Features: · Adjustable preheat and ignition time· Adjustable preheat current· Adjustable lamp power· Lamp temperature stress protection at higher mains voltages· Capacitive mode protection· Protection against a too-low drive voltage for the power MOSFETs.PinoutSpecifications Symbol Param...
UBA2021P: Features: · Adjustable preheat and ignition time· Adjustable preheat current· Adjustable lamp power· Lamp temperature stress protection at higher mains voltages· Capacitive mode protection· Protecti...
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Symbol |
Parameter |
CONDITIONS |
Min. |
Max. |
Unit |
VFS |
high side floating supply voltage | operating |
- |
570 |
V |
t 0.5 s |
- |
630 |
V | ||
IVS(clamp) | clamp current | t 0.5 s |
- |
35 |
mA |
VRS |
input voltage pin RS |
-2.5 |
+2.5 |
V | |
transient of 50 ns |
-15.0 |
+2.5 |
V | ||
SR |
slew rate at pins S1, G1 and FS (with respect to ground) |
-4 |
+4 |
V/ns | |
P |
power dissipation |
- |
500 |
mW | |
Tamb |
ambient temperature |
-40 |
+150 |
||
Tj |
junction temperature |
-40 |
+150 |
||
Tstg |
storage temperature |
-55 |
+150 |
||
Qcouple |
charge coupling at pins RREF and CF | operating |
-8 |
+8 |
pC |
Vesd |
electrostatic handling voltage | human body model note 1 |
- |
3000 |
V |
machine model; note 2 |
- |
300 |
V |
Notes
1. Human body model: all pins are 3000 V maximum, except pins FS, G1, S1 and VS which are 1500 V maximum and
pin G2 which is 1000 V maximum.
2. Machine model: all pins are 300 V maximum, except pin G2 which is 125 V maximum.
The UBA2021 is a high-voltage IC intended to drive and control Compact Fluorescent Lamps (CFL) or fluorescent TL-lamps. It contains a driver circuit for an external half-bridge, an oscillator and a control circuit for starting up, preheating, ignition, lamp burning and protection.