UBA20262 - NXP

UBA20262 600V and 350V power IC

The UBA20261/2 are high-voltage power integrated circuits designed to drive and control high powered self-ballasted Compact Fluorescent Lamp (CFL) lighting applications operating at mains supply voltages of 120 V or 230 V. The IC includes a half-bridge power circuit consisting of two NMOST power MOSFETs, an advanced feature for step dimming and a lamp curren.

Features

2.1 Half-bridge features
 UBA20261: two internal 350 V, 1 , maximum 5 A NMOST half-bridge power MOSFETs
 UBA20262: two internal 600 V, 3 , maximum 2.7 A NMOST half-bridge power MOSFETs
 Integrated high-voltage level-shifter function with integrated bootstrap diode 2.2 Preheat and ignition features
 Coil saturation protection during ignition
 Adjustable saturation protection level
 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.