irpldim1u| Application Note
Not recommended for new designs please refer to IRPLDIM3
IRPLDIM1U
International Rectifier 233 Kansas Street, El Segundo, CA 90245 USA
IR21592 Dimming Ballast Control IC Design Kit
Features
! ! ! ! ! ! ! ! Drives: 1 x 32W T8 Lamp Input: 90-140VAC/60Hz High Power Factor/Low THD High Frequency Operation Lamp Filament Preheating Lamp Fault Protection with Auto-Restart Brownout Protection IR21592 HVIC Ballast Controller
Description
The IRPLDIM1U is a high efficiency, high power factor, dimming electronic ballast designed for driving rapid start fluorescent lamp types. The design contains an EMI filter, active power factor correction and a ballast control circuit using the IR21592. This demo board is intended to ease the evaluation of the IR21592 Dimming Ballast Control IC, demonstrate PCB layout techniques and serve as an aid in the development of production ballast's using the IR21592.
IR21592
Dimming Ballast
Block Diagram
Line EMI Filter Rectifier PFC Output Stage Lamp
IR21592 Interface Dim Input
Half-Bridge Driver Dimming Feedback Preheat Feedback Lamp Fault
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