A3979SLPTR-T Allegro Microsystems Inc, A3979SLPTR-T Datasheet - Page 2

• Manufacturer Part Number: A3979SLPTR-T
• Description: IC DRIVER MICROSTEPPING 28-TSSOP
• Manufacturer: Allegro Microsystems Inc

Specifications of A3979SLPTR-T

• 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
• Motor Type: DMOS
• No. Of Outputs: 2
• Output Current: 2.5A
• Output Voltage: 35V
• Supply Voltage Range: 3V To 5.5V
• Driver Case Style: TSSOP
• No. Of Pins: 28
• Operating Temperature Range: -20°C To +85°C
• Operating Current: 8mA
• 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: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 620-1148-2; A3979SLPTR-T

A3979
Absolute Maximum Ratings
Selection Guide
Load Supply Voltage
Output Current
Logic Supply Voltage
Logic Input Voltage Range
Sense Voltage
Reference Voltage
Operating Ambient Temperature
Junction Temperature
Storage Temperature
A3979SLPTR-T
Part Number
4000 pieces per reel
Packing
T
V
V
J
I
SENSE
V
V
(max)
V
T
OUT
REF
T
BB
DD
stg
IN
A
DMOS Microstepping Driver with Translator
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.
t
t
Range S
W
W
> 30 ns
< 30 ns
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
–0.3 to V
–1 to V
–55 to 150
–20 to 85
±2.5
150
V
7.0
0.5
35
DD
DD
DD
+ 0.3
+ 1
°C
°C
°C
V
A
V
V
V
V
V
2