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L297/1 PDF预览

L297/1

更新时间: 2024-11-08 17:33:15
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 电机控制器
页数 文件大小 规格书
11页 104K
描述
步进电机控制器

L297/1 技术参数

生命周期:Active零件包装代码:DIP
包装说明:DIP, DIP20,.3针数:20
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:10 weeks
风险等级:1.41Samacsys Confidence:3
Samacsys Status:ReleasedSamacsys PartID:221762
Samacsys Pin Count:20Samacsys Part Category:Integrated Circuit
Samacsys Package Category:Dual-In-Line PackagesSamacsys Footprint Name:DIP20_1
Samacsys Released Date:2015-09-17 10:56:35Is Samacsys:N
模拟集成电路 - 其他类型:STEPPER MOTOR CONTROLLERJESD-30 代码:R-PDIP-T20
JESD-609代码:e3长度:25.15 mm
功能数量:1端子数量:20
最高工作温度:150 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装等效代码:DIP20,.3封装形状:RECTANGULAR
封装形式:IN-LINE峰值回流温度(摄氏度):NOT SPECIFIED
电源:5 V认证状态:Not Qualified
座面最大高度:3.93 mm子类别:Motion Control Electronics
最大供电电流 (Isup):80 mA最大供电电压 (Vsup):7 V
最小供电电压 (Vsup):4.75 V标称供电电压 (Vsup):5 V
表面贴装:NO技术:BIPOLAR
温度等级:AUTOMOTIVE端子面层:Matte Tin (Sn)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7.62 mmBase Number Matches:1

L297/1 数据手册

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L297  
L297D  
STEPPER MOTOR CONTROLLERS  
NORMAL/WAWE DRIVE  
HALF/FULL STEP MODES  
CLOCKWISE/ANTICLOCKWISE DIRECTION  
SWITCHMODE LOAD CURRENT REGULA-  
TION  
PROGRAMMABLE LOAD CURRENT  
FEW EXTERNAL COMPONENTS  
RESET INPUT & HOME OUTPUT  
ENABLE INPUT  
DIP20  
SO20  
: L297 (DIP20)  
L297D (SO20)  
ORDERING NUMBERS  
DESCRIPTION  
feature of this device is that it requires only clock,  
direction and mode input signals. Since the phase  
are generated internally the burden on the micro-  
processor,and theprogrammer,is greatlyreduced.  
Mounted in DIP20 and SO20 packages, the L297  
can be used with monolithic bridge drives such as  
the L298N or L293E, or with discrete transistors  
and darlingtons.  
The L297/A/D Stepper Motor Controller IC gener-  
ates four phase drive signals for two phase bipolar  
and four phase unipolar step motors in microcom-  
puter-controlled applications. The motor can be  
driven in half step, normal and wawe drive modes  
and on-chip PWM chopper circuits permit switch-  
mode control of the current in the windings. A  
ABSOLUTE MAXIMUM RATINGS  
Symbol  
Vs  
Parameter  
Value  
Unit  
V
Supply voltage  
Input signals  
10  
Vi  
7
V
Ptot  
Total power dissipation (Tamb = 70 C)  
1
W
°
Tstg, Tj  
Storage and junction temperature  
-40 to + 150  
°
C
TWO PHASE BIPOLAR STEPPER MOTOR CONTROL CIRCUIT  
August 1996  
1/11  

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