ICB2FL03G Datasheet, PDF (40/60 Pages) Infineon Technologies AG – 2nd Generation FL Controller for Fluorescent Lamp Ballasts

ICB2FL03G
Controller for Fluorescent Lamp Ballasts
Protection Functions Matrix
4
Protection Functions Matrix
Table 3 Protection Functions Matrix
Description of Fault
Characteristics of Fault
Operating Mode Detection Active
Consequence
Supply voltage V_cc < 14.0 V Below start- S 1μs X
before power-up
up threshold
Prevents power-up
Supply voltage V_cc < 10.6 V Below UVLO S 5μs X X X X X X X X Power-down, reset
after power-up
threshold
failure latch
Current into LVS pin < 12μA Open
(typ.) before power-up
filament HS
S 100μs X
Prevents power-up
Voltage at RES pin > 1.6 V Open
before power-up
filament LS
S 100μs X
Prevents power-up
Voltage at RES pin > 3.2 V Open
filament LS
F 620μs
X Power down, latched
fault mode, 1 restart
Bus voltage < 12.5% of rated Open loop
level 10 μs after power-up detection
Bus voltage < 12.5 %
of rated level
Open loop
detection
Bus voltage < 12.5%
of rated level
Shut-down
option
Bus voltage < 75%
Under-
of rated level
voltage
add. shut down delay 120μs
S 1μs
N 1μs
U 625ms
U 84μs
X
Keep Gate drives off, re-
start after V_cc hysteresis
X X X X X X Stops PFC FET until
V_BUS > 12.5%
X Power down, restart
when V_BUS> 12.5%
X Power down, 100ms
delay, restart, skip pre-
heating max 7 times
Bus voltage < 95% of rated Timeout max A 80ms
X
level during start-up
start-up time
Power down, 200ms
delay, restart
Bus voltage > 105% of rated Over-
S 5μs
X
level 10μs after power-up voltage
Keep Gate drives off, re-
start after Vcc hysteresis
Bus voltage > 109% of rated PFC
level in active operation
overvoltage
Bus voltage > 109% of rated Inverter
level in active operation
overvoltage
+/- peak level of lamp voltage EOL 1
at pin LVS above threshold overvoltage
N 5μs
U 625ms
F 620μs
X X X X X X Stops PFC FET until
V_BUS< 105%
X Power down, restart
when V_BUS<105%
X Power down, latched
fault mode, 1 restart
DC level of lamp voltage
above +/- threshold
EOL 2
rect. effect
F 2500ms
X Power down, latched
fault mode, 1 restart
Capacitive load 1
Cap load 1
idling
F 2500ms
X Power down, latched
fault mode, 1 restart
Capacitive load 2,
Cap. load 2
operation below resonance overload
F 620μs
X Power down, latched
fault mode, 1 restart
Final Data Sheet
40
V1.1, 2013-08-14