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UC2637QTR PDF预览

UC2637QTR

更新时间: 2024-02-10 19:27:01
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

UC2637QTR 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:QLCC包装说明:QCCJ, LDCC20,.4SQ
针数:20Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.64其他特性:ALSO REQUIRES -2.5V TO -20V SUPPLY
模拟集成电路 - 其他类型:BRUSH DC MOTOR CONTROLLERJESD-30 代码:S-PQCC-J20
JESD-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: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峰值回流温度(摄氏度):260
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:OTHER端子面层:Matte Tin (Sn)
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 mmBase Number Matches:1

UC2637QTR 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  

UC2637QTR 替代型号

型号 品牌 替代类型 描述 数据表
UC2637DWTR TI

完全替代

Switched Mode Controller for DC Motor Drive
UC2637DWG4 TI

完全替代

Switched Mode Controller for DC Motor Drive
UC2637DW TI

完全替代

Switched Mode Controller for DC Motor Drive

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