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UC3637 - DC Motor Controller

General Description

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 bidirectional drive circuits.

Key Features

  • Single or Dual Supply Operation ±2.5V to ±20V Input Supply Range ±5% Initial Oscillator Accuracy; ± 10% Over Temperature Pulse-by-Pulse Current Limiting Under-Voltage Lockout Shutdown Input with Temperature Compensated 2.5V Threshold Uncommitted PWM Comparators for Design Flexibility Dual 100mA, Source/Sink Output Drivers.

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Datasheet Details

Part number UC3637
Manufacturer Unitrode
File Size 337.85 KB
Description DC Motor Controller
Datasheet download datasheet UC3637 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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UC1637 UC2637 UC3637 Switched Mode Controller for DC Motor Drive FEATURES • • • Single or Dual Supply Operation ±2.5V to ±20V Input Supply Range ±5% Initial Oscillator Accuracy; ± 10% Over Temperature Pulse-by-Pulse Current Limiting Under-Voltage Lockout Shutdown Input with Temperature Compensated 2.5V Threshold Uncommitted PWM Comparators for Design Flexibility Dual 100mA, Source/Sink Output Drivers DESCRIPTION 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 bidirectional drive circuits. When used to replace conventional drivers, this circuit can increase efficiency and reduce component costs for many applications.