A3953SLB Allegro Microsystems Inc, A3953SLB Datasheet - Page 5

• Manufacturer Part Number: A3953SLB
• Description: IC MOTOR DRIVER PWM FULL 16-SOIC
• Manufacturer: Allegro Microsystems Inc

Specifications of A3953SLB

• Applications: PWM Motor Driver
• Number Of Outputs: 1
• Current - Output: ±1.3A
• Voltage - Load: 3 V ~ 50 V
• Voltage - Supply: 3 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

A3953
ELECTRICAL CHARACTERISTICS (continued) at T
5.5 V (unless otherwise noted.)
AC Timing
Characteristic
PWM RC Fixed Off-time
PWM Turn-Off Time
PWM Turn-On Time
PWM Minimum On Time
Propagation Delay Times
Crossover Dead Time
Maximum PWM Frequency
t
f
Symbol
t
PWM(OFF)
PWM(max)
PWM(ON)
t
t
OFF RC
ON(min)
t
CODT
t
pd
Test Conditions
C
Comparator Trip to Source Off,
Comparator Trip to Source Off,
I
I
V
V
I
1 kΩ Load to 25 V, V
I
RC
RC
OUT
OUT
CC
CC
T
= 680 pF, R
I
I
I
I
ENABLE On to Source On
ENABLE Off to Source Off
ENABLE On to Sink On
ENABLE Off to Sink Off (MODE = L)
PHASE Change to Sink On
PHASE Change to Sink Off
PHASE Change to Source On
PHASE Change to Source Off
Charge On to Source On,
Charge On to Source On,
OUT
OUT
OUT
OUT
= 3.3 V, R
= 5.0 V, R
= ±1.3 A, 50% to 90%:
= 1.3 A
= 25 mA
= 1.3 A
= 25 mA
= 1.3 A
T
T
T
= 30 kΩ, V
≥ 12 kΩ, C
≥ 12 kΩ, C
Full-Bridge PWM Motor Driver
BB
J
= 25°C, V
= 50 V
T
T
CC
= 680 pF
= 470 pF
= 3.3 V
BB
= 5 V to 50 V, V
Min.
18.3
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
0.8
0.8
0.3
70
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—
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—
—
—
—
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Typ.
20.4
0.55
1.0
1.8
0.4
1.4
1.6
1.0
1.0
1.0
0.8
2.4
0.8
2.0
1.7
1.5
—
Limits
CC
Continued next page…
= 3.0 V to
Max.
22.5
0.85
1.5
2.6
0.7
1.9
2.0
3.0
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Units
kHz
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
4