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U211B Datasheet Phase Controller

Manufacturer: Atmel (now Microchip Technology)

General Description

The integrated circuit Atmel® U211B is designed as a phase-control circuit in bipolar technology with an internal frequency-to-voltage converter.

The device includes an internal control amplifier which means it can be used for speed-regulated motor applications.

Amongst others, the device

Key Features

  • Internal Frequency-to-voltage Converter.
  • Externally Controlled Integrated Amplifier.
  • Overload Limitation with “Fold Back” Characteristic.
  • Optimized Soft-start Function.
  • Tacho Monitoring for Shorted and Open Loop.
  • Automatic Retriggering Switchable.
  • Triggering Pulse Typically 155mA.
  • Voltage and Current Synchronization.
  • Internal Supply-voltage Monitoring.
  • Temperature Reference Source.
  • Current Require.

U211B Distributor