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
UC1637J883B Rochester Electronics LLC Motor Control
UC1637L883B Rochester Electronics LLC Motor Control
UC1637J Rochester Electronics LLC Motor Control
UC1637L Rochester Electronics LLC Motor Control
UC1637J Texas Instruments Switched Mode Controller for DC Motor Drive 18-CDIP -55 to 125
UC1637L883B Texas Instruments Switched Mode Controller for DC Motor Drive 20-LCCC -55 to 125
UC1637L Texas Instruments Switched Mode Controller for DC Motor Drive 20-LCCC -55 to 125
UC1637J883B Texas Instruments Switched Mode Controller for DC Motor Drive 18-CDIP -55 to 125
74AUC16374BVI Integrated Device Technology Inc CABGA-56, Tray
74AUC16373PFI8 Integrated Device Technology Inc TVSOP-48, Reel
UC1637 's PackagesUC1637 's pdf datasheet
5962-89957012A LCCC
5962-8995701VA DIP
UC1637J DIP
UC1637J883B DIP
UC1637L LCCC
UC1637L883B LCCC




UC1637 Pinout, Pinouts
UC1637 pinout,Pin out
This is one package pinout of UC1637,If you need more pinouts please download UC1637's pdf datasheet.

UC1637 Application circuits
UC1637 circuits
This is one application circuit of UC1637,If you need more circuits,please download UC1637's pdf datasheet.


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UC1637 Application Notes UC1637 RoHS UC1637 Circuits UC1637 footprint
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