A3973SLB-T View Datasheet(PDF) - Allegro MicroSystems
Part Name
Description
MFG CO.
'A3973SLB-T' PDF : 10 Pages View PDF
A3973
Dual DMOS Full-Bridge
Microstepping PWM Motor Driver
Selection Guide
Part Number
Package
A3973SB-T
24 pin DIP with two power tabs
A3973SLB-T
24 pin SOICW with four internally fused pins
A3973SLBTR-T
24 pin SOICW with four internally fused pins
Packing
15 pieces per tube
31 pieces per tube
1000 pieces per reel
Absolute Maximum Ratings
Characteristic
Symbol
Notes
Rating
Units
Load Supply Voltage
Output Current*
Logic Supply Voltage
Logic Input Voltage Range
Reference Voltage
Sense Voltage (DC)
Package Power Dissipation
VBB
IOUT
VDD
VIN
VREF
VS
PD
Package B
Package LB
35
V
±1.0
A
7.0
V
–0.3 to VDD + 0.3
V
3
V
500
mV
3.1
W
2.2
W
Operating Ambient Temperature
TA
Range S
–20 to 85
ºC
Junction Temperature
TJ
150
ºC
Storage Temperature
Tstg
–55 to 150
ºC
*Output current rating may be limited by duty cycle, ambient temperature, and heat sinking. Under any set of conditions, do not exceed
the specified current rating or a junction temperature of 150°C.
Allegro MicroSystems, Inc.
2
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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