U2100B-MFP Datasheet, PDF (5/13 Pages) List of Unclassifed Manufacturers – Timer Control for Triac and Relay

DC Operation
4769B–INDCO–12/04
Figure 5. Zero Voltage Switch Operation
2
-V_S
4
Sync
D₁
R₁
C₁
R_sync
Z
L
V_M
3
R_G
Output
I_G
1
GND
N
U2100B
Selection condition (Figure 6):
+V₄ = 6.1 V
where:
-V₄ = internal limitation
R₀ ≈ 1/10 X_c
X_c
=
0.85
-^V----^M-----–-----^V----^S-
I_tot
I_tot = I_S + I_Rel + I_X
C₀
=
--------¹---------
ω× X_C
Figure 6. DC Operation
2
-V_S
1
GND
3
Output
4
Sync
22 V
C₁
Rel
I_Rel
C₀
R₀
R_sync
N
V_M
230 V~
L
5