A4985SESTR-T Allegro Microsystems Inc, A4985SESTR-T Datasheet - Page 5

• Manufacturer Part Number: A4985SESTR-T
• Description: IC STEPPER MOTOR DRIVER 24QFN
• Manufacturer: Allegro Microsystems Inc

Specifications of A4985SESTR-T

• Applications: Stepper Motor Driver, 2 Phase
• Number Of Outputs: 1
• Current - Output: *
• 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: 20-WFQFN Exposed Pad
• Motor Type: Stepper
• No. Of Outputs: 2
• Output Current: 1A
• Output Voltage: 35V
• Supply Voltage Range: 3V To 5.5V
• Driver Case Style: QFN
• No. Of Pins: 24
• Operating Temperature Range: -20°C To +85°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 620-1374 - Board Eval Motor Control A4985
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

A4985
THERMAL CHARACTERISTICS may require derating at maximum conditions
Package Thermal Resistance
*In still air. Additional thermal information available on Allegro Web site.
Characteristic
Symbol
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
R
θJA
20
DMOS Microstepping Driver with Translator
ES package; estimated, on 4-layer PCB, based on JEDEC standard
ET package; estimated, on 4-layer PCB, based on JEDEC standard
LP package; on 4-layer PCB, based on JEDEC standard
40
Maximum Power Dissipation, P
60
Temperature (°C)
80
100
120
Test Conditions*
And Overcurrent Protection
140
D
(max)
160
180
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
Value Units
37
32
28
ºC/W
ºC/W
ºC/W
5