ICB1FL03G Datasheet, PDF (25/38 Pages) Infineon Technologies AG – Smart Ballast Control IC for Fluorescent Lamp Ballasts

ICB1FL03G
Electrical Characteristics
6.3.3
Inverter Section
6.3.3.1 Inverter Control (RFRUN, RFPH, RTPH)
Parameter
Fixed Start-Up Frequency
Duration of Soft Start, shift F from
Start-Up to Preheating Frequency
Preheating Frequency
Symbol
F_startup
t_softstart
F_RFPH1
min.
112
9.0
Limit Values
typ.
max.
125
138
11.0 13.5
97.0 100
103.0
Unit
kHz
ms
kHz
Run Frequency
Preheating Time
Preheating Time
Current Source Preheating Time
Min. Duration of Ignition, shift F from
Preheating to Run Frequency
F_RFRUN1
t_RTPH1
t_RTPH2
I_RTPH
t_IGNITION
Max. Duration of Ignition, shift F from t_NOIGNITION
Preheating to Run Frequency
Duration of Pre-Run, time period after t_PRERUN
operating frequency has reached Run
Frequency first time after ignition
Minimum Duration of fault condition
by EOL2, Cap.Load 1, Open filament
and Overvoltage for entering latched
Fault Mode
t_CAPLOAD1
Minimum Duration of fault condition
by EOL1, Cap.Load 2 for entering
latched Fault Mode
t_CAPLOAD2
49.0
720
50
132
34
210
210
420
520
50.0
900
90
140
40
235
250
500
610
51.0 kHz
1080 ms
130
ms
148
µA
48
ms
290
ms
290
ms
580
ms
770
µs
1) _{The parameter is not subject to production test - verified by design/characterization}
Test Condition
R_RFPH = 10kΩ
R_RFRUN = 10kΩ
R_RFRUN = 10kΩ
R_RTPH = 8.06kΩ
R_RTPH = 806Ω¹⁾
1)
1)
1)
1)
6.3.3.2 Inverter Low Side Current Sense (LSCS)
Parameter
Symbol
Current Limit Threshold during
Ignition Mode
Duration of Current above Threshold
for enabling Frequency Increase
Overcurrent Shut Down Threshold
Duration of Overcurrent for entering
Latched Fault Mode
Bias Current LSCS
Inverter Dead Time between LS off
and HS on
V_LSCSlimit
t_LSCSlimit
V_LSCSovc
t_LSCSovc
I_LSCSbias
t_deadtime
min.
0.76
Limit Values
typ.
max.
0.80 0.84
200
250
320
1.55 1.60 1.65
320
400
480
-0.5
0.5
1.50 1.75 2.0
Unit
V
ns
V
ns
µA
µs
Test Condition
V_LSCS = 1.5V
Preliminary Datasheet Version 1.02
25
March 2009