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參數(shù)資料
| 型號(hào)： | L298 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | DUAL FULL-BRIDGE DRIVER |
| 中文描述： | 雙全橋驅(qū)動(dòng)器 |
| 文件頁數(shù)： | 4/13頁 |
| 文件大?。?/td> | 185K |
| 代理商： | L298 |
Figure1 :
Typical SaturationVoltagevs. Output
Current.
Figure2 :
Switching Times TestCircuits.
Note :
For INPUT Switching, set EN = H
For ENABLESwitching, set IN = H
1) 1)Sensing voltage can be –1 V fort
≤
50
μ
sec; insteady stateV
sens
min
≥
–0.5 V.
2) See fig.2.
3) See fig.4.
4) The loadmust be a pureresistor.
ELECTRICAL CHARACTERISTICS
(continued)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
T
1
(V
i
)
Source Current Turn-off Delay
0.5 V
i
to 0.9I
L
(2);(4)
1.5
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
KHz
T
2
(V
i
)
Source Current Fall Time
0.9 I
L
to 0.1 I
L
(2);(4)
0.2
T
3
(V
i
)
Source Current Turn-on Delay
0.5 V
i
to 0.1I
L
(2);(4)
2
T
4
(V
i
)
Source Current Rise Time
0.1 I
L
to 0.9 I
L
(2);(4)
0.7
T
5
(V
i
)
Sink Current Turn-offDelay
0.5 V
i
to 0.9I
L
(3);(4)
0.7
T
6
(V
i
)
Sink Current Fall Time
0.9 I
L
to 0.1 I
L
(3);(4)
0.25
T
7
(V
i
)
Sink Current Turn-onDelay
0.5 V
i
to 0.9I
L
(3);(4)
1.6
T
8
(V
i
)
Sink Current Rise Time
0.1 I
L
to 0.9 I
L
(3);(4)
0.2
fc (V
i
)
T
1
(V
en
)
Commutation Frequency
I
L
= 2A
0.5 V
en
to 0.9 I
L
25
40
Source Current Turn-off Delay
(2); (4)
3
μ
s
T
2
(V
en
)
Source Current Fall Time
0.9 I
L
to 0.1 I
L
(2);(4)
1
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
T
3
(V
en
)
Source Current Turn-on Delay
0.5 V
en
to 0.1 I
L
(2); (4)
0.3
T
4
(V
en
)
Source Current Rise Time
0.1 I
L
to 0.9 I
L
(2);(4)
0.4
T
5
(V
en
)
Sink Current Turn-offDelay
0.5 V
en
to 0.9 I
L
(3); (4)
2.2
T
6
(V
en
)
Sink Current Fall Time
0.9 I
L
to 0.1 I
L
(3);(4)
0.35
T
7
(V
en
)
Sink Current Turn-onDelay
0.5 V
en
to 0.9 I
L
(3); (4)
0.25
T
8
(V
en
)
Sink Current Rise Time
0.1 I
L
to 0.9 I
L
(3);(4)
0.1
L298
4/13
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