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A2557KB Datasheet(PDF) 4 Page - Allegro MicroSystems

Part # A2557KB
Description  PROTECTED QUAD LOW-SIDE DRIVER WITH FAULT DETECTION and SLEEP MODE
PDF  12 Pages
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Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

A2557KB Datasheet(HTML) 4 Page - Allegro MicroSystems

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2557
PROTECTED QUAD DRIVER
WITH FAULT DETECTION
& SLEEP MODE
www.allegromicro.com
4
Limits
Characteristic
Symbol
Test Conditions
Min. Typ.
Max.
Units
Output Leakage Current*
ICEX
VO = 60 V, VI = 0.8 V, VOE = 2.0 V
—
30
100
µA
VO = 60 V, VI = 2.0 V, VOE = 0.8 V
—
<1.0
100
µA
Output Sustaining Voltage
VO(SUS)
IO = 100 mA, VI = VOE = 0.8 V, VCC = Open
40
—
—
V
Output Saturation Voltage
VO(SAT)
IO
V
m
0
0
2
5
6
—
A
m
0
0
1
=
IO
V
m
0
0
3
0
8
1
—
A
m
0
0
3
=
Over-Current Limit
IOM
5 ms PulseTest, VO
A
m
—
0
0
5
—
V
0
.
5
=
V
e
g
a
tl
o
V
t
u
p
n
I
IH
INn
V
—
—
0
.
2
E
L
B
A
N
E
r
o
VIL
INn
V
8
.
0
—
—
E
L
B
A
N
E
r
o
I
t
n
e
r
r
u
C
t
u
p
n
I
IH
INn or ENABLE, VIH
0
1
—
—
V
0
.
2
=
µA
IIL
INn or ENABLE, VIL
0
1
-
—
—
V
8
.
0
=
µA
Fault Output Leakage Current
IFLT
VFLT
5
1
0
.
4
—
V
0
6
=
µA
VFLT
0
.
2
0
.
1
<
—
V
5
=
µA
Fault Output Current
IFLT
VFLT = 5 V, Driver Output Open,
VI = 0.8 V, VOE
0
8
0
6
0
4
V
0
.
2
=
µA
Fault Output Saturation Voltage
VFLT(SAT)
IFLT = 30 µ
V
4
.
0
1
.
0
—
A
Clamp Diode Forward Voltage
VF
IF
V
7
.
1
2
.
1
—
A
m
0
0
5
=
IF
V
1
.
2
5
.
1
—
A
m
0
5
7
=
Clamp Diode Leakage Current
IR
VR
0
5
—
—
V
0
6
=
µA
t
y
a
l
e
D
n
O
-
n
r
u
T
PHL
IO = 300 mA, 50% VI to 50% VO
—
0.6
10
µs
From Sleep, IO = 300 mA, 50% VI to 50% VO
—
3.0
—
µs
IO = 300 mA, 50% VOE to 50% VO
—
1.3
10
µs
t
y
a
l
e
D
ff
O
-
n
r
u
T
PLH
IO = 300 mA, 50% VI to 50% VO
—
2.0
10
µs
IO = 300 mA, 50% VOE to 50% VO
—
1.4
10
µs
Total Supply Current
ICC
A
m
1
.
0
5
7
0
.
0
—
ff
O
s
t
u
p
t
u
O
ll
A
A
m
0
2
2
1
—
n
O
t
u
p
t
u
O
e
n
O
y
n
A
A
m
0
3
8
1
—
n
O
s
t
u
p
t
u
O
o
w
T
A
m
0
4
4
2
—
n
O
s
t
u
p
t
u
O
e
e
r
h
T
A
m
0
5
0
3
—
n
O
s
t
u
p
t
u
O
ll
A
T
ti
m
i
L
l
a
m
r
e
h
T
J
—
165
—
°C
ELECTRICAL CHARACTERISTICS over operating temperature range, VCC = 4.75 V to 5.25 V
Typical Data is at TA = +25°C and VCC = 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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