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参数资料
| 型号： | A3992SLPTR-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 2/13页 |
| 文件大小： | 0K |
| 描述： | IC MOTOR DRVR PWM DUAL 24-TSSOP |
| 标准包装： | 1 |
| 应用： | PWM 电机驱动器，步进电机驱动器 |
| 输出数： | 1 |
| 电流 - 输出： | ±1.5A |
| 电压 - 负载： | 15 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： | 24-TSSOP（0.173"，4.40mm）裸露焊盘 |
| 供应商设备封装： | 24-TSSOP 裸露焊盘 |
| 包装： | 标准包装 |
| 其它名称： | 620-1170-6 |
A3992
Selection Guide
DMOS Dual Full-Bridge
Microstepping PWM Motor Driver
Part Number
A3992SB-T
A3992SLPTR-T
Absolute Maximum Ratings
Packing
15 pieces/tube
Tape, 4000 pieces/reel
Package
24 pin batwing DIP
24 pin TSSOP with
exposed thermal pad
Characteristic
Load Supply Voltage
Symbol
V BB
Notes
Rating
50
Units
V
Output current rating may be limited by duty cycle, ambient
Output Current
I OUT
temperature, and heat sinking. Under any set of conditions, do
not exceed the speci ? ed current rating or a junction tempera-
±1.5
A
ture of 150°C.
Logic Supply Voltage
Logic Input Voltage Range
VBBx to OUTx Voltage
OUTx to SENSEx Voltage
REF Reference Voltage
SENSE Voltage (DC)
V DD
V IN
V REF
V SENSE
7.0
–0.3 to 7
50
50
3
500
V
V
V
V
V
mV
Operating Ambient Temperature
Maximum Junction Temperature
Storage Temperature
T A
T J (max)
T stg
Range S
–20 to 85
150
–55 to 150
oC
oC
oC
Thermal Characteristics*
Characteristic
Package Thermal Resistance
Symbol
R θ JA
Notes
B package on 4-layer PCB
B package on 2-layer PCB with 3.15 in. 2
2 oz. copper each side
LP package on 4-layer PCB
LP package on 2-layer PCB with 3.8 in. 2
2 oz. copper each side
Rating
26
36
28
32
Units
°C/W
°C/W
°C/W
°C/W
*Additional thermal data available on the Allegro website.
Allegro MicroSystems, LLC
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
2
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