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A3959 Datasheet(PDF) 2 Page - Allegro MicroSystems

Part # A3959
Description  DMOS Full-Bridge PWM Motor Driver
Download  12 Pages
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Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

A3959 Datasheet(HTML) 2 Page - Allegro MicroSystems

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DMOS Full-Bridge PWM Motor Driver
A3959
2
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Selection Guide
Part Number
Package
Packing
A3959SB-T
24-pin DIP with exposed tabs
15 per tube
A3959SLBTR-T
24-pin SOIC with internally fused pins
1000 per reel
A3959SLPTR-T
28-pin TSSOP with exposed thermal pad
4000 per reel
Absolute Maximum Ratings
Characteristic
Symbol
Notes
Rating
Units
Load Supply Voltage
VBB
50
V
Logic Supply Voltage
VDD
7.0
V
Input Voltage
VIN
Continuous
–0.3 to VDD + 0.3
V
tw < 30 ns
–1.0 to VDD + 1.0
V
Sense Voltage
VS
Continuous
0.5
V
tw < 3 μs
2.5
V
Reference Voltage
VREF
VDD
V
Output Current
IOUT
Output current rating may be limited by duty cycle, am-
bient temperature, and heat sinking. Under any set of
conditions, do not exceed the specified current rating
or a junction temperature of 150°C.
Repetitive
±3.0
A
Peak, < 3 μs
±6.0
A
Package Power Dissipation
PD
See Thermal Characteristics
Operating Ambient Temperature
TA
Range S
–20 to 85
ºC
Maximum Junction Temperature
TJ(max)
Fault conditions that produce excessive junction temperature will activate
the device’s thermal shutdown circuitry. These conditions can be toler-
ated but should be avoided.
150
ºC
Storage Temperature
Tstg
–55 to 150
ºC


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