A3977SEDTR-T Allegro Microsystems Inc, A3977SEDTR-T Datasheet - Page 6

• Manufacturer Part Number: A3977SEDTR-T
• Description: LEAD FREE A3977SEDTR
• Manufacturer: Allegro Microsystems Inc

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

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
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