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