A3974SED Allegro Microsystems Inc, A3974SED Datasheet - Page 3

• Manufacturer Part Number: A3974SED
• Description: IC MOTOR DRVR PWM DUAL 44-PLCC
• Manufacturer: Allegro Microsystems Inc

Specifications of A3974SED

• Applications: DC Motor Driver
• Number Of Outputs: 2
• Current - Output: ±1.5A
• Voltage - Load: 15 V ~ 50 V
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 44-LCC (J-Lead)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

A3974
Selection Guide
Absolute Maximum Ratings
Thermal Characteristics
*Additional thermal information available on the Allegro website.
Load Supply Voltage
Logic Supply Voltage
Logic Input Voltage Range
Reference Voltage
Sense Voltage (DC)
Output Current
Operating Ambient Temperature
Maximum Junction Temperature
Storage Temperature
Package Thermal Resistance
A3974SED-T
A3974SEDTR-T
Part Number
Characteristic
Characteristic
may require derating at maximum conditions, see application information
27 pieces per tube
450 pieces per reel
Symbol
Symbol
T
Packing
DMOS Dual Full-Bridge PWM Motor Driver
J
R
R
V
I
V
V
(max)
T
V
V
OUT
T
REF
θJA
θJT
DD
stg
BB
IN
A
S
4-layer PCB based on JEDEC standard
Continuous
Pulsed, t
Continuous
Pulsed, t
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.
Range S
w
w
< 30 ns
< 1 μs
Notes
Test Conditions*
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
–0.3 to V
–1.0 to V
–55 to 150
–20 to 85
Rating
±1.5
150
7.0
0.5
2.5
50
3
DD
DD
+ 0.3
+ 1.0
Units
ºC
ºC
ºC
V
V
V
V
V
V
V
A
Value Units
22
6
ºC/W
ºC/W
2