参数资料
型号: A3988SJP-T
厂商: Allegro Microsystems Inc
文件页数: 13/14页
文件大小: 0K
描述: IC MOTOR DVR PWM FULL BRG 48LQFP
标准包装: 1
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: 管件
A3988
Quad DMOS Full Bridge PWM Motor Driver
JP Package, 48 Pin LQFP with Exposed Thermal Pad
0.30
0o ±4
9.00±0.20
7.00 ±0.20
7o
1.70
0.50
0.15 –0.06
+0.05
9.00 ±0.20 7.00 ±0.20
B
5.00±0.04
C
5.00
8.60
0.60 ±0.15
48
A
1
2
5.00±0.04
0.25
(1.00)
48
1 2
SEATING PLANE
GAGE PLANE
5.00
8.60
48X
0.08 C
SEATING
PLANE
C
C
PCB Layout Reference View
0.22 ±0.05
0.50
1.60 MAX
1.40 ±0.05
0.10 ±0.05
For Reference Only
(reference JEDEC MS-026 BBCHD)
Dimensions in millimeters
Dimensions exclusive of mold flash, gate burrs, and dambar protrusions
Exact case and lead configuration at supplier discretion within limits shown
A Terminal #1 mark area
B Exposed thermal pad (bottom surface)
C Reference land pattern layout (reference IPC7351
QFP50P900X900X160-48M); adjust as necessary to meet
application process requirements and PCB layout
tolerances; when mounting on a multilayer PCB, thermal
vias at the exposed thermal pad land can improve thermal
dissipation (reference EIA/JEDEC Standard JESD51-5)
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
13
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