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參數(shù)資料
| 型號(hào)： | A2987 |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | 8-CHANNEL SOURCE DRIVER WITH OVER-CURRENT PROTECTION |
| 中文描述： | 8通道源驅(qū)動(dòng)器，過電流保護(hù) |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 84K |
| 代理商： | A2987 |
2987
8-CHANNEL
SOURCE DRIVER
ELECTRICAL CHARACTERISTICS at T
A
= 25
°
C, V
OE
= 2.4 V, V
S
= 35 V
(unless otherwise noted).
Limits
Min.
Typ.
Characteristic
Symbol
Test Conditions
Max.
Units
Functional Supply Range
V
S
7.0
—
35
V
Output Leakage Current
I
CEX
V
IN
= 0.4 V*
—
<-5.0
-200
μ
A
Output Sustaining Voltage
V
OUT(sus)
I
OUT
= -350 mA, L = 2.0 mH
35
—
—
V
Output Saturation Voltage
V
OUT(SAT)
V
IN
= 2.4 V, I
OUT
= -100 mA
—
1.6
1.8
V
V
IN
= 2.4 V, I
OUT
= -225 mA
—
1.7
1.9
V
V
IN
= 2.4 V, I
OUT
= -350 mA
—
1.8
2.0
V
Channel Shutdown Threshold
I
M
V
IN
= 2.4 V
-370
-500
—
mA
FAULT Leakage Current
I
CEX
V
CC
= 35 V
—
<1.0
100
μ
A
FAULT Saturation Voltage
V
CE(SAT)
I
C
= 30 mA
—
0.3
0.8
V
Input Voltage
V
IN(ON)
2.4
—
—
V
V
IN(OFF)
—
—
0.4
V
Input Current
I
IN(ON)
V
IN
= 2.4 V
—
125
170
μ
A
V
IN
= 5.0 V
—
840
1020
μ
A
V
IN
= 12 V
—
1500
1800
μ
A
I
IN(OFF)
V
IN
= 0.4 V
—
—
15
μ
A
Clamp Diode Leakage Current
I
R
V
R
= 35 V, T
A
= 70
°
C
—
—
50
μ
A
Clamp Diode Forward Voltage
V
F
I
F
= 350 mA
—
1.5
1.8
V
Supply Current
I
S(ON)
V
IN
= 2.4 V*, Outputs Open
—
13
18
mA
I
S(OFF)
V
IN
= 0.4 V*
—
8.0
12
mA
Thermal Shutdown
T
J
—
165
—
°
C
Thermal Hysteresis
T
J
—
15
—
°
C
Propagation Delay Time
t
PLH
R
L
= 100
—
0.3
0.6
μ
s
t
PHL
R
L
= 100
—
2.0
4.0
μ
s
Dead Time
t
d
—
1.0
—
μ
s
*AII inputs simultaneously.
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