A3968SLB Allegro Microsystems Inc, A3968SLB Datasheet - Page 3

• Manufacturer Part Number: A3968SLB
• Description: IC MOTOR DRIVER PWM DUAL 16SOIC
• Manufacturer: Allegro Microsystems Inc

Specifications of A3968SLB

• Applications: PWM Motor Driver
• Number Of Outputs: 2
• Current - Output: ±650mA
• Voltage - Load: 4.75 V ~ 30 V
• Voltage - Supply: 4.75 V ~ 5.5 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (0.300", 7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

A3968
GROUND
INPUT A
INPUT B
UVLO
& TSD
Dual Full-Bridge PWM Motor Driver with Brake
Z = High impedance
INPUT
FUNCTIONAL BLOCK DIAGRAM
H
H
L
L
R T
A
RC
INPUT
(One Half of Circuit Shown)
C T
H
H
L
L
PWM LATCH
Copyright © 1998, 2003 Allegro MicroSystems, Inc.
Q
OSC
B
V CC
TRUTH TABLE
S
R
OUT
BLANKING
H
Z
L
L
GATE
A
CURRENT-SENSE
COMPARATOR
OUT
H
Z
L
L
TO OTHER
BRIDGE
TO OTHER
BRIDGE
V BB
B
+
–
Description
Brake mode
“Forward”
“Reverse”
Disable
÷4
TO OTHER
BRIDGE
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
SENSE
Dwg. FP-036-4
R S
+
3