IRPLLNR7 Infineon

IRPLLNR7 Universal Input Linear Fluorescent Ballast Using the IRS2166D Features Drives one 35 W TL5 Lamp Input Voltage: 80 VAC to 260 VAC High Power Factor/Low THD High Frequency Operation Lamp Filament Preheating Lamp Fault Protection with Auto-Restart Low AC Line Protection End of Lamp Life Shutdown IRS2166D(S)PbF HVIC Ballast Controller Table of Contents Page 1. Description......................................................................................2 2. Ballast Block Diagram....................................................................2 3. Electrical Characteristics................................................................3 4. Fault Protection Characteristics......................................................3 5. Overview.........................................................................................3 6. Schematic Diagram.........................................................................4 7. PCB Layout and Component Placement Diagram..........................5 8. Bill of Materials..............................................................................6 9. Inductor Specifications (PFC Inductor) .........................................7 10. Inductor Specifications (Resonant Inductor) ...............................8 11. Demo Board Overview.................................................................9 12. Power Factor Correction Section..................................................9 13. Ballast Control Section.................................................................9 14. Startup Mode.................................................................................9 15. Preheat Mode..............................................................................10 16. Ignition Ramp Mode...................................................................12 17. Run Mode....................................................................................13 18. Normal Power Down and Brown-Out Reset..............................14 19. Lamp Removal and Auto-Restart...............................................14 20. Fault Mode..................................................................................14 21. Current Mode Configuration.......................................................17 22. Design Procedure for Different Lamp Types..............................18 1 www.irf.com IRS2166D 1. Description The IRPLLNR7 Demo Board is a high efficiency, high power factor, fixed output electronic ballast designed for driving rapid start fluorescent lamp types. The design contains an EMI filter, active power 1 factor correction and a ballast control circuit using the IRS2166D(S)PbF Ballast Control IC . This demo board is intended to ease the evaluation of the IRS2166D, demonstrate PCB layout techniques and serve as an aid in the development of a production ballast using International Rectifiers IRS2166D. 2. Ballast Block Diagram EMI Filter Rectifier Boost PFC Output Stage Line Input Lamp UVLO PFC Control Half-Bridge Driver Control IC Lamp Fault 1 For convenience, the (S)PbF extension of IRS2166D(S)PbF will be removed in the rest of this document RD-0609 2 www.irf.com