参数资料
型号: A3988SJPTR-T
厂商: Allegro Microsystems Inc
文件页数: 2/14页
文件大小: 0K
描述: IC PWM MOTR DVR FULL BRDG 48LQFP
标准包装: 1,500
应用: 直流电机驱动器,步进电机驱动器
输出数: 2 或 4
电流 - 输出: ±1.2A
电压 - 负载: 8 V ~ 36 V
电源电压: 3 V ~ 5.5 V
工作温度: -20°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 48-LQFP 裸露焊盘
供应商设备封装: 48-LQFP 裸露焊盘(7x7)
包装: 带卷 (TR)
其它名称: 620-1460-2
A3988SJPTR-T-ND
A3988
Selection Guide
Quad DMOS Full Bridge PWM Motor Driver
Part Number
A3988SEV-T
A3988SEVTR-T
A3988SJPTR-T
Package
36 pin QFN with exposed thermal pad
36 pin QFN with exposed thermal pad
48 pin LQFP with exposed thermal pad
Packing
61 pieces per tube
1500 pieces per reel
1500 pieces per reel
Absolute Maximum Ratings
Characteristic
Load Supply Voltage
Logic Supply Voltage
Output Current
Symbol
V BB
V DD
I OUT
Notes
Pulsed t w < 1 μ s
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
Rating
-0.5 to 36
38
–0.4 to 7
1.2
Units
V
V
V
A
Temperature of 150°C.
Pulsed t w < 1 μ s
2.8
A
Logic Input Voltage Range
SENSEx Pin Voltage
VREF x Pin Voltage
V IN
V SENSEx
V REFx
Pulsed t w < 1 μ s
–0.3 to 7
0.5
2.5
2.5
V
V
V
V
Operating Temperature Range
Junction Temperature
Storage Temperature Range
T A
T J (max)
T stg
Range S
–20 to 85
150
–40 to 125
oC
oC
oC
Thermal Characteristics (may require derating at maximum conditions)
Characteristic
Symbol
Test Conditions
Min. Units
Package Thermal Resistance
R θ JA
EV package, 4 layer PCB based on JEDEC standard
JP package, 4 layer PCB based on JEDEC standard
27
23
oC/W
oC/W
Power Dissipation versus Ambient Temperature
5500
5000
4500
4000
3500
3000
2500
2000
1500
1000
500
0
EV Package
4-layer PCB
(R JA = 27 oC/W)
JP Package
4-layer PCB
(R JA = 23 oC/W)
25
50
75 100 125
150
175
Temperature (°C)
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
2
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