U211B
Overview
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.
- 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
