ICB2FL03G Datasheet, PDF (35/60 Pages) Infineon Technologies AG – 2nd Generation FL Controller for Fluorescent Lamp Ballasts

ICB2FL03G
Controller for Fluorescent Lamp Ballasts
Functional Description
2.8.2 Deactivation of the Filament Detection
In order to deactivate the filament detection of the low or high side filament, set the RES pin 13 or the LVS pin to
GND. In this case, the IC starts up in normal operation without checking the filaments – e.g. when using an
equivalent lamp resistive load instead of a load.
V_CC
17.5 V
16.0 V
14.0 V
10.6 V
Chip Supply Voltage
Start Up
VRES ^UVLO Hysteresis
5.0 V
1.6 V
1.3 V
VLSGD
10V
RES PIN set to GND
Time
Time
VLamp
Time
Time
Figure 31 Deactivation via RES PIN
V_CC
17.5 V
16.0 V
14.0 V
10.6 V
Chip Supply Voltage
Start Up
VRES ^UVLO Hysteresis
5.0 V
1.6 V
1.3 V
VLSGD
10V
LVS PIN set to GND
VLamp
Time
Time
Time
Time
Figure 32 Deactivation via LVS PIN
Figure 31 shows the deactivation of the low and high side filament via set the RES pin 13 to GND. Figure 32
shows the deactivation of the high side filament detection via set the LVS pin to GND.
Note: An unused LVS pin has to be set to GND.
Final Data Sheet
35
V1.1, 2013-08-14