A3983 Allegro MicroSystems, Inc., A3983 Datasheet - Page 3

• Manufacturer Part Number: A3983
• Description: DMOS Microstepping Driver with Translator
• Manufacturer: Allegro MicroSystems, Inc.

1
2
individual units, within the specified maximum and minimum limits.
3
ELECTRICAL CHARACTERISTICS
26184.29A
Output Drivers
Load Supply Voltage Range
Logic Supply Voltage Range
Output On Resistance
Body Diode Forward Voltage
Motor Supply Current
Logic Supply Current
Control Logic
Logic Input Voltage
Logic Input Current
Microstep Select 2
Input Hysteresis
Blank Time
Fixed Off-Time
Reference Input Voltage Range
Reference Input Current
Current Trip-Level Error
Crossover Dead Time
Protection
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
UVLO Enable Threshold
UVLO Hysteresis
err
Negative current is defined as coming out of (sourcing from) the specified device pin.
Typical data are for initial design estimations only, and assume optimum manufacturing and application conditions. Performance may vary for
I
= (I
Trip
Characteristics
– I
Prog
) ⁄ I
Prog
, where I
3
Prog
= %I
TripMAX
Symbol
V
R
UV
t
T
1
UV
V
V
HYS(IN)
BLANK
V
MS2
I
I
V
t
I
V
DSON
I
IN(1)
IN(0)
JHYS
I
OFF
REF
err
t
V
IN(1)
IN(0)
T
at T
DD
REF
BB
DT
×
DD
BB
HYS
F
J
LO
I
I
TripMAX
A
= 25°C, V
DMOS Microstepping Driver with Translator
.
Operating
During Sleep Mode
Operating
Source Driver, I
Sink Driver, I
Source Diode, I
Sink Diode, I
f
Operating, outputs disabled
Sleep Mode
f
Outputs off
Sleep Mode
V
V
OSC > 3 V
R
V
V
V
V
PWM
PWM
IN
IN
OSC
REF
REF
REF
DD
= V
= V
rising
< 50 kHz
< 50 kHz
= 2 V,
= 2 V,
= 2 V,
= 25 kΩ
BB
Test Conditions
DD
DD
= 35 V (unless otherwise noted)
×
×
%I
%I
%I
0.7
0.3
OUT
F
TripMAX
TripMAX
TripMAX
= 1.5 A
OUT
F
= 1.5 A
= –1.5 A
= –1.5 A
=
= 70.71%
= 100.00%
38.27%
V
DD
Min.
2.35
0.05
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
–20
–20
150
100
3.0
0.7
20
23
–3
8
0
–
–
–
–
–
–
–
–
–
–
–
–
×
–
0
–
–
–
–
0.7
0.350
0.300
Typ.
<1.0
<1.0
0.10
100
300
475
165
2.7
30
30
15
–
–
–
–
–
–
–
–
–
–
–
–
–
1
–
0
–
–
–
2
V
DD
0.450
0.370
Max.
500
±15
800
5.5
1.2
1.2
1.3
35
35
10
10
20
20
40
37
±5
±5
4
2
8
5
–
×
–
4
3
–
–
3
–
A3983
0.3
Units
mA
mA
mA
mA
mV
μA
μA
μA
μA
kΩ
μA
μs
μs
μs
ns
°C
°C
%
%
%
V
V
V
Ω
Ω
V
V
V
V
V
V
V
3