NXP Semiconductors UBA20260
The UBA20260 is a high-voltage integrated circuit designed to control high power self-ballasted Compact Fluorescent Lamp (CFL) lighting applications. The UBA20260 is a controller circuit with advanced features for step dimming and a lamp current controlled boost feature for boosting cold (amalgam) CFLs. The controller contains a half-bridge drive function for CFLs, a high-voltage level-shift circuit with integrated bootstrap diode, an oscillator function, a current control function for preheat and burn, a timer function and protection circuits.| Part No. | UBA20260 |
|---|---|
| Datasheet | UBA20260 Download |
| Manufacturer |  NXP Semiconductors |
| Description | 600V driver IC |
| Buy | Stock & Price |
FEATURES AND BENEFITS
2.1 Half-bridge features● Integrated high-voltage level-shift function with integrated bootstrap diode 2.2 Preheat and ignition features
● Coil saturation protection during ignition
● Adjustable preheat time
● Adjustable preheat current
● Ignition lamp current detection 2.3 Lamp boost features
● Adjustable boost timing
● Fixed boost current ratio of 1.5
● Gradually boost to burn transition timing NXP Semiconductors UBA20260 600 V driver IC for step dimmable CFLs 2.4 Dim features
● 4-level step dimming adjustment using a standard on/off mains switch
● Adjustable memory retention time for step dimming
● Adjustable minimum dimming level 2.5 Protection
● OverTemperature Protection (OTP)
● Capacitive Mode Protection (CMP)
● OverPower Protection (OPP)
● OverCurrent Protection (OCP) in both boost and burn states
● Power-down function 2.6 Other features
● Current controlled operation in both boost and burn state
● External power-down function 3.
APPLICATIONS
● Step-dimmable compact fluorescent lamps above 20 W and for universal mains voltages 4.
