Part IR21571PBF
Description FULLY INTEGRATED BALLAST CONTROL IC
Manufacturer International Rectifier
Size 514.67 KB
International Rectifier
IR21571PBF

Overview

The IR21571 is a fully integrated, fully protected 600V ballast control IC designed to drive virtually all types of rapid start fluorescent lamp ballasts. Externally programmable features such as preheat time & frequency, ignition ramp characteristics, and running mode operating frequency provide a high degree of flexibility for the ballast design engineer.

  • Programmable preheat time & frequency
  • Programmable ignition ramp
  • Protection from failure-to-strike
  • Lamp filament sensing & protection
  • Protection from operation below resonance
  • Protection from low-line condition
  • Automatic restart for lamp exchange
  • Thermal overload protection
  • Programmable deadtime
  • Integrated 600V level-shifting gate driver