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A3988 데이터시트(PDF) 2 Page - Allegro MicroSystems

부품명 A3988
상세설명  Quad DMOS Full Bridge PWM Motor Driver
Download  13 Pages
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제조업체  ALLEGRO [Allegro MicroSystems]
홈페이지  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

A3988 데이터시트(HTML) 2 Page - Allegro MicroSystems

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Quad DMOS Full Bridge PWM Motor Driver
A3988
2
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Selection Guide
Part Number
Package
Packing
A3988SEV-T
36 pin QFN with exposed thermal pad
61 pieces per tube
A3988SEVTR-T
36 pin QFN with exposed thermal pad
1500 pieces per reel
A3988SJP-T
48 pin LQFP with exposed thermal pad
250 pieces per tray
Absolute Maximum Ratings
Characteristic
Symbol
Notes
Rating
Units
Load Supply Voltage
VBB
-0.5 to 36
V
Pulsed tw < 1 μs38
V
Logic Supply Voltage
VDD
–0.4 to 7
V
Output Current
IOUT
May be limited by duty cycle, ambient temperature, and heat sinking. Under
any set of conditions, do not exceed the specified current rating or a Junction
Temperature of 150°C.
1.2
A
Pulsed tw < 1 μs
2.8
A
Logic Input Voltage Range
VIN
–0.3 to 7
V
SENSEx Pin Voltage
VSENSEx
0.5
V
Pulsed tw < 1 μs
2.5
V
VREFx Pin Voltage
VREFx
2.5
V
Operating Temperature Range
TA
Range S
–20 to 85
ºC
Junction Temperature
TJ(max)
150
ºC
Storage Temperature Range
Tstg
–40 to 125
ºC
Thermal Characteristics (may require derating at maximum conditions)
Characteristic
Symbol
Test Conditions
Min. Units
Package Thermal Resistance
RθJA
EV package, 4 layer PCB based on JEDEC standard
27
ºC/W
JP package, 4 layer PCB based on JEDEC standard
23
ºC/W
5500
5000
4500
4000
3500
3000
2500
2000
1500
1000
500
0
25
50
75
100
125
150
175
Temperature (°C)
Power Dissipation versus Ambient Temperature
(R JA = 23 ºC/W)
JP Package
4-layer PCB
(R JA = 27 ºC/W)
EV Package
4-layer PCB


유사한 부품 번호 - A3988

제조업체부품명데이터시트상세설명
logo
Allegro MicroSystems
A3988 ALLEGRO-A3988_11 Datasheet
333Kb / 14P
   The A3988 is a quad DMOS full-bridge driver capable of driving up to two stepper motors or four DC motors.
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유사한 설명 - A3988

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