參數(shù)資料
型號(hào)： A3984SLP-T
廠商： Allegro MicroSystems, Inc.
英文描述： DMOS Microstepping Driver with Translator
中文描述： 的DMOS微步驅(qū)動(dòng)器，帶有翻譯
文件頁數(shù)： 3/13頁
文件大?。?/td> 350K
代理商： A3984SLP-T
3
26184.30A
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
A3984
DMOS Microstepping Driver with Translator
ELECTRICAL CHARACTERISTICS
1
at T
A
= 25°C, V
BB
= 35 V (unless otherwise noted)
1
Negative current is defined as coming out of (sourcing from) the specified device pin.
2
Typical data are for initial design estimations only, and assume optimum manufacturing and application conditions. Performance may vary for
individual units, within the specified maximum and minimum limits.
3
err
I
= (I
Trip
–
I
Prog
)
I
Prog
, where I
Prog
= %I
TripMAX
I
TripMAX
.
Characteristics
Symbol
Test Conditions
Min.
Typ.
2
Max.
Units
Output Drivers
Load Supply Voltage Range
V
BB
Operating
During Sleep Mode
Operating
Source Driver, I
OUT
= –1.5 A
Sink Driver, I
OUT
= 1.5 A
Source Diode, I
F
= –1.5 A
Sink Diode, I
F
= 1.5 A
f
PWM
< 50 kHz
Operating, outputs disabled
Sleep Mode
f
PWM
< 50 kHz
Outputs off
Sleep Mode
8
0
–
–
–
35
35
5.5
0.450
0.370
1.2
1.2
4
2
10
8
5
10
V
V
V
Ω
Ω
V
V
mA
mA
μ
A
mA
mA
μ
A
Logic Supply Voltage Range
V
DD
3.0
–
–
–
–
–
–
–
–
–
–
Output On Resistance
R
DSON
0.350
0.300
–
–
–
–
–
–
–
–
Body Diode Forward Voltage
V
F
Motor Supply Current
I
BB
Logic Supply Current
I
DD
Control Logic
Logic Input Voltage
V
IN(1)
V
IN(0)
I
IN(1)
I
IN(0)
MS2
V
HYS(IN)
t
BLANK
V
DD
×
0.7
–
–20
–20
–
–
V
–
V
DD
×
0.3
20
20
V
μ
A
μ
A
Logic Input Current
V
IN
= V
DD
×
0.7
V
IN
=
V
DD
×
0.3
<1.0
<1.0
Microstep Select 2
Input Hysteresis
Blank Time
–
50
300
1
30
30
–
0
–
–
–
475
–
k
Ω
mV
μ
s
μ
s
μ
s
V
μ
A
%
%
%
ns
150
0.7
20
23
0
–3
–
–
–
100
500
1.3
40
37
4
3
±15
±5
±5
800
Fixed Off-Time
t
OFF
OSC > 3 V
R
OSC
= 25 k
Ω
Reference Input Voltage Range
Reference Input Current
V
REF
I
REF
Current Trip-Level Error
3
err
I
V
REF
= 2 V,
%I
TripMAX
=
38.27%
V
REF
= 2 V,
%I
TripMAX
= 70.71%
V
REF
= 2 V,
%I
TripMAX
= 100.00%
Crossover Dead Time
Protection
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
UVLO Enable Threshold
UVLO Hysteresis
t
DT
T
J
–
–
165
15
2.7
0.10
–
–
3
–
°C
°C
V
V
T
JHYS
UV
LO
UV
HYS
V
DD
rising
2.35
0.05
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