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IR21571PBF Datasheet FULLY INTEGRATED BALLAST CONTROL IC

Manufacturer: International Rectifier (now Infineon)

Download the IR21571PBF datasheet PDF. This datasheet also includes the IR21571S variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (IR21571S-InternationalRectifier.pdf) that lists specifications for multiple related part numbers.

General Description

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

Overview

Data Sheet PD No.

60179 revM Not recommended for new design: please use IRS21571D IR21571(S) & (PbF) FULLY INTEGRATED BALLAST CONTROL.

Key Features

  • 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.
  • Internal 15.6V zener clamp diode on VCC.

More Datasheets from International Rectifier (now Infineon)

Part Number Description
IR21571 FULLY INTEGRATED BALLAST CONTROLLER
IR21571S FULLY INTEGRATED BALLAST CONTROL IC
IR2157 FULLY INTEGRATED BALLAST CONTROL IC
IR2151 SELF-OSCILLATING HALF-BRIDGE DRIVER
IR2152 SELF-OSCILLATING HALF-BRIDGE DRIVER
IR2153 SELF-OSCILLATING HALF-BRIDGE DRIVER
IR21531 SELF-OSCILLATING HALF-BRIDGE DRIVER
IR21531D SELF-OSCILLATING HALF-BRIDGE DRIVER
IR21531DPBF SELF-OSCILLATING HALF-BRIDGE DRIVER
IR21531S SELF-OSCILLATING HALF-BRIDGE DRIVER