U2100B Datasheet, PDF (2/14 Pages) TEMIC Semiconductors – Timer Control for Triac and Relay

Figure 1-1. Block Diagram with External Circuit
8
C₂
Trigger
6
signal
5
Enable
C_t
7
R_t
-V_Ref
0.5 V_Ref
+
-
Trigger
window
+
-
0.65 V_Ref
Supply voltage
limitation
Voltage control
monitoring
Sync
Mode
selection
Noise
suppression
40 ms
Retrigger
delay
640 ms
Control
logic
0.6 V_Ref
0.5 V_Ref
ON
OFF
RC Oscillator
Divider 1:2¹⁰
2
C₁
-V_S
4
R₁
D₁
R_sync
Load
3
R_G
Output
1
GND
L
Z
V_mains
N
2 U2100B
4769C–INDCO–07/05