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參數(shù)資料
| 型號(hào)： | L9925 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | DMOS DUAL FULL BRIDGE DRIVER |
| 中文描述： | 偶的DMOS全橋驅(qū)動(dòng)器 |
| 文件頁數(shù)： | 4/9頁 |
| 文件大?。?/td> | 81K |
| 代理商： | L9925 |
Logic Levels
All inputsare positive, non inverting logic
Logic State
Voltage Range
0
-0.3 to 1.5V
1
3.5 to 6.0V
TruthTable
Enable/ Disable
EN1
EN0
Bridge 1
Bridge 2
Iq
0
0
Disabled
Disabled
<200
μ
A
<12mA
0
1
Disabled
Enabled
1
0
Enabled
Disabled
<12mA
1
1
Enabled
Enabled
<12mA
GeneralOperation
With the bridge enabled, each input INx, maps di-
rectlyto thecorrespondingoutput OUTx.
The output voltage will be equal to the difference
between the supply rail and the product of the
load current ad the on resistance of the output
switch.V
out
= V
supply
- (R
DS,ON
I
LOAD
).
Sourcedload currentsare positive.
IN1
OUT1
IN2
OUT2
IN3
OUT3
IN4
OUT4
0
0
0
0
0
0
0
0
1
V
S
1
V
S
1
VS
1
VS
t
r
t
dOFF
t
f
t
f
t
r
10%
t
dSB
OUT1
IN2
IN1
EN1
EN2
OUT2
t
dSB
t
dSB
D99AT425
STANDBY MODE
OPERATING MODE
OVERTEMPERATURE
STANDBY MODE
t
dOFF
t
dSB
t
dON
t
dON
90%
50%
Tristate
Tristate
Tristate
Tristate
Tristate
Tristate
Figure 1.
Timing Diagram
-40
1
2
D99AT426
RON
(
)
V
VS
=6V
V
VS
=12V
-20
0
20
40
60
80
100 120 140 160
T(
°
C)
Figure 2.
Typical R
ON
- Characteristicsof Source
and Sink Stage
6
1.5
0.75
0.9
1.9
D99AT427
RON
(
)
max for T
J
≤
125
°
C
I
OUT1/2
=
±
0.3A
typ. for T
J
=25
°
C
12
16.5
V
VS
(V)
Figure3.
ON - Resistance vs SupplyVoltage
L9925
4/9
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