ICB2FL02G Datasheet, PDF (37/55 Pages) Infineon Technologies AG – Smart Ballast Control IC for Fluorescent Lamp Ballasts

2^nd Generation FL-Controller for FL-Ballasts
State Diagram
3
State Diagram
3.1 Features during different operating modes
Mains Switch turned on; 0V < Vcc < 10.6V; I_VCC < 130µA; I_RES= 0µA
10.6V < Vcc < 14.1V; I_VCC < 160µA; I_RES= 21.3µA
10.6V < Vcc < 17.5V;
I_RES= 21.3µA; f= F_RUN
Vcc > 14.1V & Filament detected; 12,5%< VBUS <105% => Start
after 130µs
F_START = 135kHz as long as VBUS < 95%
10.6V < Vcc < 17.5V
f= F_RUN
10.6V < Vcc < 17.5V
VBUS > 95%
F_START > f > F_PH
10.6V < Vcc < 17.5V
f= F_PH
10.6V < Vcc < 17.5V
F_PH > f > F_RUN
Typ. 60ms Typ. 35ms 0...80ms 10ms
UVLO Monitoring Start-up Softstart
0...2500ms
Preheating
40...237ms
Ignition
625ms
Pre-Run Run
BUS Overvoltage > 109% U enabled PFC enabled PFC
BUS Overvoltage > 105% A enabled 130µs
BUS Undervoltage < 95% A enabled
BUS Undervoltage < 75%
BUS Open Loop < 12,5%
Overcurrent PFC
U
U _{enabled PFC enabled PFC}
N enabled
enabled
Overcurrent Inverter
F enabled 1,6V enabled 1,6V
Capacitive Load 2
F
EOL 1, Overload
F
EOL 2, Rectifier Effect
F
enabled PFC
enabled PFC
enabled
enabled 0,8V
enabled PFC
enabled
PFC
enabled
enabled
PFC 5µs
Inv 625ms
enabled PFC
enabled
enabled 1,6V
enabled 84µs
enabled PFC
enabled PFC 5µs
enabled Inv 625ms
enabled
enabled 200ns
Threshold 1.0V
enabled
1,6V
enabled 500ns
Threshold 0.8V
enabled 620µs
enabled 620µs
enabled 2,5s
A = Auto Restart
N = No Fault
U = Undervoltage
F = Fault, a single Restart
Fault: 10.6V < Vcc < 17.5V; I_VCC < 170µA; I_RES= 21.3µA
disabled by Lamp Removal or UVLO
F= A single Restart is possible after delay of 200ms by internal Timer
Figure 35 Monitoring Features during different operating Modes
Minimum
Duration
of Effect
Preliminary Datasheet
Page 37 of 55
ICB2FL02G
V1.2