ICL8001G Datasheet, PDF (13/16 Pages) Infineon Technologies AG – Single-Stage Flyback And PFC Controller For LED Lighting Applications

4.3.7
Digital Zero Crossing
Parameter
Symbol
Zero crossing threshold voltage
Ringing suppression threshold
Minimum ringing suppression
time
V_ZCCT
V_ZCRS
t_ZCRS1
Maximum ringing suppression t_ZCRS2
time
ZCV current for IC switch
threshold to high line
I_ZCSH
ZCV current for IC switch
threshold to low line
I_ZCSL
Maximum restart time in normal t_OffMax
operation
Single-Stage Flyback and PFC Controller
ICL8001G
Electrical Characteristics
Limit Values
Unit
min. typ.
max.
50
100
170
mV
-
0.7
-
V
1.62 2.5
4.5
µs
-
25
-
µs
-
1.3
-
mA
-
0.8
-
mA
30
42
57.5 µs
Test Condition
V_ZC > V_ZCRS
V_ZC < V_ZCRS
4.3.8
Protection
Parameter
Symbol
VCC overvoltage threshold
Output Overvoltage detection
threshold at the ZCV pin
V_VCCOVP
V_ZCOVP
Blanking time for Output
Overvoltage protection
t_ZCOVP
Threshold for short winding
protection
V_CSSW
Blanking time for short-windding t_CSSW
protection
Over temperature protection¹⁾ T_jCon
Limit Values
Unit
min. typ.
max.
24.0 25.0 26.0 V
3.55 3.7
3.84 V
100
µs
1.63 1.68 1.78 V
-
190
-
ns
-
140
-
°C
Test Condition
Note: The trend of all the voltage levels in the Control Unit is the same regarding the deviation except V_VCCOVP
Version 1.0
13
May 6, 2010