ICB1FL01G Datasheet, PDF (25/38 Pages) Infineon Technologies AG – Smart Ballast Control IC for Fluorescent Lamp Ballasts

ICB1FL01G
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
97.5 100
102.5
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
49.0 50.0 51.0 kHz
700
1000 1300 ms
55
100
145
ms
110
140
170
µA
40
ms
Max. Duration of Ignition, shift F from
Preheating to Run Frequency
235
ms
Duration of Pre-Run, time period after
operating frequency has reached Run
Frequency first time after ignition
250
ms
Minimum Duration of fault condition
by EOL1, EOL2, Cap.Load 1, Open
filament and Overvoltage for entering
latched Fault Mode
500
ms
Minimum Duration of fault condition t_CAPLOAD2 520
610
750
µs
by 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 = 8.06kΩ¹⁾
R_RTPH = 806Ω¹⁾
1)
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 1.5
25
June 2005