Datasheet Summary
Data Sheet PD No. 60179-I
IR21571(S)
FULLY INTEGRATED BALLAST CONTROL IC
Features
- Programmable preheat time & frequency
- Programmable ignition ramp
- Protection from failure-to-strike
- Lamp filament sensing & protection
- Protection from operation below resonance
- 0.2V CS threshold sync’d to falling edge on LO
- Protection from low-line condition
- Automatic restart for lamp exchange Description
- 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
Packages
The IR21571 is a fully integrated,...