L298
ELECTRICAL CHARACTERISTICS
(continued)
Symbol
T
1
(V
i
)
T
2
(V
i
)
T
3
(V
i
)
T
4
(V
i
)
T
5
(V
i
)
T
6
(V
i
)
T
7
(V
i
)
T
8
(V
i
)
fc (V
i
)
T
1
(V
en
)
T
2
(V
en
)
T
3
(V
en
)
T
4
(V
en
)
T
5
(V
en
)
T
6
(V
en
)
T
7
(V
en
)
T
8
(V
en
)
Parameter
Source Current Turn-off Delay
Source Current Fall Time
Source Current Turn-on Delay
Source Current Rise Time
Sink Current Turn-off Delay
Sink Current Fall Time
Sink Current Turn-on Delay
Sink Current Rise Time
Commutation Frequency
Source Current Turn-off Delay
Source Current Fall Time
Source Current Turn-on Delay
Source Current Rise Time
Sink Current Turn-off Delay
Sink Current Fall Time
Sink Current Turn-on Delay
Sink Current Rise Time
Test Co nditions
0.5 V
i
to 0.9 I
L
0.9 I
L
to 0.1 I
L
0.5 V
i
to 0.1 I
L
0.1 I
L
to 0.9 I
L
0.5 V
i
to 0.9 I
L
0.9 I
L
to 0.1 I
L
0.5 V
i
to 0.9 I
L
0.1 I
L
to 0.9 I
L
I
L
= 2A
0.5 V
en
to 0.9 I
L
0.9 I
L
to 0.1 I
L
0.5 V
en
to 0.1 I
L
0.1 I
L
to 0.9 I
L
0.5 V
en
to 0.9 I
L
0.9 I
L
to 0.1 I
L
0.5 V
en
to 0.9 I
L
0.1 I
L
to 0.9 I
L
(2); (4)
(2); (4)
(2); (4)
(2); (4)
(3); (4)
(3); (4)
(3); (4)
(3); (4)
(2); (4)
(2); (4)
(2); (4)
(2); (4)
(3); (4)
(3); (4)
(3); (4)
(3); (4)
Min .
Typ .
1.5
0.2
2
0.7
0.7
0.25
1.6
0.2
25
3
1
0.3
0.4
2.2
0.35
0.25
0.1
40
Max.
Unit
µs
µ
s
µs
µ
s
µ
s
µ
s
µ
s
µs
KHz
µs
µ
s
µs
µ
s
µs
µ
s
µ
s
µ
s
1) 1)Sensing voltage can be –1 V for t
≤
50
µ
sec; in steady state V
sens
min
≥
– 0.5 V.
2) See fig. 2.
3) See fig. 4.
4) The load must be a pure resistor.
Figure 1 :
Typical Saturation Voltage vs. Output
Current.
Figure 2 :
Switching Times Test Circuits.
Note :
For INPUT Switching, set EN = H
For ENABLESwitching, set IN = H
4/13
STMICROELECTRONICS [ STMICROELECTRONICS ]
