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UC3637Q PDF预览

UC3637Q

更新时间: 2024-02-25 05:37:56
品牌 Logo 应用领域
德州仪器 - TI 开关电机驱动控制器
页数 文件大小 规格书
9页 357K
描述
Switched Mode Controller for DC Motor Drive

UC3637Q 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
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:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.72
其他特性:ALSO REQUIRES -2.5V TO -20V SUPPLY模拟集成电路 - 其他类型:BRUSH DC MOTOR CONTROLLER
JESD-30 代码:S-PQCC-J20JESD-609代码:e3
长度:8.965 mm湿度敏感等级:2
功能数量:1端子数量:20
最高工作温度:70 °C最低工作温度:
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
峰值回流温度(摄氏度):220电源:+-5,+-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):15 mA
最大供电电压 (Vsup):20 V最小供电电压 (Vsup):2.5 V
标称供电电压 (Vsup):15 V表面贴装:YES
技术:BIPOLAR温度等级:COMMERCIAL
端子面层:TIN端子形式:J BEND
端子节距:1.27 mm端子位置:QUAD
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:8.965 mm
Base Number Matches:1

UC3637Q 数据手册

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UC1637  
UC2637  
UC3637  
Switched Mode Controller for DC Motor Drive  
FEATURES  
DESCRIPTION  
Single or Dual Supply  
Operation  
The UC1637 is a pulse width modulator circuit intended to be used for a variety of  
PWM motor drive and amplifier applications requiring either uni-directional or bi-  
directional drive circuits. When used to replace conventional drivers, this circuit  
can increase efficiency and reduce component costs for many applications. All  
necessary circuitry is included to generate an analog error signal and modulate  
two bi-directional pulse train outputs in proportion to the error signal magnitude  
and polarity.  
±
±
2.5V to 20V Input Supply  
Range  
±
5% Initial Oscillator  
±
Accuracy; 10% Over  
Temperature  
This monolithic device contains a sawtooth oscillator, error amplifier, and two  
Pulse-by-Pulse Current  
Limiting  
±
PWM comparators with 100mA output stages as standard features. Protection  
circuitry includes under-voltage lockout, pulse-by-pulse current limiting, and a  
shutdown port with a 2.5V temperature compensated threshold.  
Under-Voltage Lockout  
The UC1637 is characterized for operation over the full military temperature range  
of -55°C to +125°C, while the UC2637 and UC3637 are characterized for -25°C to  
+85°C and 0°C to +70°C, respectively.  
Shutdown Input with  
Temperature Compensated  
2.5V Threshold  
Uncommitted PWM  
Comparators for Design  
Flexibility  
ABSOLUTE MAXIMUM RATINGS (Note 1)  
±
±
Supply Voltage ( Vs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V  
Output Current, Source/Sink (Pins 4, 7) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mA  
±
Analog Inputs (Pins 1, 2, 3, 8, 9, 10, 11 12, 13, 14, 15, 16) . . . . . . . . . . . . . . . . . . . . . . . Vs  
Error Amplifier Output Current (Pin 17) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA  
Dual 100mA, Source/Sink  
Output Drivers  
±
Oscillator Charging Current (Pin 18). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -2mA  
Power Dissipation at TA = 25°C (Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000mW  
Power Dissipation at TC = 25°C (Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2000mW  
Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65°C to +150°C  
Lead Temperature (Soldering, 10 Seconds). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +300°C  
Note 1: Currents are positive into, negative out of the specified terminal.  
Note 2: Consult Packaging Section of Databook for thermal limitations and considerations  
of package.  
BLOCK DIAGRAM  
6/97  

UC3637Q 替代型号

型号 品牌 替代类型 描述 数据表
UC2637QTR TI

完全替代

Switched Mode Controller for DC Motor Drive
UC2637Q TI

完全替代

Switched Mode Controller for DC Motor Drive
UC3637DWTR TI

完全替代

Switched Mode Controller for DC Motor Drive

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