参数资料
型号: A3959SLPTR
厂商: Allegro Microsystems Inc
文件页数: 3/12页
文件大小: 0K
描述: IC MOTOR DRIVER PWM FULL 28TSSOP
标准包装: 4,000
应用: PWM 电机驱动器
输出数: 1
电流 - 输出: ±3A
电压 - 负载: 9.5 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: 28-SOIC(0.173",4.40mm 宽)裸露焊盘
供应商设备封装: 28-TSSOP 裸露焊盘
包装: 带卷 (TR)
A3959
Thermal Characteristics
DMOS Full-Bridge PWM Motor Driver
Characteristic
Package Power Dissipation
Symbol
P D
B package
LB package
LP package
Test Conditions
1-layer PCB, minimal exposed copper area
Value
3.3
2.5
3.1
54
Units
W
W
W
oC/W
B Package
2-layer PCB,
1-in. 2
2-oz copper exposed area
36
oC/W
4-layer PCB, based on JEDEC standard
1-layer PCB, minimal exposed copper area
26
77
oC/W
oC/W
Package Thermal Resistance, Junction
to Ambient
R θ JA
LB Package
2-layer PCB, 1-in. 2 2-oz copper exposed area
51
oC/W
4-layer PCB, based on JEDEC standard
1-layer PCB, minimal exposed copper area
35
100
oC/W
oC/W
LP Package
2-layer PCB, 1-in. 2 2-oz copper exposed area
4-layer PCB, based on JEDEC standard
40
28
oC/W
oC/W
Package Thermal Resistance, Junction
to Tab
Package Thermal Resistance, Junction
to Pad
R θ JT
R θ JP
B and LB packages
LP package
6
2
oC/W
oC/W
*Additional thermal information available on Allegro website.
5
SUFFIX 'B', R JA = 26 C/W
SUFFIX 'LP', R JA = 28 C/W
SUFFIX 'LB', R JA = 35 C/W
4
3
2
1 SUFFIX 'B', R
4-LAYER BOARD
JA = 36 C/W
SUFFIX 'LP', R JA = 40 C/W
SUFFIX 'LB', R JA = 51 C/W
2-LAYER BOARD,
0
1 SQ. IN. COPPER EA. SIDE
25
50
75 100
125
150
TEMPERATURE IN C
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
3
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