UBA20272
Overview
The UBA20271/2 are high-voltage power ICs intended to drive and control higher powered self ballasted Compact Fluorescent Lamp (CFL) lighting applications. The UBA20271/2 operate from 120 V and 230 V.
- Features and benefits
- 1 Half-bridge features
- UBA20271: Two internal 350 V, 1.0 max 5.0 A NMOST half-bridge power FETs
- UBA20272: Two internal 600 V, 3.0 , max 2.7 A NMOST half-bridge power FETs
- Integrated high-voltage level-shift function with integrated bootstrap diode
- 2 Preheat and ignition features * * * *
- Coil saturation protection during ignition Adjustable saturation protection level Adjustable preheat time Adjustable preheat current Ignition lamp current detection
- 3 Lamp boost features
- Adjustable boost timing
- Fixed boost current ratio of 1.5
