ICB1FL02G Datasheet, PDF (25/37 Pages) Infineon Technologies AG – Smart Ballast Control IC for Fluorescent Lamp Ballasts

ICB1FL02G
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
49.0 50.0 51.0 kHz
720
900
1080 ms
50
90
130
ms
132
140
148
µA
34
40
48
ms
Max. Duration of Ignition, shift F from t_NOIGNITION 210
235
290
ms
Preheating to Run Frequency
Duration of Pre-Run, time period after t_PRERUN
210
250
290
ms
operating frequency has reached Run
Frequency first time after ignition
Minimum Duration of fault condition t_CAPLOAD1 420
500
580
ms
by EOL2, Cap.Load 1, Open filament
and Overvoltage for entering latched
Fault Mode
Minimum Duration of fault condition t_CAPLOAD2 520
610
750
µs
by EOL1, Cap.Load 2 for entering
latched Fault Mode
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
Datasheet Version 1.2
25
February 2006