U208B - Open Loop Phase Control Circuit

TEMIC Semiconductors (now Microchip)

Datasheet Details

Part number	U208B
Manufacturer	TEMIC Semiconductors (now Microchip)
File Size	85.78 KB
Description	Open Loop Phase Control Circuit
Datasheet	U208B Datasheet

The integrated circuit, U208B, is designed as a phase control circuit in bipolar technology with internal supply-voltage monitoring.

As the voltage is built up, uncontrolled output pulses are avoided by internal monitoring.

Furthermore, it has internal-current and voltage synchronisation.

U208B Open Loop Phase Control Circuit.

D Automatic retriggering D Triggering pulse typ. 125 mA D Voltage and current synchronisation D Internal supply voltage monitoring D Current requirement ≤ 2.5 mA Package: DIP8 Block Diagram BYT77 18 kW/ 2W R3 220 kW/ 0.5 W 7 Voltage detector 8 Current detector Automatic retriggering Output pulse 3 R7 180 W R4 470 kW/ 0.5 W D1 R1 M L 95 11224 TIC 236N VM = 230 V ~ 5 4 R2 180 kW R6 18 kW 100 kW R5 120 kW 6 10 nF C2.
VS C1 22 mF/ 25 V N Phase control unit ö = f (V6) 2 Supply voltage.

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