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UC2638J PDF预览

UC2638J

更新时间： 2024-02-22 15:27:52
品牌 Logo 应用领域
其他 - ETC /
页数 文件大小 规格书
9页 335K
描述
Industrial Control IC

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中文翻译

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UC2638J 技术参数

生命周期：Obsolete零件包装代码：QLCC
包装说明：QCCJ, LDCC20,.4SQ针数：20
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.69
模拟集成电路 - 其他类型：BRUSH DC MOTOR CONTROLLERJESD-30 代码：S-PQCC-J20
长度：8.965 mm标称负供电电压 (Vsup)：-15 V
功能数量：1端子数量：20
最高工作温度：85 °C最低工作温度：-25 °C
最大输出电流：0.5 A封装主体材料：PLASTIC/EPOXY
封装代码：QCCJ封装等效代码：LDCC20,.4SQ
封装形状：SQUARE封装形式：CHIP CARRIER
电源：+-15 V认证状态：Not Qualified
座面最大高度：4.57 mm子类别：Motion Control Electronics
最大供电电流 (Isup)：23 mA最大供电电压 (Vsup)：36 V
最小供电电压 (Vsup)：10 V标称供电电压 (Vsup)：15 V
表面贴装：YES技术：BIPOLAR
温度等级：OTHER端子形式：J BEND
端子节距：1.27 mm端子位置：QUAD
宽度：8.965 mmBase Number Matches：1

UC2638J 数据手册

 浏览型号UC2638J的Datasheet PDF文件第2页浏览型号UC2638J的Datasheet PDF文件第3页浏览型号UC2638J的Datasheet PDF文件第4页浏览型号UC2638J的Datasheet PDF文件第5页浏览型号UC2638J的Datasheet PDF文件第6页浏览型号UC2638J的Datasheet PDF文件第7页 
UC1638  
UC2638  
UC3638  
Advanced PWM Motor Controller  
DESCRIPTION  
FEATURES  
•
•
•
Single or Dual Supply Operation The UC1638 family of integrated circuits are advanced pulse width modula-  
tors intended for a variety of PWM motor drive and amplifier applications re-  
quiring either uni-directional or bi-directional drive circuits. Similar in  
Accurate High Speed Oscillator  
architecture to the UC1637, all necessary circuitry is included to generate an  
analog error signal and modulate two bi-directional pulse train outputs in pro-  
portion to the error signal magnitude and polarity.  
Differential X5 Current Sense  
Amplifier  
•
•
•
•
•
Bidirectional Pulse-by-Pulse  
Current Limiting  
Key features of the UC1638 include a programmable high speed triangle os-  
cillator, a 5X differential current sensing amplifier, a high slew rate error am-  
plifier, high speed PWM comparators, and two 50mA open collector as well  
Programmable Oscillator  
Amplitude and PWM Deadband  
±
as two 500mA totem pole output stages. The individual circuit blocks are  
Dual 500mA Totem Pole Output  
Drivers  
designed to provide practical operation to switching frequencies of 500kHz.  
Significant improvements in circuit speed, elimination of many external pro-  
gramming components, and the inclusion of a differential current sense am-  
plifier, allow this controller to be specified for higher performance  
applications, yet maintain the flexibility of the UC1637. The current sense  
amplifier in conjunction with the error amplifier can be configured for average  
current feedback. The additional open collector outputs provide a drive signal  
Dual 60V, 50mA Open Collector  
Drivers  
Undervoltage Lockout  
continued  
BLOCK DIAGRAM  
UDG-95048-4  
1/98  
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