Switched Mode Controller For DC Motor Drive

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.
This monolithic device contains a sawtooth Oscillator error Amplifier and two 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.
The UC1637 is characterized for operation over the full military temperature range of -55C to +125C, while the UC2637 and UC3637 are characterized for -25C to +85C and 0C to +70C, respectively.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
UC2637N Texas Instruments Switched Mode Controller for DC Motor Drive 18-PDIP -25 to 85
UC2637QG3 Texas Instruments BRUSH DC MOTOR CONTROLLER, 0.5A, PQCC20, GREEN, PLASTIC, LCC-20
UC2637QTR Texas Instruments Switched Mode Controller for DC Motor Drive 20-PLCC 0 to 0
UC2637DWTRG4 Texas Instruments Switched Mode Controller for DC Motor Drive 20-SOIC -25 to 85
UC2637J Texas Instruments Switched Mode Controller for DC Motor Drive 18-CDIP 0 to 0
UC2637Q Texas Instruments Switched Mode Controller for DC Motor Drive 20-PLCC 0 to 0
UC2637NG4 Texas Instruments Switched Mode Controller for DC Motor Drive 18-PDIP -25 to 85
UC2637DW Texas Instruments Switched Mode Controller for DC Motor Drive 20-SOIC -25 to 85
UC2637QTRG3 Texas Instruments BRUSH DC MOTOR CONTROLLER, 0.5A, PQCC20, GREEN, PLASTIC, LCC-20
UC2637DWG4 Texas Instruments Switched Mode Controller for DC Motor Drive 20-SOIC -25 to 85
UC2637 's PackagesUC2637 's pdf datasheet
UC2637DW SOIC
UC2637DWG4 SOIC
UC2637DWTR SOIC
UC2637DWTRG4 SOIC
UC2637J DIP
UC2637N PDIP
UC2637NG4 PDIP
UC2637Q PLCC
UC2637QG3 PLCC
UC2637QTR PLCC
UC2637QTRG3 PLCC




UC2637 Pinout, Pinouts
UC2637 pinout,Pin out
This is one package pinout of UC2637,If you need more pinouts please download UC2637's pdf datasheet.

UC2637 Application circuits
UC2637 circuits
This is one application circuit of UC2637,If you need more circuits,please download UC2637's pdf datasheet.


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UC2637 Application Notes UC2637 RoHS UC2637 Circuits UC2637 footprint
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