A3968SLB Allegro Microsystems Inc, A3968SLB Datasheet - Page 5

• 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
NOTES:1. Typical Data is for design information only.
PWM RC Frequency
PWM Propagation Delay Time
Cross-Over Dead Time
Propagation Delay Times
Thermal Shutdown Temp.
Thermal Shutdown Hysteresis
UVLO Enable Threshold
UVLO Hysteresis
Logic Supply Current
2. Negative current is defined as coming out of (sourcing) the specified device terminal.
(continued)
Typical output saturation voltages showing
Ω
Satlington sink-driver operation.
Dual Full-Bridge PWM Motor Driver with Brake
V
I
V
CC(BRAKE)
T(UVLO)hys
I
I
CC(OFF)
T(UVLO)+
CC(ON)
t
t
ΔT
PWM
f
codt
t
T
osc
pd
J
J
C
Comparator Trip to Source OFF
Cycle Reset to Source ON
1 kΩ Load to 25 V
I
Increasing V
Both bridges ON (forward or reverse)
All INPUTs = 2.4 V
All INPUTs = 0.8 V
OUT
T
= 680 pF, R
Disable OFF to Source ON
Disable ON to Source OFF
Disable OFF to Sink ON
Disable ON to Sink OFF
Brake Enable to Sink ON
Brake Enable to Source OFF
= ±650 mA, 50% to 90%:
°
CC
T
= 56 kΩ
2.5
2.0
1.5
1.0
0.5
0
SINK DRIVER
200
T
A
= +25°C
OUTPUT CURRENT IN MILLIAMPERES
300
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
22.9
0.2
0.1
—
—
—
—
—
—
—
—
—
—
—
—
—
—
4
0
0
2200
25.4
100
500
200
200
200
165
1.0
0.8
1.8
4.1
0.6
15
—
—
—
500
27.9
1.4
1.2
3.0
4.6
9.0
SOURCE DRIVER
50
95
—
—
—
—
—
—
—
—
—
600
7
kHz
0
mA
mA
mA
μs
μs
μs
°C
°C
ns
ns
ns
ns
ns
ns
0
V
V
5