ICB2FL03G Infineon Technologies, ICB2FL03G Datasheet - Page 21

• Manufacturer Part Number: ICB2FL03G
• Description: LED Drivers
• Manufacturer: Infineon Technologies

Specifications of ICB2FL03G

• Packages: PG-DSO-16
• Lead Free Status / Rohs Status: Details
• Other names: ICB2FL03GXT

A restart is initiated when a filament is detected e.g. in the case of a lamp removal. If a filament is present
(Figure
pin is set from I
preheating, into the run mode
2.3.3
An open high side filament during the start-up hysteresis (10.6 V < V
the LVS pin 12 is below I
I
I
Figure
Figure 12
Preliminary Data Sheet
RES1
RES2
= -42.6 µA. This causes the voltage at the RES pin to cross V
= -35.4 µA and another threshold of V
12), and the gate drives of the PFC and inverter stage do not start working.
11, section 2), the voltage drops below 1.3 V and the value of the source current flowing out of the RES
Start-Up with Broken High Side Filament
Start-Up with Open High Side Filament
RES4
= -17.7 µA up to I
LVS
17.5 V
16.0 V
14.0 V
10.6 V
17.7µA
42.6µA
35.4µA
21.3µA
V
V
1.6 V
1.3 V
V
2.0 V
12µA
I
I
RES
LVS
RES
CC
Lamp
= 12 µA (typically). In that case, the current flowing out of the RES pin 13 rises up to
(Figure
UVLO
Hysteresis
RES3
Start Up
11, section 3).
= -21.3 µA. The controller powers up the system, including soft start and
Start UP with OPEN HIGH Side Filament
RES2
No Power UP
= 1.3 V is active. The controller prevents a power-up (see
Chip Supply Voltage
21
I
I
RES
LVS
Controller for Fluorescent Lamp Ballasts
RES1
CC
< 14.0 V) is detected when the current into
= 1.6 V. The source current is now set to
Time
Time
Time
Time
Time
Functional Description
V1.1, 2012-04-10
ICB2FL03G