U211B3 Datasheet PDF | TEMIC Semiconductors

TEMIC Semiconductors U211B3

The U211B2 is fitted with voltage limiting and can ă therefore be supplied directly from the mains. The supply voltage between Pin 2 (+ pol/ ) and Pin 3 builds up across D1 and R1 and is smoothed by C1. The reference voltage source on Pin 16 of typ.

Part No.	U211B3
Datasheet	U211B3 Download
Manufacturer	TEMIC Semiconductors
Description	Phase Control Circuit - General Purpose Feedback
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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. 155 mA D Voltage and current synchronization D Internal supply-voltage monitoring D Temperature reference source D Current requirement ≤ 3 mA 17(16) 1(1) 5*) Voltage / current detector Automatic retriggering Output 4(4) pulse 11(10) Control + amplifier 10(9) – 14(13) 15(14) Load limitation spe...