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UC2637 - 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 BLOCK.

📥 Download Datasheet

Datasheet Details

Part number UC2637
Manufacturer Unitrode
File Size 1.38 MB
Description DC Motor Controller
Datasheet download datasheet UC2637 Datasheet

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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Switched Mode Controller for DC Motor Drive UC1637 UC2637 UC3637 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 BLOCK DIAGRAM 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.