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参数资料
| 型号： | A3977SLP-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 2/19页 |
| 文件大小： | 0K |
| 描述： | IC MOTOR DRIVER PWM DUAL 28-TSSO |
| 标准包装： | 50 |
| 应用： | 步进电机驱动器 |
| 输出数： | 1 |
| 电流 - 输出： | ±2.5A |
| 电压 - 负载： | 8 V ~ 35 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： | 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： | 管件 |
| 其它名称： | 620-1079 |
A3977
Selection Guide
Microstepping DMOS Driver with Translator
Part Number
Packing
Package
Ambient Temperature, T A
(°C)
A3977KEDTR-T* 450 per reel 44-pin PLCC –40 to 125
A3977SEDTR-T* 450 per reel 44-pin PLCC –20 to 85
A3977SLPTR-T 4000 per reel 28-pin TSSOP –20 to 85
*Variant is in production but has been determined to be LAST TIME BUY. This classification indicates that the
variant is obsolete and notice has been given. Sale of the variant is currently restricted to existing customer
applications. The variant should not be purchased for new design applications because of obsolescence in the
near future. Samples are no longer available. Status date change April 23, 2013. Deadline for receipt of LAST
TIME BUY orders is September 30, 2013.
Absolute Maximum Ratings
Characteristic
Load Supply Voltage
Logic Supply Voltage
Logic Input Voltage Range
Reference Voltage
Sense Voltage (DC)
Symbol
V BB
V DD
V IN
V REF
V SENSE
Pulsed, t w > 30 ns
Pulsed, t w < 30 ns
Notes
Rating
35
7.0
–0.3 to V DD + 0.3
–1.0 to V DD + 1
V DD
0.5
Units
V
V
V
V
V
V
Output current rating may be limited by duty
cycle, ambient temperature, and heat sinking.
Output Current
I OUT
Under any set of conditions, do not exceed the
±2.5
A
specified current rating or a junction temperature
of 150°C.
Operating Ambient Temperature
Maximum Junction Temperature
Storage Temperature
T A
T J (max)
T stg
Range K
Range S
–40 to 125
–20 to 85
150
–55 to 150
oC
oC
oC
oC
Thermal Characteristics
Characteristic
Symbol
Test Conditions*
Value Units
Package Thermal Resistance
R θ JA
Package ED, on 4-layer PCB based on JEDEC standard
Package LP, on 4-layer PCB based on JEDEC standard
22
28
oC/W
oC/W
*Additional thermal information available on the Allegro website.
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| A3977SLP-T | 制造商:Allegro MicroSystems 功能描述:Driver IC Output Current Max:2.5A |
| A3977SLPTR | 功能描述:IC MOTOR DRVR PWM DUAL 28TSSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 电机和风扇控制器，驱动器 系列:- 标准包装:1 系列:- 应用:直流电机驱动器，步进电机驱动器 评估套件:- 输出数:1 或 2 电流 - 输出:750mA 电压 - 负载:10 V ~ 40 V 电源电压:4.5 V ~ 5.5 V 工作温度:-20°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-BFSOP（0.295"，7.50mm 宽） 供应商设备封装:24-SOP 包装:Digi-Reel® 其它名称:MTS62C19A-HS105DKR |
| A3977SLPTRCUT | 制造商:Allegro MicroSystems LLC 功能描述: |
| A3977SLPTR-T | 功能描述:IC MOTOR DRVR PWM DUAL 28TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电机和风扇控制器，驱动器 系列:- 标准包装:1 系列:- 应用:步进电机驱动器，1-2 相，2 相 评估套件:- 输出数:1 电流 - 输出:800mA 电压 - 负载:10 V ~ 28 V 电源电压:4.75 V ~ 5.25 V 工作温度:-20°C ~ 90°C 安装类型:表面贴装 封装/外壳:28-SOP + 2 翼片裸露焊盘 供应商设备封装:28-HSOPHC（15.2x7.9） 包装:剪切带 (CT) 其它名称:869-1268-1 |
| A3977XED | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Microstepping DMOS Driver with Translator |
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