V; V
SENSE
= 5 V 4.9 9 12 mA
t
DSENSE2H
Delay response time
from rising edge of
INPUT pins
V
SENSE
<4V;
0.2 A < I
OUT
<12A;
I
SENSE
=90% of I
SENSE max
;
(see Figure 6)
200 400 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
= 3 A (see Figure 10)
250 µs
t
DSENSE2L
Delay response time
from falling edge of
INPUT pins
V
SENSE
<4V;
0.2 A < I
OUT
<12A;
I
SENSE
=10% of I
SENSE max
;
(see Figure 6)
520µs