IR21571S

Ballast Control IC

ParametricIR21571S
Output Current (Source)250.0mA
Package16-lead SOIC Narrow
TopologyHalf-Bridge Resonant
FeaturesFully Integrated
Moisture Sensitivity Level3
Output Current (Sink)400.0mA
Output Voltage  min  max10.0V  25.0V
VCC  min  max10.0V  25.0V
Sales Product NameIR21571S
OPNIR21571STRPBF
Product Statusactive
Package NameSOIC 16N
Completely lead freeyes
Halogen freeno
RoHS compliantyes
Packing Size2500
Packing TypeTAPE & REEL
Moisture Level3
OPNIR21571SPBF
Product Statusdiscontinued
Package NameSOIC 16N
Completely lead freeyes
Halogen freeno
RoHS compliantyes
Packing Size45
Packing TypeTUBE
Moisture Level3
Benefits:
  • Programmable preheat time and frequency
  • Programmable ignition ramp
  • Protection from failure-to-strike
  • Lamp filament sensing and protection
  • Protection from operation below resonance - 0.2V CS threshold synced to falling edge on LO
  • Protection from low-line condition
  • Automatic restart for lamp exchange
  • Thermal overload protection
  • Programmable deadtime
  • Integrated 600V level-shifting gate driver
  • Internal 15.6V zener clamp diode on VCC
  • Micropower startup (150uA)
  • Latch immunity protection on all leads
  • ESd protection on all leads
  • Parts also available LEAD-FREE
Target Applications:
  • Lighting Fluorescent Ballast
Product Selection Guide
TitleSizeDateVersion
NEW! Power Management Selection Guide 2016EN4.7 MB22 Feb 201600_00
EN IDV20E65D1