ICB2FL02G Datasheet, PDF (45/55 Pages) Infineon Technologies AG – Smart Ballast Control IC for Fluorescent Lamp Ballasts

2^nd Generation FL-Controller for FL-Ballasts
Electrical Characteristics
5.3.2 PFC Section
5.3.2.1
PFC Current Sense (PFCCS)
Parameter
Turn – Off Threshold
Over Current Blanking +
Propagation Delay ¹⁾
Leading Edge Blanking
PFCCS Bias Current
1) _{Propagation Delay = 50ns}
Symbol
V_PFCCSOff
t_PFCCSOff
t_Blanking
I_PFCCSBias
Limit Values
min. typ. max.
0.95 1.0 1.05
140 200 260
180
- 0.5
250 310
— 0.5
Unit
V
ns
ns
µA
Test Condition
Pulse Width when
V_PFCCS > 1.0V
V_PFCCS = 1.5V
5.3.2.2
PFC Zero Current Detection (PFCZCD)
Parameter
Symbol
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
V_PFCZCDUp
V_PFCZCDLow
V_PFCZCDHys
V_PFCZCDpclp
V_PFCZCDnclp
I_PFCZCDBias
I_PFCZCDBias
t_Ringsup
Δ^{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
Unit
Test Condition
V
V
V
V
I
= 2mA
PFCZCDSink
V
I
= - 2mA
PFCZCDSource
µA V_PFCZCD = 1.5V
µA V_PFCZCD = 0.5V
ns
500 700 900 pAxs
1) _{Turn OFF Threshold}
2) _{Turn ON Threshold}
3) _{Ringing Suppression Time}
5.3.2.3
PFC Bus Voltage Sense (PFCVS)
Parameter
Trimmed Reference Voltage
Overvoltage turn Off (109%)
Overvoltage turn On (105%)
Overvoltage Hysteresis
Under voltage (75%)
Under voltage (12.5%)
Rated Bus Voltage (95%)
PFCVS Bias Current
Symbol
V_PFCVSRef
V_PFCVSRUp
V_PFCVSLow
V_PFCVSHys
V_PFCVSUV
V_PFCVSUV
V_PFCVS95
I_PFCVSBias
Limit Values
min. Typ. max.
2.47 2.50 2.53
2.68 2.73 2.78
2.57 2.63 2.68
70 100 130
1.835 1.88 1.915
0.237 0.31 0.387
2.325 2.38 2.425
- 1.0 — 1.0
Unit
V
V
V
mV
V
V
V
µA
Test Condition
± 1.2 %
4 % rated Bus Voltage
V_PFCVS = 2.5V
Preliminary Datasheet
Page 45 of 55
ICB2FL02G
V1.2