A3977SLP Allegro Microsystems Inc, A3977SLP Datasheet - Page 6
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A3977SLP
Manufacturer Part Number
A3977SLP
Description
IC MOTOR DRVR PWM DUAL 28TSSOP
Manufacturer
Allegro Microsystems Inc
Specifications of A3977SLP
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
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
A3977SLP
Manufacturer:
ALLE
Quantity:
5 510
Part Number:
A3977SLP
Manufacturer:
N/A
Quantity:
20 000
Company:
Part Number:
A3977SLPT
Manufacturer:
ALLE
Quantity:
5 510
Company:
Part Number:
A3977SLPT
Manufacturer:
ROHM
Quantity:
5 510
Part Number:
A3977SLPT
Manufacturer:
ALLEGRO/雅丽高
Quantity:
20 000
Part Number:
A3977SLPTR-T
Manufacturer:
ALLEGRO/雅丽高
Quantity:
20 000
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