A3977SLP-T Allegro Microsystems Inc, A3977SLP-T Datasheet - Page 5

• Manufacturer Part Number: A3977SLP-T
• Description: IC MOTOR DRIVER PWM DUAL 28-TSSO
• Manufacturer: Allegro Microsystems Inc

Specifications of A3977SLP-T

• Applications: Stepper Motor Driver
• Number Of Outputs: 1
• Current - Output: ±2.5A
• Voltage - Load: 8 V ~ 35 V
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-TSSOP Exposed Pad, 28-eTSSOP, 28-HTSSOP
• Operating Current: 12mA
• Operating Temperature Classification: Commercial
• Package Type: TSSOP EP
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 620-1079

A3977
ELECTRICAL CHARACTERISTICS at T
Characteristic
Output Drivers
Load Supply Voltage Range
Output Leakage Current
Output On Resistance
Body Diode Forward Voltage
Motor Supply Current
Control Logic
Logic Supply Voltage Range
Logic Input Voltage
Logic Input Current
Maximum STEP Frequency
HOME Output Voltage
Blank Time
Fixed Off Time
Symbol Test Conditions
r
t
V
V
f
BLANK
DS(on)
I
I
I
V
V
V
STEP
V
I
IN(1)
IN(0)
DSS
V
t
IN(1)
IN(0)
Microstepping DMOS Driver with Translator
BB
off
DD
OH
BB
OL
A
F
= +25°C, V
Operating
During sleep mode
V
V
Source driver, I
Sink driver, I
Source diode, I
Sink diode, I
f
Operating, outputs disabled
Sleep mode
Operating
V
V
I
I
R
R
PWM
OH
OL
OUT
OUT
IN
IN
t
t
= 56 kΩ, C
= 56 kΩ, C
= 200 μA
= -200 μA
= 0.7V
= 0.3V
< 50 kHz
= V
= 0 V
BB
= 35 V, V
BB
DD
DD
OUT
F
t
t
= 2.5 A
OUT
= 680 pF
= 680 pF
F
= 2.5 A
DD
= -2.5 A
= -2.5 A
= 3.0 V to 5.5V (unless otherwise
0.7V
0.7V
Min.
500*
700
-20
-20
8.0
3.0
30
0
–
–
–
–
–
–
–
–
–
–
–
DD
DD
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
Typ.
<1.0
<1.0
0.45
0.36
<1.0
<1.0
950
5.0
38
–
–
–
–
–
–
–
–
–
–
–
–
Limits
continued next page …
0.3V
0.3V
Max.
1200
0.57
0.43
-20
1.4
1.4
8.0
6.0
5.5
noted)
35
35
20
20
20
20
46
–
–
–
DD
DD
Units
kHz
mA
mA
μA
μA
μA
μA
μA
ns
μs
Ω
Ω
V
V
V
V
V
V
V
V
V
5