ICB2FL01GXT Infineon Technologies, ICB2FL01GXT Datasheet - Page 29
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ICB2FL01GXT
Manufacturer Part Number
ICB2FL01GXT
Description
Manufacturer
Infineon Technologies
Datasheet
1.ICB2FL01GXT.pdf
(56 pages)
Specifications of ICB2FL01GXT
Driver Type
Fluorescent Lamp
Number Of Segments
1
Operating Temperature (min)
-25C
Operating Temperature (max)
125C
Operating Temperature Classification
Commercial
Package Type
DSO
Mounting
Surface Mount
Lead Free Status / RoHS Status
Compliant
2.6.3 Adjustable self adapting Dead Time
The dead time between the turn OFF and turn ON of the half – bridge drivers is adjustable (C16 see
Figure 3) and detected via a second threshold (– 100 mV) of the LSCS voltage. The range of the dead
time adjustment is 1.25 µs up to 2.5 µs during all operating modes. Start of the dead time
measurement is the OFF switching of the high side MOSFET. The finish of the dead time
measurement is, when V
below -100mV. This time will be stored (stored dead time) and the low side gate driver switches ON.
The high side gate driver turns ON again after OFF switching of the low side switch and the stored
dead time.
Figure 27: Dead Time of ON and OFF of the Half Bridge Drivers
Datasheet
V
Gate LS
Gate HS
LSCS
= -100mV
START of Dead Time
V
V
DSLS
LSCS
Measurement
LSCS
drops for longer than typical 280ns (internal fixed propagation delay)
2
Stored Dead Time
nd
Generation FL-Controller for FL-Ballasts
Normal Operation in RUN Mode
Page 29 of 56
Propagation Delay
Dead Time
280 ns
END of Dead Time
Measurement
Stored Dead Time
Functional Description
Dead Time
ICB2FL01G
V1.2