A3958SB Allegro Microsystems Inc, A3958SB Datasheet - Page 4

• Manufacturer Part Number: A3958SB
• Description: IC MOTOR DRIVER PWM FULL 24-DIP
• Manufacturer: Allegro Microsystems Inc

Specifications of A3958SB

• Applications: PWM Motor Driver
• Number Of Outputs: 1
• Current - Output: ±2A
• Voltage - Load: 20 V ~ 50 V
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 24-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

A3958
ELECTRICAL CHARACTERISTICS at T
f
PWM
Characteristics
Output Drivers
Load Supply Voltage Range
Output Leakage Current
Output On Resistance
Body Diode Forward Voltage
Load Supply Current
Control Logic
Logic Supply Voltage Range
Logic Input Voltage
Logic Input Current
(all inputs except ENABLE)
ENABLE Input Current
OSC input frequency
OSC input duty cycle
OSC input hysteresis
Input Hysteresis
Reference Input Volt. Range
Reference Input Current
Comparator Input Offset Volt.
< 50 kHz (unless noted otherwise)
Symbol Test Conditions
r
dc
V
V
V
DS(on)
I
I
I
I
I
f
V
V
I
V
IN(1)
IN(0)
IN(1)
IN(0)
DSS
I
OSC
V
REF
IN(1)
IN(0)
REF
BB
–
–
OSC
DD
BB
IO
F
DMOS Full-Bridge PWM Motor Driver
Operating
During sleep mode
V
V
Source driver, I
Sink driver, I
Source diode, I
Sink diode, I
f
Charge pump on, outputs disabled
Sleep Mode
Operating
V
V
V
V
Operating
Operating
Operating
All digital inputs except OSC
Operating
V
V
A
PWM
OUT
OUT
IN
IN
IN
IN
REF
REF
= +25°C, V
= 2.0 V
= 0.8 V
= 2.0 V
= 0.8 V
< 50 kHz
= 2.5 V
= 0 V
= V
= 0 V
BB
OUT
F
= 2 A
BB
OUT
F
= 2 A
= -2 A
= 50 V, V
= -2 A
DD
= 5.0 V, V
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
Min. Typ. Max.
200
4.5
2.0
2.9
0.0
20
40
50
0
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
SENSE
<-1.0
<-2.0
<1.0
<1.0
270
270
1.2
1.2
4.0
2.0
5.0
40
16
–
–
–
–
–
–
–
–
–
–
–
0
= 0.5 V,
Limits
Continued next page …
±0.5
±5.0
300
300
100
400
100
-20
-20
1.6
1.6
7.0
5.0
5.5
0.8
6.1
2.6
50
50
20
20
20
40
60
–
Units
MHz
mΩ
mΩ
mV
mV
mV
mA
mA
μA
μA
μA
μA
μA
μA
μA
μA
%
V
V
V
V
V
V
V
V
3