參數資料
型號: A2557KB
廠商: Allegro MicroSystems, Inc.
英文描述: PROTECTED QUAD LOW-SIDE DRIVER WITH FAULT DETECTION & SLEEP MODE
中文描述: 保護四低側驅動與故障檢測
文件頁數: 3/12頁
文件大?。?/td> 176K
代理商: A2557KB
2557
PROTECTED QUAD DRIVER
WITH FAULT DETECTION
& SLEEP MODE
www.allegromicro.com
3
Limits
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Output Leakage Current*
I
CEX
V
O
= 60 V, V
I
= 0.8 V, V
OE
= 2.0 V
30
100
μ
A
V
O
= 60 V, V
I
= 2.0 V, V
OE
= 0.8 V
<1.0
100
μ
A
Output Sustaining Voltage
V
O(SUS)
I
O
= 100 mA, V
I
= V
OE
= 0.8 V, V
CC
= Open
40
V
Output Saturation Voltage
V
O(SAT)
I
O
= 100 mA
65
200
mV
I
O
= 300 mA
180
300
mV
Over-Current Limit
I
OM
5 ms PulseTest, V
O
= 5.0 V
500
mA
Input Voltage
V
IH
IN
n
or ENABLE
2.0
V
V
IL
IN
n
or ENABLE
0.8
V
Input Current
I
IH
IN
n
or ENABLE, V
IH
= 2.0 V
10
μ
A
I
IL
IN
n
or ENABLE, V
IL
= 0.8 V
-10
μ
A
Fault Output Leakage Current
I
FLT
V
FLT
= 60 V
4.0
15
μ
A
V
FLT
= 5 V
<1.0
2.0
μ
A
Fault Output Current
I
FLT
V
FLT
=
5 V, Driver Output Open,
V
I
= 0.8 V, V
OE
= 2.0 V
I
FLT
= 30
μ
A
40
60
80
μ
A
Fault Output Saturation Voltage
V
FLT(SAT)
0.1
0.4
V
Clamp Diode Forward Voltage
V
F
I
F
= 500 mA
1.2
1.7
V
I
F
= 750 mA
1.5
2.1
V
Clamp Diode Leakage Current
I
R
V
R
= 60 V
50
μ
A
Turn-On Delay
t
PHL
I
O
= 300 mA, 50% V
I
to 50% V
O
0.6
10
μ
s
From Sleep, I
O
= 300 mA, 50% V
I
to 50% V
O
3.0
μ
s
I
O
= 300 mA, 50% V
OE
to 50% V
O
1.3
10
μ
s
Turn-Off Delay
t
PLH
I
O
= 300 mA, 50% V
I
to 50% V
O
2.0
10
μ
s
I
O
= 300 mA, 50% V
OE
to 50% V
O
1.4
10
μ
s
Total Supply Current
I
CC
All Outputs Off
0.075
0.1
mA
Any One Output On
12
20
mA
Two Outputs On
18
30
mA
Three Outputs On
24
40
mA
All Outputs On
30
50
mA
Thermal Limit
T
J
165
°
C
ELECTRICAL CHARACTERISTICS
over operating temperature range, V
CC
= 4.75 V to 5.25 V
Typical Data is at T
A
= +25
°
C and V
CC
= 5 V and is for design information only.
Negative current is defined as coming out of (sourcing) the specified terminal.
As used here, -100 is defined as greater than +10 (absolute magnitude convention) and the minimum is implicitly zero.
* Measurement includes output fault-sensing pull-down current.
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