A3977SEDTR-T Allegro Microsystems Inc, A3977SEDTR-T Datasheet - Page 6
![LEAD FREE A3977SEDTR](/photos/7/44/74485/a3977sedtr-t_sml.jpg)
A3977SEDTR-T
Manufacturer Part Number
A3977SEDTR-T
Description
LEAD FREE A3977SEDTR
Manufacturer
Allegro Microsystems Inc
Datasheet
1.A3977SEDTR-T.pdf
(18 pages)
Specifications of A3977SEDTR-T
Rohs Compliant
YES
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
44-LCC (J-Lead)
Motor Type
Stepper
No. Of Outputs
2
Output Current
2.5A
Output Voltage
35V
Supply Voltage Range
3V To 5.5V
Driver Case Style
LCC
No. Of Pins
44
Operating Temperature Range
-20°C To +85°C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
620-1146-2
A3977SEDTR-T
A3977SEDTR-T
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
A3977SEDTR-T
Manufacturer:
ALLEGRO
Quantity:
1 500
Company:
Part Number:
A3977SEDTR-T
Manufacturer:
Allegro MicroSystems, LLC
Quantity:
10 000
A3977
ELECTRICAL CHARACTERISTICS
Characteristic
Output Drivers (continued)
Thermal Shutdown Temp.
Thermal Shutdown Hysteresis
UVLO Enable Threshold
UVLO Hysteresis
Logic Supply Current
* Operation at a step frequency greater than the specifi ed minimum value is possible but not warranteed.
NOTES:
1. Typical Data is for design information only.
2. Negative current is defi ned as coming out of (sourcing) the specifi ed device terminal.
3. E G = ([V REF /8] – V SENSE )/(V REF /8)
Symbol
∆V UVLO
V UVLO
(continued) at T
∆T J
I DD
T J
Microstepping DMOS Driver with Translator
Increasing V DD
f PWM < 50 kHz
Outputs off
Sleep mode
A
= +25°C, V
Test Conditions
BB
= 35 V, V
DD
= 3.0 V to 5.5V (unless otherwise noted)
Min.
2.45
0.05
–
–
–
–
–
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
Typ.
0.10
165
2.7
15
–
–
–
Max.
2.95
12
10
20
–
–
–
Units
mA
mA
μA
°C
°C
V
V
6