Features: · BCD-OFF LINE TECHNOLOGY· FLOATING SUPPLY VOLTAGE UP TO 570V· GND REFERRED SUPPLY VOLTAGE UP TO 18V· UNDER VOLTAGE LOCK OUT· CLAMPING ON Vs· DRIVER CURRENT CAPABILITY: 30mA SOURCE 70mA SINK· PREHEAT AND FREQUENCY SHIFT TIMINGPinoutSpecifications Symbol Parameter Value Unit VS...
L6567D: Features: · BCD-OFF LINE TECHNOLOGY· FLOATING SUPPLY VOLTAGE UP TO 570V· GND REFERRED SUPPLY VOLTAGE UP TO 18V· UNDER VOLTAGE LOCK OUT· CLAMPING ON Vs· DRIVER CURRENT CAPABILITY: 30mA SOURCE 70mA SI...
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Symbol | Parameter | Value | Unit |
VS | Low Voltage Supply | 18 (1) | V |
VRHV | Mains Voltage Sensing | VS +2VBE (2) | |
VCP | Preheat/Averaging | 5 | V |
VCF | Oscillator Capacitor Voltage | 5 | V |
VCI | Frequency Shift Capacitor Voltage | 5 | V |
VRREF | Reference Resistor Voltage | 5 | V |
VRS | Current Sense Input Voltage | -5 to 5 | V |
transient 50ns | -15 | V | |
VG2 | Low Side Switch Gate Output | 18 | V |
VS1 | High Side Switch Source Output: normal operation | -1 to 373 | V |
0.5sec mains transient | -1 to 550 | V | |
VG1 | High Side Switch Gate Output: normal operation | -1 to 391 | V |
0.5sec mains transient | -1 to 568 | V | |
with respect to pin S1 | Vbe to VS | V | |
VFS | Floating Supply Voltage: normal operation | 391 | V |
0.5sec mains transient | 568 | V | |
VFS/S1 | Floating Supply vs S1 Voltage | 18 | V |
VFS/T | VFS Slew Rate (Repetitive) | -4 to 4 | V/ns |
VS1/T | VS1 Slew Rate (Repetitive) | -4 to 4 | V/ns |
IRHV | Current Into RHV | 3 (3) | mA |
IVs | Clamped Current into VS | 200 (4) | mA |
Tstg | Storage Temperature | -40 to 150 | °C |
Tj | Junction Temperature | -40 to 150 | °C |
The L6567D is a monolithic high voltage integrated circuit designed to drive CFL and small TL lamps with a minimum part count.
L6567D provides all the necessary functions for proper preheat, ignition and steady state operation of the lamp:
· variable frequency oscillator;
· settable preheating and ignition time;
· capacitive mode protection;
· lamp power independent from mains voltage variation.
Besides the control functions, the IC provides the level shift and drive function for two external power MOS FETs in a half-bridge topology.