ICB2FL03G Datasheet, PDF (46/60 Pages) Infineon Technologies AG – 2nd Generation FL Controller for Fluorescent Lamp Ballasts

5.3.2 PFC Section
5.3.2.1 PFC Current Sense (PFCCS)
ICB2FL03G
Controller for Fluorescent Lamp Ballasts
Electrical Characteristics
Parameter
Turn – Off Threshold
Over Current Blanking +
Propagation Delay¹⁾
Leading Edge Blanking
PFCCS Bias Current
1) Propagation delay = 50 ns
Symbol
V_PFCCSOff
t_PFCCSOff
Limit Values
min. typ. max.
0.95 1.0 1.05
140 200 260
Unit
V
ns
Test Conditions
t_Blanking
I_PFCCSBias
180 250 310
–0.5 – 0.5
ns Pulse width when V_PFCCS > 1.0 V
μA V_PFCCS = 1.5V
5.3.2.2 PFC Zero Current Detection (PFCZCD)
Parameter
Zero Crossing upper Thr.¹⁾
Zero Crossing lower Thr.²⁾
Zero Crossing Hysteresis
Clamping of pos. Voltages
Clamping of neg. Voltages
PFCZCD Bias Current
PFCZCD Bias Current
PFCZCD Ringing Su.³⁾ Time
Limit Value for ON Time
Extension
1) Turn OFF threshold
2) Turn ON threshold
3) Ringing Suppression Time
Symbol
V_PFCZCDUp
V_PFCZCDLow
V_PFCZCDHys
V_PFCZCDpclp
V_PFCZCDnclp
I_PFCZCDBias
I_PFCZCDBias
t_Ringsup
∆t x I_ZCD
Limit Values
min. typ. max.
1.4 1.5 1.6
0.4 0.5 0.6
– 1.0 –
4.1 4.6 5.1
–1.7 –1.4 –1.0
–0.5 – 5.0
–0.5 – 0.5
350 500 650
500 700 900
Unit
V
V
V
V
V
μA
μA
ns
pAxs
Test Conditions
I_PFCZCDSink = 2mA
I_PFCZCDSource = –2mA
V_PFCZCD = 1.5V
V_PFCZCD = 0.5V
Final Data Sheet
46
V1.1, 2013-08-14