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U211B2 - Phase Control Circuit - General Purpose Feedback

General Description

The integrated circuit U211B2/ B3 is designed as a phasecontrol circuit in bipolar technology with an internal frequency-voltage converter.

Furthermore, it has an internal control amplifier which means it can be used for speed-regulated motor applications.

Key Features

  • D Internal frequency-to-voltage converter D Externally-controlled integrated amplifier D Overload limitation with a “fold back” characteristic D Optimized soft-start function D Tacho monitoring for shorted and open loop Block Diagram It has an integrated load limitation, tacho monitoring and soft-start functions, etc. to realize sophisticated motor control systems. D Automatic retriggering switchable D Triggering pulse typ. 155 mA D Voltage and current synchronization D Internal supply-voltage.

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U211B2/ B3 Phase-Control Circuit - General Purpose Feedback Description The integrated circuit U211B2/ B3 is designed as a phasecontrol circuit in bipolar technology with an internal frequency-voltage converter. Furthermore, it has an internal control amplifier which means it can be used for speed-regulated motor applications. Features D Internal frequency-to-voltage converter D Externally-controlled integrated amplifier D Overload limitation with a “fold back” characteristic D Optimized soft-start function D Tacho monitoring for shorted and open loop Block Diagram It has an integrated load limitation, tacho monitoring and soft-start functions, etc. to realize sophisticated motor control systems. D Automatic retriggering switchable D Triggering pulse typ.