参数资料
型号: A3955SLBTR
厂商: Allegro Microsystems Inc
文件页数: 14/14页
文件大小: 0K
描述: IC MOTOR DRIVER PWM FULL 16-SOIC
标准包装: 1,000
应用: 步进电机驱动器
输出数: 1
电流 - 输出: ±1.5A
电压 - 负载: 4.5 V ~ 50 V
电源电压: 4.5 V ~ 5.5 V
工作温度: -20°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.295",7.50mm 宽)
供应商设备封装: 16-SOIC W
包装: 带卷 (TR)
0.38 –0.05
A3955
16
Full-Bridge PWM Microstepping Motor Driver
B package 16-pin DIP
19.05±0.25
+0.10
6.35 –0.25
10.92 –0.25
A
1
2
+0.76
5.33 MAX
+0.38
For Reference Only
(reference JEDEC MS-001 BB)
7.62
1.52 –0.38
3.30 –0.38
1.27MIN
+0.25
0.46 ±0.12
2.54
+0.51
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
LB package 16-pin SOICW
0.27 –0.06
0.84 –0.43
16
A
10.30±0.20
7.50±0.10
10.30±0.33
4° ±4
+0.07
+0.44
0.65
1.27
9.50
2.25
1
2
0.25
B
PCB Layout Reference View
16X
0.10 C
SEATING
PLANE
C
SEATING PLANE
GAUGE PLANE
For Reference Only
Pins 4 and 5, and 12 and 13 internally fused
Dimensions in millimeters
(reference JEDEC MS-013 AA)
0.41 ±0.10
1.27
2.65 MAX
0.20 ±0.10
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 Reference pad layout (reference IPC SOIC127P1030X265-16M)
All pads a minimum of 0.20 mm from all adjacent pads; adjust as necessary
to meet application process requirements and PCB layout tolerances
Copyright ?1997-2010, Allegro MicroSystems, Inc.
Allegro MicroSystems, Inc. reserves the right to make, from time to time, such departures from the detail specifications as may be required to per-
mit improvements in the performance, reliability, or manufacturability of its products. Before placing an order, the user is cautioned to verify that the
information being relied upon is current.
Allegro’s products are not to be used in life support devices or systems, if a failure of an Allegro product can reasonably be expected to cause the
failure of that life support device or system, or to affect the safety or effectiveness of that device or system.
The information included herein is believed to be accurate and reliable. However, Allegro MicroSystems, Inc. assumes no responsibility for its use;
nor for any infringement of patents or other rights of third parties which may result from its use.
For the latest version of this document, visit our website:
www.allegromicro.com
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
13
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